Publications Forensic Toxicology and Pharmacology of Drugs of Abuse

Publications 2023

Gjerde H, Bogstrand ST, Jamt REG, Vindenes V (2023)
Crash-involved THC-positive drivers in Norway have a high frequency of polysubstance use
Drug Alcohol Depend, 244, 109800
DOI 10.1016/j.drugalcdep.2023.109800, PubMed 36774807

Gjerde H, Oyono Y, Jamt REG, Tayimetha CY, Asongalem EA, Akum EA, Øiestad EL (2023)
Drug analysis: Comparison between dried plasma spots and liquid plasma samples of trauma patients from Cameroon-A feasibility study
Drug Test Anal (in press)
DOI 10.1002/dta.3545, PubMed 37464568

Gjerde H, Strand MC (2023)
Legal limits for driving under the influence of illicit drugs: large variations between jurisdictions
Forensic Sci Int Rep, 8, 100336
DOI 10.1016/j.fsir.2023.100336, PublikaID 443

Holman POS, Høiseth G, Bachs L, Thaulow CH, Vevelstad MS, Mørland J, Strand MC (2023)
A two-sample approach to retrograde extrapolation of blood THC concentrations - Is it feasible?
Forensic Sci Int, 352, 111833
DOI 10.1016/j.forsciint.2023.111833, PubMed 37793282

Kristoffersen L, Vevelstad M, Hansen IA, Strømsvåg B, Strand DH (2023)
Comparative Evaluation of Carboxyhemoglobin Quantification in Postmortem Whole Blood by CO-Oximetry and Headspace Gas Chromatography with Flame Ionization Detection and Atom Absorption Spectrophotometry
J Anal Toxicol, 47 (3), 311-316
DOI 10.1093/jat/bkac099, PubMed 36495201

Schüller M, Lucic I, Leere Øiestad ÅM, Pedersen-Bjergaard S, Øiestad EL (2023)
High-throughput quantification of emerging ''nitazene'' benzimidazole opioid analogs by microextraction and UHPLC-MS/MS
J Anal Toxicol (in press)
DOI 10.1093/jat/bkad071, PubMed 37700512

Skaalvik TG, Zhou C, Øiestad EL, Hegstad S, Trones R, Pedersen-Bjergaard S (2023)
Conductive vial electromembrane extraction of opioids from oral fluid
Anal Bioanal Chem, 415 (22), 5323-5335
DOI 10.1007/s00216-023-04807-3, PubMed 37386201

Skaalvik TG, Øiestad EL, Pedersen-Bjergaard S, Hegstad S (2023)
Determination of amphetamine enantiomers in urine by conductive vial electromembrane extraction and ultra-high performance supercritical fluid chromatography tandem mass spectrometry
Drug Test Anal, 15 (8), 909-918
DOI 10.1002/dta.3487, PubMed 37114617

Solhaug V, Tveito M, Waade RB, Høiseth G, Molden E, Smith RL (2023)
Impact of age, sex and cytochrome P450 genotype on quetiapine and N-desalkylquetiapine serum concentrations: A study based on real-world data from 8118 patients
Br J Clin Pharmacol, 89 (12), 3503-3511
DOI 10.1111/bcp.15849, PubMed 37438870

Strand MC, Bleka Ø, Kristoffersen L, Høiseth G (2023)
Driving under the influence of zopiclone: Elimination between two consecutive blood samples
Forensic Sci Int, 349, 111764
DOI 10.1016/j.forsciint.2023.111764, PubMed 37352736

Strand MC, Gjerde H, Høiseth G (2023)
Nystagmus among suspected amphetamine impaired drivers
J Forensic Leg Med, 95, 102502
DOI 10.1016/j.jflm.2023.102502, PubMed 36924680

Thaulow CH, Helland A, Kongsgaard UE, Høiseth G (2023)
Oxycodone, Morphine, and Fentanyl in Patients With Chronic Pain: Proposal of Dose-Specific Concentration Ranges
Ther Drug Monit (in press)
DOI 10.1097/FTD.0000000000001112, PubMed 37296504

Wilson T, Wisborg T, Vindenes V, Jamt REG, Bogstrand ST (2023)
Psychoactive substances and previous hospital admissions, triage and length of stay in rural injuries: a prospective observational study
Scand J Trauma Resusc Emerg Med, 31 (1), 86
DOI 10.1186/s13049-023-01156-z, PubMed 38012704

Øiestad EL, Øiestad ÅML, Middelkoop G, Brochmann GW, Thaulow CH, Vindenes V (2023)
Comparative Study of Postmortem Concentrations of Benzodiazepines and Z-Hypnotics in Several Different Matrices
J Anal Toxicol, 47 (3), 287-298
DOI 10.1093/jat/bkac106, PubMed 36542823

Publications 2022

Bachs L, Bleka Ø, Aanes H, Rolseth V (2022)
[We take the uncertainty about biological age assessment seriously]
Tidsskr Nor Laegeforen, 142 (13)
DOI 10.4045/tidsskr.22.0554, PubMed 36164786

Chalabianloo F, Høiseth G, Vold JH, Johansson KA, Kringen MK, Dalgard O, Ohldieck C, Druckrey-Fiskaaen KT, Aas C, Løberg EM, Bramness JG, Fadnes LT (2022)
Impact of liver fibrosis and clinical characteristics on dose-adjusted serum methadone concentrations
J Addict Dis, 41 (1), 53-63
DOI 10.1080/10550887.2022.2057140, PubMed 35356868

Edvardsen HME, Clausen T (2022)
Opioid related deaths in Norway in 2000-2019
Drug Alcohol Depend, 232, 109281
DOI 10.1016/j.drugalcdep.2022.109281, PubMed 35042099

Edvardsen HME, Aamodt C, Bogstrand ST, Krajci P, Vindenes V, Rognli EB (2022)
Concentrations of psychoactive substances in blood samples from non-fatal and fatal opioid overdoses
Br J Clin Pharmacol, 88 (10), 4494-4504
DOI 10.1111/bcp.15365, PubMed 35470456

Hagesæther MM, Torp HA, Ingebrigtsen K, Bjorå CS, von Krogh A, Vevelstad MS (2022)
[Plants – the perfect murder weapon?]
Tidsskr Nor Laegeforen, 142 (6)
DOI 10.4045/tidsskr.22.0035, PubMed 35383446

Havig SM, Vindenes V, Øiestad ÅML, Rogde S, Thaulow CH (2022)
Methadone, Buprenorphine, Oxycodone, Fentanyl and Tramadol in Multiple Postmortem Matrices
J Anal Toxicol, 46 (6), 600-610
DOI 10.1093/jat/bkab071, PubMed 34115841

Høiseth G, Fosen JT (2022)
[Ethanol is detected in the corpse, but had the deceased drunk alcohol?]
Tidsskr Nor Laegeforen, 142 (6)
DOI 10.4045/tidsskr.21.0896, PubMed 35383445

Høiseth G, Vindenes V, Hilberg T, Bogstrand ST (2022)
[High level of ferritin and HDL cholesterol is associated with high alcohol consumption]
Tidsskr Nor Laegeforen, 142 (17)
DOI 10.4045/tidsskr.22.0431, PubMed 36416649

Jamt REG, Edvardsen HME, Middelkoop G, Kallevik AS, Bogstrand ST, Vevelstad MS, Vindenes V (2022)
Deaths associated with MDMA in the period 2000-2019
Tidsskr Nor Laegeforen, 142 (8)
DOI 10.4045/tidsskr.21.0547, PubMed 35635429

Musshoff F, Böttcher M, Graw M, Skopp G, Neumann J, Høiseth G, Helander A (2022)
Comment on the upper cutoff level for the alcohol biomarker phosphatidylethanol (PEth) for the assessment of alcohol consumption in forensic practice
Drug Test Anal, 15 (7), 791-792
DOI 10.1002/dta.3432, PubMed 36585567

Nyman AAT, Vindenes V, Strøm RT, Katadzic S, Gustavsen I, Bogstrand ST (2022)
Systematic screening of substance use upon hospitalisation
Tidsskr Nor Laegeforen, 142 (14)
DOI 10.4045/tidsskr.22.0481, PubMed 36226432

Vevelstad MS, Øiestad ÅML, Johansen U, von Krogh A, Torp HA (2022)
[Yew – a toxic shrub veiled in myth with medical potential]
Tidsskr Nor Laegeforen, 142 (6)
DOI 10.4045/tidsskr.22.0033, PubMed 35383451

Årving A, Hilberg T, Sovershaev M, Bogstrand ST, Høiseth G (2022)
Falsely low phosphatidylethanol may be associated with biomarkers of haemolytic disease
Basic Clin Pharmacol Toxicol, 132 (2), 223-230
DOI 10.1111/bcpt.13814, PubMed 36370095

Publications 2021

Andersen JM, Bogen IL, Karinen R, Brochmann GW, Mørland J, Vindenes V, Boix F (2021)
Does the preparation for intravenous administration affect the composition of heroin injections? A controlled laboratory study
Addiction, 116 (11), 3104-3112
DOI 10.1111/add.15492, PubMed 33739552

Bergh MSS, Bogen IL, Nerem E, Wohlfarth A, Wilson SR, Oiestad AML (2021)
Discovering the major metabolites of the three novel fentanyl analogues 3-methylcrotonylfentanyl, furanylbenzylfentanyl, and 4-fluorocyclopropylbenzylfentanyl for forensic case work
Forensic Toxicol., 39 (1), 167-178
DOI 10.1007/s11419-020-00560-9

Chalabianloo F, Fadnes LT, Høiseth G, Ohldieck C, Vold JH, Aas C, Løberg EM, Johansson KA, Bramness JG (2021)
Subjective symptoms and serum methadone concentrations: what should guide dose adjustments in methadone maintenance treatment? A naturalistic cohort study from Norway
Subst Abuse Treat Prev Policy, 16 (1), 39
DOI 10.1186/s13011-021-00367-w, PubMed 33941217

Degerud E, Høiseth G, Mørland J, Ariansen I, Graff-Iversen S, Ystrom E, Zuccolo L, Tell GS, Næss Ø (2021)
Associations of Binge Drinking With the Risks of Ischemic Heart Disease and Stroke: A Study of Pooled Norwegian Health Surveys
Am J Epidemiol, 190 (8), 1592-1603
DOI 10.1093/aje/kwab063, PubMed 33720294

Gjerde H, Bretteville-Jensen AL, Bache-Andreassen L, Hanoa K, Furuhaugen H, Brochmann GW, Vindenes V (2021)
Which illicit drugs are injected in Oslo? A study based on analysis of drug residues in used injection equipment and self-reported information
Scand J Public Health, 51 (1), 21-27
DOI 10.1177/14034948211043984, PubMed 34538164

Gjerde H, Bretteville-Jensen AL, Furuhaugen H (2021)
Poor correlation between alcohol concentration in oral fluid and breath in subjects consuming beverages immediately before testing
Biochem Med (Zagreb), 32 (1), 010902
DOI 10.11613/BM.2022.010902, PubMed 34955675

Hole K, Arnestad M, Molden E, Haslemo T (2021)
Dose-Dependent Inhibition of CYP2D6 by Bupropion in Patients With Depression
J Clin Psychopharmacol, 41 (3), 281-285
DOI 10.1097/JCP.0000000000001387, PubMed 33905640

Høiseth G, Hilberg T, Trydal T, Husa A, Vindenes V, Bogstrand ST (2021)
The alcohol marker phosphatidylethanol is closely related to AST, GGT, ferritin and HDL-C
Basic Clin Pharmacol Toxicol, 130 (1), 182-190
DOI 10.1111/bcpt.13662, PubMed 34591374

Jørgenrud B, Furuhaugen H, Gjerde H (2021)
Prevalence and Correlates of Illicit Drug Use among Norwegian Nightlife Patrons
Subst Use Misuse, 56 (11), 1697-1706
DOI 10.1080/10826084.2021.1949613, PubMed 34251973

Jørgenrud B, Kabashi S, Nadezhdin A, Bryun E, Koshkina E, Tetenova E, Lerdal A, Norby G, Kolgashkin A, Petukhov A, Perekhodov S, Davydova E, Vindenes V, Gamboa D, Bogstrand ST (2021)
The Association between the Alcohol Biomarker Phosphatidylethanol (PEth) and Self-Reported Alcohol Consumption among Russian and Norwegian Medical Patients
Alcohol Alcohol, 56 (6), 726-736
DOI 10.1093/alcalc/agab013, PubMed 33677484

Kabashi S, Gamboa D, Vindenes V, Berg T, Hilberg TA, Jørgenrud B, Lerdal A, Bogstrand ST (2021)
Multimorbidity, psychoactive substance use and psychological distress among acute medically ill patients: a cross-sectional study
BMJ Open, 11 (11), e052428
DOI 10.1136/bmjopen-2021-052428, PubMed 34815283

Langberg C, Hadley CL, Midtervoll M, Edvardsen HME, Molden E, Shafiei M, Jacobsen D (2021)
Quetiapine Poisoning - Epidemiology, Toxicokinetics and Review of the Literature
Lupine Online Journal of Medical Sciences, 5 (5), 565-573
PublikaID 372

Mestad IO, Gjelstad A, Pedersen-Bjergaard S, Oiestad EL (2021)
Green and sustainable drug analysis-Combining microsampling and microextraction of drugs of abuse
SUSTAIN. CHEM. PHARM., 24, 100517
DOI 10.1016/j.scp.2021.100517

Midtlyng L, Høiseth G, Luytkis H, Kristoffersen L, Le Nygaard I, Strand MC, Arnestad M, Vevelstad M (2021)
Relationship between betahydroxybutyrate (BHB) and acetone concentrations in postmortem blood and cause of death
Forensic Sci Int, 321, 110726
DOI 10.1016/j.forsciint.2021.110726, PubMed 33631622

Oiestad EL, Bojko B, Boyaci E (2021)
Novel approaches and green sample preparation in bioanalytical protocols
SUSTAIN. CHEM. PHARM., 24, 100559
DOI 10.1016/j.scp.2021.100559

Oshaug K, Kronstrand R, Kugelberg FC, Kristoffersen L, Mørland J, Høiseth G (2021)
Frequency of postmortem ethanol formation in blood, urine and vitreous humor - Improving diagnostic accuracy with the use of ethylsulphate and putrefactive alcohols
Forensic Sci Int, 331, 111152
DOI 10.1016/j.forsciint.2021.111152, PubMed 34952291

Pettersen S, Øiestad ÅML, Rogde S, Brochmann GW, Øiestad EL, Vindenes V (2021)
Distribution of tetrahydrocannabinol and cannabidiol in several different postmortem matrices
Forensic Sci Int, 329, 111082
DOI 10.1016/j.forsciint.2021.111082, PubMed 34775328

Schüller M, Tran KTT, Øiestad EL, Pedersen-Bjergaard S (2021)
Membrane-based liquid-phase microextraction of basic pharmaceuticals - A study on the optimal extraction window
J Chromatogr A, 1664, 462769
DOI 10.1016/j.chroma.2021.462769, PubMed 34998024

Sidqey D, Liane VH, Kristoffersen L (2021)
Quantitative Determination of Ethyl Glucuronide and Ethyl Sulfate in Postmortem and Antemortem Whole Blood Using Phospholipid Removal 96-Well Plate and UHPLC-MS-MS
J Anal Toxicol, 45 (4), 378-388
DOI 10.1093/jat/bkaa108, PubMed 32816025

Skaalvik TG, Øiestad EL, Trones R, Pedersen-Bjergaard S, Hegstad S (2021)
Determination of psychoactive drugs in serum using conductive vial electromembrane extraction combined with UHPLC-MS/MS
J Chromatogr B Analyt Technol Biomed Life Sci, 1183, 122926
DOI 10.1016/j.jchromb.2021.122926, PubMed 34624684

Tuv SS, Bergh MS, Andersen JM, Steinsland S, Vindenes V, Baumann MH, Huestis MA, Bogen IL (2021)
Comparative Neuropharmacology and Pharmacokinetics of Methamphetamine and Its Thiophene Analog Methiopropamine in Rodents
Int J Mol Sci, 22 (21)
DOI 10.3390/ijms222112002, PubMed 34769427

Tveito M, Høiseth G, Haslemo T, Molden E, Smith RL (2021)
Impact of age and gender on paliperidone exposure in patients after administration of long-acting injectable formulations-an observational study using blood samples from 1223 patients
Eur J Clin Pharmacol, 77 (8), 1201-1208
DOI 10.1007/s00228-021-03114-z, PubMed 33616704

Tverdal A, Høiseth G, Magnus P, Næss Ø, Selmer R, Knudsen GP, Mørland J (2021)
Alcohol Consumption, HDL-Cholesterol and Incidence of Colon and Rectal Cancer: A Prospective Cohort Study Including 250,010 Participants
Alcohol Alcohol, 56 (6), 718-725
DOI 10.1093/alcalc/agab007, PubMed 33604595

Wilson T, Wisborg T, Vindenes V, Jamt RG, Furuhaugen H, Bogstrand ST (2021)
Psychoactive substances have major impact on injuries in rural arctic Norway - A prospective observational study
Acta Anaesthesiol Scand, 65 (6), 824-833
DOI 10.1111/aas.13807, PubMed 33638866

Publications 2020

Andersen JM, Høiseth G, Nygaard E (2020)
Prenatal exposure to methadone or buprenorphine and long-term outcomes: A meta-analysis
Early Hum Dev, 143, 104997
DOI 10.1016/j.earlhumdev.2020.104997, PubMed 32146140

Aslaksen EH, Engeseth K, Jacobsen D, Strand MC (2020)
[Unconscious man in his fifties with elevated anion gap]
Tidsskr Nor Laegeforen, 140 (15)
DOI 10.4045/tidsskr.20.0120, PubMed 33118776

Aslaksen EH, Engeseth K, Jacobsen D, Strand MC (2020)
Unconscious man in his 50s with increased anion gap
Tidsskr. Nor. Laegeforen., 140 (15), 1557-1560

Bakke E, Høiseth G, Furuhaugen H, Berg T, Arnestad M, Gjerde H (2020)
Oral Fluid to Blood Concentration Ratios of Different Psychoactive Drugs in Samples from Suspected Drugged Drivers
Ther Drug Monit, 42 (5), 795-800
DOI 10.1097/FTD.0000000000000760, PubMed 32251151

Bavlovič Piskáčková H, Øiestad EL, Váňová N, Lengvarská J, Štěrbová-Kovaříková P, Pedersen-Bjergaard S (2020)
Electromembrane extraction of anthracyclines from plasma: Comparison with conventional extraction techniques
Talanta, 223 (Pt 2), 121748
DOI 10.1016/j.talanta.2020.121748, PubMed 33298272

Bech AB, Clausen T, Waal H, Vindenes V, Edvardsen HE, Frost J, Skeie I (2020)
Post-mortem toxicological analyses of blood samples from 107 patients receiving opioid agonist treatment: substances detected and pooled opioid and benzodiazepine concentrations
Addiction, 116 (4), 845-855
DOI 10.1111/add.15211, PubMed 32738014

Bergh MS, Øiestad ÅML, Baumann MH, Bogen IL (2020)
Selectivity and sensitivity of urine fentanyl test strips to detect fentanyl analogues in illicit drugs
Int J Drug Policy, 90, 103065
DOI 10.1016/j.drugpo.2020.103065, PubMed 33333419

Degerud E, Høiseth G, Mørland J, Ariansen I, Graff-Iversen S, Ystrom E, Zuccolo L, Næss Ø (2020)
Association of coincident self-reported mental health problems and alcohol intake with all-cause and cardiovascular disease mortality: A Norwegian pooled population analysis
PLoS Med, 17 (2), e1003030
DOI 10.1371/journal.pmed.1003030, PubMed 32012170

Drobnjak M, Hansen F, Øiestad EL, Løvli T, Trones R, Martinsen G, Pedersen-Bjertgaard S (2020)
Electromembrane Extraction with Vitals of Counducting Polymer
LCGCN North America, 38 (8), 435-439
PublikaID 355

Fosen JT, Mørland J, Høiseth G (2020)
The Relationship Between Ingested Dose of Ethanol and Amount of Ethyl Glucuronide Formed in Blood
J Anal Toxicol, 44 (8), 861-863
DOI 10.1093/jat/bkaa090, PubMed 32743665

Gamboa D, Jørgenrud B, Bryun EA, Vindenes V, Koshkina EA, Nadezhdin AV, Kabashi S, Tetenova EJ, Berg T, Nyman AAT, Kolgashkin AJ, Petukhov AE, Perekhodov SN, Davydova EN, Lerdal A, Nordby G, Bogstrand ST (2020)
Prevalence of psychoactive substance use among acutely hospitalised patients in Oslo and Moscow: a cross-sectional, observational study
BMJ Open, 10 (9), e032572
DOI 10.1136/bmjopen-2019-032572, PubMed 32948540

Gjerde H, Bretteville-Jensen AL, Furuhaugen H, Bache-Andreassen L, Bergh MS, Vindenes V (2020)
Determination of drug residues in used syringe needles
Drug Test Anal, 12 (3), 410-416
DOI 10.1002/dta.2759, PubMed 31899604

Hansen F, Jaghl F, Leere Øiestad E, Jensen H, Pedersen-Bjergaard S, Huang C (2020)
Impact of ion balance in electromembrane extraction
Anal Chim Acta, 1124, 129-136
DOI 10.1016/j.aca.2020.05.039, PubMed 32534665

Hansen F, Øiestad EL, Pedersen-Bjergaard S (2020)
Bioanalysis of pharmaceuticals using liquid-phase microextraction combined with liquid chromatography-mass spectrometry
J Pharm Biomed Anal, 189, 113446
DOI 10.1016/j.jpba.2020.113446, PubMed 32619730

Hansen FA, Kubáň P, Øiestad EL, Pedersen-Bjergaard S (2020)
Electromembrane extraction of highly polar bases from biological samples - Deeper insight into bis(2-ethylhexyl) phosphate as ionic carrier
Anal Chim Acta, 1115, 23-32
DOI 10.1016/j.aca.2020.04.027, PubMed 32370866

Hansen FA, Santigosa-Murillo E, Ramos-Payán M, Muñoz M, Leere Øiestad E, Pedersen-Bjergaard S (2020)
Electromembrane extraction using deep eutectic solvents as the liquid membrane
Anal Chim Acta, 1143, 109-116
DOI 10.1016/j.aca.2020.11.044, PubMed 33384108

Heide G, Høiseth G, Middelkoop G, Øiestad ÅML (2020)
Blood Concentrations of Designer Benzodiazepines: Relation to Impairment and Findings in Forensic Cases
J Anal Toxicol, 44 (8), 905-914
DOI 10.1093/jat/bkaa043, PubMed 32369173

Hoiseth G, Strand DH, Bachs L (2020)
Drug use may cause unexpected findings during urinary drug analysis
Tidsskr. Nor. Laegeforen., 140 (13), 1375

Høiseth G, Hjelmeland K, Mørland J (2020)
A comparison of driving related skills impaired by ethanol and zopiclone
Traffic Inj Prev, 22 (1), 26-31
DOI 10.1080/15389588.2020.1849643, PubMed 33320019

Höiseth G, Nilsson GH, Lundberg R, Forsman M, Kronstrand C, Nyström I, Oscarsson C, Ericsson E, Cherma MD, Ahlner J, Kugelberg FC, Kronstrand R (2020)
Evaluating the hip-flask defence using analytical data from ethanol and ethyl glucuronide. A comparison of two models
Forensic Sci Int, 316, 110409
DOI 10.1016/j.forsciint.2020.110409, PubMed 32871451

Høiseth G, Strand DH, Bachs L (2020)
[Use of medicinal drugs may yield unexpected findings for analysis of drugs of abuse in urine]
Tidsskr Nor Laegeforen, 140 (13)
DOI 10.4045/tidsskr.20.0237, PubMed 32998501

Jamt REG, Gjerde H, Furuhaugen H, Romeo G, Vindenes V, Ramaekers JG, Bogstrand ST (2020)
Associations between psychoactive substance use and sensation seeking behavior among drivers in Norway
BMC Public Health, 20 (1), 23
DOI 10.1186/s12889-019-8087-0, PubMed 31914964

Jørgenrud B, Skadberg E, de Carvalho Ponce J, Furuhaugen H, Berg T (2020)
Determination of the alcohol biomarker phosphatidylethanol 16:0/18:1 and 33 compounds from eight different drug classes in whole blood by LC-MS/MS
J Pharmacol Toxicol Methods, 107, 106939
DOI 10.1016/j.vascn.2020.106939, PubMed 33257303

Kabashi S, Vindenes V, Bryun EA, Koshkina EA, Nadezhdin AV, Tetenova EJ, Kolgashkin AJ, Petukhov AE, Perekhodov SN, Davydova EN, Gamboa D, Hilberg T, Lerdal A, Nordby G, Zhang C, Bogstrand ST (2020)
Corrigendum to "Harmful alcohol use among acutely ill hospitalized medical patients in Oslo and Moscow: A cross-sectional study" [Drug Alcohol Depend. 204 (2019) 107588]
Drug Alcohol Depend, 213, 108073
DOI 10.1016/j.drugalcdep.2020.108073, PubMed 32570137

Seljetun KO, Sandvik M, Vindenes V, Eliassen E, Øiestad EL, Madslien K, Moe L (2020)
Comparison of anticoagulant rodenticide concentrations in liver and feces from apparently healthy red foxes
J Vet Diagn Invest, 32 (4), 560-564
DOI 10.1177/1040638720927365, PubMed 32476615

Seljetun KO, Vindenes V, Øiestad EL, Brochmann GW, Eliassen E, Moe L (2020)
Determination of anticoagulant rodenticides in faeces of exposed dogs and in a healthy dog population
Acta Vet Scand, 62 (1), 30
DOI 10.1186/s13028-020-00531-5, PubMed 32546243

Simonsen KW, Kriikku P, Thelander G, Edvardsen HME, Thordardottir S, Andersen CU, Jönsson AK, Frost J, Christoffersen DJ, Delaveris GJM, Ojanperä I (2020)
Fatal poisoning in drug addicts in the Nordic countries in 2017
Forensic Sci Int, 313, 110343
DOI 10.1016/j.forsciint.2020.110343, PubMed 32563797

Tveito M, Smith RL, Molden E, Høiseth G (2020)
Impact of age and CYP2D6 genotype on exposure of zuclopenthixol in patients using long-acting injectable versus oral formulation-an observational study including 2044 patients
Eur J Clin Pharmacol, 77 (2), 215-221
DOI 10.1007/s00228-020-03002-y, PubMed 33000414

Waade RB, Solhaug V, Høiseth G (2020)
Impact of CYP2D6 on serum concentrations of flupentixol, haloperidol, perphenazine and zuclopenthixol
Br J Clin Pharmacol, 87 (5), 2228-2235
DOI 10.1111/bcp.14626, PubMed 33118660

Årnes M, Bachs L, Sammarai MA, Jones AW, Høiseth G (2020)
Rate of elimination of γ-hydroxybutyrate from blood determined by analysis of two consecutive samples from apprehended drivers in Norway
Forensic Sci Int, 314, 110374
DOI 10.1016/j.forsciint.2020.110374, PubMed 32604006

Årving A, Høiseth G, Hilberg T, Trydal T, Husa A, Djordjevic A, Kabashi S, Vindenes V, Bogstrand ST (2020)
Comparison of the Diagnostic Value of Phosphatidylethanol and Carbohydrate-Deficient Transferrin as Biomarkers of Alcohol Consumption
Alcohol Clin Exp Res, 45 (1), 153-162
DOI 10.1111/acer.14503, PubMed 33164220

Publications 2019

Ask KS, Lid M, Øiestad EL, Pedersen-Bjergaard S, Gjelstad A (2019)
Liquid-phase microextraction in 96-well plates - calibration and accurate quantification of pharmaceuticals in human plasma samples
J Chromatogr A, 1602, 117-123
DOI 10.1016/j.chroma.2019.06.013, PubMed 31229251

Bakke E, Høiseth G, Arnestad M, Gjerde H (2019)
Detection of Drugs in Simultaneously Collected Samples of Oral Fluid and Blood
J Anal Toxicol, 43 (3), 228-232
DOI 10.1093/jat/bky079, PubMed 30295809

Bergh MS, Bogen IL, Wohlfarth A, Wilson SR, Øiestad ÅML (2019)
Distinguishing Between Cyclopropylfentanyl and Crotonylfentanyl by Methods Commonly Available in the Forensic Laboratory
Ther Drug Monit, 41 (4), 519-527
DOI 10.1097/FTD.0000000000000617, PubMed 30807539

Bramness JG, Vindenes V (2019)
[Medical cannabis]
Tidsskr Nor Laegeforen, 139 (15)
DOI 10.4045/tidsskr.19.0595, PubMed 31642634

Bramness JG, Vindenes V (2019)
Medical cannabis
Tidsskr. Nor. Laegeforen., 139 (15), 1437

Bretteville-Jensen AL, Burdzovic Andreas J, Gjersing L, Øiestad EL, Gjerde H (2019)
Identification and Assessment of Drug-User Groups Among Nightlife Attendees: Self-Reports, Breathalyzer-Tests and Oral Fluid Drug Tests
Eur Addict Res, 25 (2), 93-102
DOI 10.1159/000497318, PubMed 30783038

Bruun LD, Kjeldstadli K, Temte V, Birdal M, Bachs L, Langødegård M, Strand DH, Gaare KI, Øiestad E, Høiseth G (2019)
Detection Time of Oxazepam and Zopiclone in Urine and Oral Fluid after Experimental Oral Dosing
J Anal Toxicol, 43 (5), 369-377
DOI 10.1093/jat/bky083, PubMed 30615130

Dietrichs ES, Arnestad M, Mellem JT, Brennhovd P (2019)
[Fatal boating accidents can be prevented]
Tidsskr Nor Laegeforen, 139 (11)
DOI 10.4045/tidsskr.19.0366, PubMed 31429252

Dietrichs ES, Arnestad M, Mellem JT, Brennhovd P (2019)
Deadly recreational city accidents can be prevented
Tidsskr. Nor. Laegeforen., 139 (11), 1024-1025

Frost J, Bernard JP, Dietrichs ES, Kjeldstadli K, Riedel B, Skrastad RB, Vevelstad M, Helland A (2019)
New recommendations for serum concentration measurements of central stimulant drugs
Tidsskr. Nor. Laegeforen., 139 (13), 1230-1231

Frost J, Bernard JP, Dietrichs ES, Kjeldstadli K, Riedel B, Skråstad RB, Vevelstad M, Helland A (2019)
[Not Available]
Tidsskr Nor Laegeforen, 139 (13)
DOI 10.4045/tidsskr.19.0385, PubMed 31556515

Gjerde H, Gjersing L, Baz-Lomba JA, Bijlsma L, Salgueiro-González N, Furuhaugen H, Bretteville-Jensen AL, Hernández F, Castiglioni S, Johanna Amundsen E, Zuccato E (2019)
Drug Use by Music Festival Attendees: A Novel Triangulation Approach Using Self-Reported Data and Test Results of Oral Fluid and Pooled Urine Samples
Subst Use Misuse, 54 (14), 2317-2327
DOI 10.1080/10826084.2019.1646285, PubMed 31398072

Gjerde H, Gjersing L, Furuhaugen H, Bretteville-Jensen AL (2019)
Correspondence between Oral Fluid Drug Test Results and Self-Reported Illicit Drug Use among Music Festival Attendees
Subst Use Misuse, 54 (8), 1337-1344
DOI 10.1080/10826084.2019.1580295, PubMed 30860932

Gjersing L, Bretteville-Jensen AL, Furuhaugen H, Gjerde H (2019)
Illegal substance use among 1,309 music festival attendees: An investigation using oral fluid sample drug tests, breathalysers and questionnaires
Scand J Public Health, 47 (4), 400-407
DOI 10.1177/1403494818821481, PubMed 30632949

Kabashi S, Vindenes V, Bryun EA, Koshkina EA, Nadezhdin AV, Tetenova EJ, Kolgashkin AJ, Petukhov AE, Perekhodov SN, Davydova EN, Gamboa D, Hilberg T, Lerdal A, Nordby G, Zhang C, Bogstrand ST (2019)
Harmful alcohol use among acutely ill hospitalized medical patients in Oslo and Moscow: A cross-sectional study
Drug Alcohol Depend, 204, 107588
DOI 10.1016/j.drugalcdep.2019.107588, PubMed 31590131

Kongsgaard UE, Høiseth G (2019)
Dynamic assessment of the pupillary reflex in patients on high-dose opioids
Scand J Pain, 19 (3), 465-471
DOI 10.1515/sjpain-2019-0032, PubMed 31031265

Lund I, Moan IS, Edvardsen HME (2019)
The relative impact of smoking, alcohol use and drug use on general sickness absence among Norwegian employees
BMC Public Health, 19 (1), 500
DOI 10.1186/s12889-019-6891-1, PubMed 31053139

Oiestad EL, Krabseth HM, Huestis MA, Skulberg A, Vindenes V (2019)
Interpreting oral fluid drug results in prisoners: monitoring current drug intake and detection times for drugs self-administered prior to detention
Forensic Toxicol., 37 (1), 59-74
DOI 10.1007/s11419-018-0434-9

Seljetun KO, Eliassen E, Madslien K, Viljugrein H, Vindenes V, Øiestad EL, Moe L (2019)
PREVALENCE OF ANTICOAGULANT RODENTICIDES IN FECES OF WILD RED FOXES (VULPES VULPES) IN NORWAY
J Wildl Dis, 55 (4), 834-843
DOI 10.7589/2019-01-027, PubMed 31112468

Strand MC, Ramaekers JG, Gjerde H, Mørland J, Vindenes V (2019)
Pharmacokinetics of Single Doses of Methadone and Buprenorphine in Blood and Oral Fluid in Healthy Volunteers and Correlation With Effects on Psychomotor and Cognitive Functions
J Clin Psychopharmacol, 39 (5), 489-493
DOI 10.1097/JCP.0000000000001077, PubMed 31305338

Temte V, Kjeldstadli K, Bruun LD, Birdal M, Bachs L, Karinen R, Middelkoop G, Øiestad E, Høiseth G (2019)
An Experimental Study of Diazepam and Alprazolam Kinetics in Urine and Oral Fluid Following Single Oral Doses
J Anal Toxicol, 43 (2), 104-111
DOI 10.1093/jat/bky062, PubMed 30517712

Tveito M, Handal M, Engedal K, Smith RL, Hoiseth G, Skurtveit S (2019)
Prescribing antipsychotics to the elderly living at home 2006-2018
Tidsskr. Nor. Laegeforen., 139 (16), 1554-1558

Tveito M, Handal M, Engedal K, Smith RL, Høiseth G, Skurtveit S (2019)
[Prescribing of antipsychotic drugs to older patients living at home 2006–18]
Tidsskr Nor Laegeforen, 139 (16)
DOI 10.4045/tidsskr.19.0233, PubMed 31686488

Tveito M, Molden E, Høiseth G, Correll CU, Smith RL (2019)
Impact of age and CYP2D6 genetics on exposure of aripiprazole and dehydroaripiprazole in patients using long-acting injectable versus oral formulation: relevance of poor and intermediate metabolizer status
Eur J Clin Pharmacol, 76 (1), 41-49
DOI 10.1007/s00228-019-02768-0, PubMed 31637453

Tveito M, Smith RL, Høiseth G, Molden E (2019)
The Effect of Valproic Acid on Olanzapine Serum Concentration: A Study Including 2791 Patients Treated With Olanzapine Tablets or Long-Acting Injections
J Clin Psychopharmacol, 39 (6), 561-566
DOI 10.1097/JCP.0000000000001126, PubMed 31688390

Valen A, Bogstrand ST, Vindenes V, Frost J, Larsson M, Holtan A, Gjerde H (2019)
Fatally injured drivers in Norway 2005-2015-Trends in substance use and crash characteristics
Traffic Inj Prev, 20 (5), 460-466
DOI 10.1080/15389588.2019.1616700, PubMed 31169405

Valen A, Bogstrand ST, Vindenes V, Frost J, Larsson M, Holtan A, Gjerde H (2019)
Driver-related risk factors of fatal road traffic crashes associated with alcohol or drug impairment
Accid Anal Prev, 131, 191-199
DOI 10.1016/j.aap.2019.06.014, PubMed 31306833

Vårdal L, Øiestad EL, Gjelstad A, Jensen H, Pedersen-Bjergaard S (2019)
Electromembrane extraction with solvent modification of the acceptor solution: improved mass transfer of drugs of abuse from human plasma
Bioanalysis, 11 (8), 755-771
DOI 10.4155/bio-2018-0308, PubMed 30994001

Publications 2018

Ask KS, Øiestad EL, Pedersen-Bjergaard S, Gjelstad A (2018)
Dried blood spots and parallel artificial liquid membrane extraction-A simple combination of microsampling and microextraction
Anal Chim Acta, 1009, 56-64
DOI 10.1016/j.aca.2018.01.024, PubMed 29422132

Avvisati R, Bogen IL, Andersen JM, Vindenes V, Mørland J, Badiani A, Boix F (2018)
The active heroin metabolite 6-acetylmorphine has robust reinforcing effects as assessed by self-administration in the rat
Neuropharmacology, 150, 192-199
DOI 10.1016/j.neuropharm.2018.12.023, PubMed 30578794

Bergh MS, Bogen IL, Wilson SR, Øiestad ÅML (2018)
Addressing the Fentanyl Analogue Epidemic by Multiplex UHPLC-MS/MS Analysis of Whole Blood
Ther Drug Monit, 40 (6), 738-748
DOI 10.1097/FTD.0000000000000564, PubMed 30157097

Bleka Ø, Rolseth V, Dahlberg PS, Saadé A, Saadé M, Bachs L (2018)
BioAlder: a tool for assessing chronological age based on two radiological methods
Int J Legal Med, 133 (4), 1177-1189
DOI 10.1007/s00414-018-1959-5, PubMed 30386872

Degerud E, Ariansen I, Ystrom E, Graff-Iversen S, Høiseth G, Mørland J, Davey Smith G, Næss Ø (2018)
Life course socioeconomic position, alcohol drinking patterns in midlife, and cardiovascular mortality: Analysis of Norwegian population-based health surveys
PLoS Med, 15 (1), e1002476
DOI 10.1371/journal.pmed.1002476, PubMed 29293492

Fosen JT, Høiseth G, Sempio C, Giarratana N, Enger A, Mørland J, Morini L (2018)
Hair EtG: Alterations in segment levels accompanying hair growth
Drug Test Anal, 11 (1), 112-118
DOI 10.1002/dta.2474, PubMed 30084156

Furuhaugen H, Jamt REG, Nilsson G, Vindenes V, Gjerde H (2018)
Roadside survey of alcohol and drug use among Norwegian drivers in 2016-2017: A follow-up of the 2008-2009 survey
Traffic Inj Prev, 19 (6), 555-562
DOI 10.1080/15389588.2018.1478087, PubMed 29927625

Gjerde H, Clausen GB, Andreassen E, Furuhaugen H (2018)
Evaluation of Dräger DrugTest 5000 in a Naturalistic Setting
J Anal Toxicol, 42 (4), 248-254
DOI 10.1093/jat/bky003, PubMed 29409046

Havig SM, Lea D, Krpo M, Skari RM, Gustavsen I, Høiseth G (2018)
Fatal Adverse Event with Dabigatran in Elderly Patient with Reduced Kidney Function
Basic Clin Pharmacol Toxicol, 123 (2), 221-226
DOI 10.1111/bcpt.12985, PubMed 29438599

Høiseth G, Arnestad M, Karinen R, Morini L, Rogde S, Sempio C, Vindenes V, Øiestad ÅML (2018)
Is Hair Analysis Useful in Postmortem Cases?
J Anal Toxicol, 42 (1), 49-54
DOI 10.1093/jat/bkx077, PubMed 28977558

Jørgenrud B, Bogstrand ST, Furuhaugen H, Jamt REG, Vindenes V, Gjerde H (2018)
Association between speeding and use of alcohol and medicinal and illegal drugs and involvement in road traffic crashes among motor vehicle drivers
Traffic Inj Prev, 19 (8), 779-785
DOI 10.1080/15389588.2018.1518577, PubMed 30681887

Karinen R, Konstantinova-Larsen S, Normann PT, Morland J, Christophersen AS, Arnestad M (2018)
Heroin deaths in Norway in 2000 and 2009: A comparative study of polydrug use
Heroin Addict. Relat. Clin. Probl., 20 (2), 23-29

Kristoffersen L, Langødegård M, Gaare KI, Amundsen I, Terland MN, Strand DH (2018)
Determination of 12 commonly found compounds in DUID cases in whole blood using fully automated supported liquid extraction and UHPLC-MS/MS
J Chromatogr B Analyt Technol Biomed Life Sci, 1093-1094, 8-23
DOI 10.1016/j.jchromb.2018.06.050, PubMed 29980102

Krpo M, Arnestad M, Karinen R (2018)
Determination of Acetaminophen, Dexchlorpheniramine, Caffeine, Cotinine and Salicylic acid in 100 μL of Whole Blood by UHPLC-MS/MS
J Anal Toxicol, 42 (2), 126-132
DOI 10.1093/jat/bkx089, PubMed 29186470

Krpo M, Luytkis HC, Haneborg AM, Høiseth G (2018)
A fatal blood concentration of 5-APB
Forensic Sci Int, 291, e1-e3
DOI 10.1016/j.forsciint.2018.08.044, PubMed 30228015

Kvello AMS, Andersen JM, Øiestad EL, Steinsland S, Aase A, Mørland J, Bogen IL (2018)
A Monoclonal Antibody against 6-Acetylmorphine Protects Female Mice Offspring from Adverse Behavioral Effects Induced by Prenatal Heroin Exposure
J Pharmacol Exp Ther, 368 (1), 106-115
DOI 10.1124/jpet.118.251504, PubMed 30361238

Løseth GE, Eikemo M, Isager P, Holmgren J, Laeng B, Vindenes V, Hjørnevik T, Leknes S (2018)
Morphine reduced perceived anger from neutral and implicit emotional expressions
Psychoneuroendocrinology, 91, 123-131
DOI 10.1016/j.psyneuen.2018.02.035, PubMed 29550675

Mardal M, Johansen SS, Davidsen AB, Telving R, Jornil JR, Dalsgaard PW, Hasselstrøm JB, Øiestad ÅM, Linnet K, Andreasen MF (2018)
Postmortem analysis of three methoxyacetylfentanyl-related deaths in Denmark and in vitro metabolite profiling in pooled human hepatocytes
Forensic Sci Int, 290, 310-317
DOI 10.1016/j.forsciint.2018.07.020, PubMed 30107329

Oiestad AML, Berg T, Eliassen E, Wiklund T, Sand K, Oiestad EL (2018)
Separation of isomers of new psychoactive substances and isotope-labeled amphetamines using UHPSFC-MS/MS and UHPLC-MS/MS
J. Liq. Chromatogr. Relat. Technol., 41 (7), 391-400
DOI 10.1080/10826076.2017.1388818

Seljetun KO, Eliassen E, Karinen R, Moe L, Vindenes V (2018)
Quantitative method for analysis of six anticoagulant rodenticides in faeces, applied in a case with repeated samples from a dog
Acta Vet Scand, 60 (1), 3
DOI 10.1186/s13028-018-0357-9, PubMed 29343296

Strand MC, Vindenes V, Gjerde H, Mørland JG, Ramaekers JG (2018)
A clinical trial on the acute effects of methadone and buprenorphine on actual driving and cognitive function of healthy volunteers
Br J Clin Pharmacol, 85 (2), 442-453
DOI 10.1111/bcp.13818, PubMed 30515857

Takitane J, Leyton V, Andreuccetti G, Gjerde H, Vindenes V, Berg T (2018)
Determination of cocaine, metabolites and a crack cocaine biomarker in whole blood by liquid-liquid extraction and UHPLC-MS/MS
Forensic Sci Int, 289, 165-174
DOI 10.1016/j.forsciint.2018.05.030, PubMed 29885489

Thaulow CH, Øiestad ÅML, Rogde S, Andersen JM, Høiseth G, Handal M, Mørland J, Vindenes V (2018)
Can measurements of heroin metabolites in post-mortem matrices other than peripheral blood indicate if death was rapid or delayed?
Forensic Sci Int, 290, 121-128
DOI 10.1016/j.forsciint.2018.06.041, PubMed 30015276

Thaulow CH, Øiestad ÅML, Rogde S, Karinen R, Brochmann GW, Andersen JM, Høiseth G, Handal M, Mørland J, Arnestad M, Øiestad EL, Strand DH, Vindenes V (2018)
Metabolites of Heroin in Several Different Post-mortem Matrices
J Anal Toxicol, 42 (5), 311-320
DOI 10.1093/jat/bky002, PubMed 29409037

Tveito M, Smith RL, Molden E, Haslemo T, Refsum H, Hartberg C, Correll CU, Høiseth G (2018)
Age Impacts Olanzapine Exposure Differently During Use of Oral Versus Long-Acting Injectable Formulations: An Observational Study Including 8,288 Patients
J Clin Psychopharmacol, 38 (6), 570-576
DOI 10.1097/JCP.0000000000000961, PubMed 30300295

Vårdal L, Wong G, Øiestad ÅML, Pedersen-Bjergaard S, Gjelstad A, Øiestad EL (2018)
Rapid determination of designer benzodiazepines, benzodiazepines, and Z-hypnotics in whole blood using parallel artificial liquid membrane extraction and UHPLC-MS/MS
Anal Bioanal Chem, 410 (20), 4967-4978
DOI 10.1007/s00216-018-1147-y, PubMed 29947895

Vårdal L, Øiestad EL, Gjelstad A, Pedersen-Bjergaard S (2018)
Electromembrane extraction of substances with weakly basic properties: a fundamental study with benzodiazepines
Bioanalysis, 10 (10), 769-781
DOI 10.4155/bio-2018-0030, PubMed 29771135

Øiestad ÅML, Karinen R, Rogde S, Nilsen S, Boye Eldor KB, Brochmann GW, Arnestad M, Øiestad EL, Peres MD, Kristoffersen L, Vindenes V (2018)
Comparative Study of Postmortem Concentrations of Antidepressants in Several Different Matrices
J Anal Toxicol, 42 (7), 446-458
DOI 10.1093/jat/bky030, PubMed 29762694

Publications 2017

Bergh MS, Bogen IL, Andersen JM, Øiestad ÅML, Berg T (2017)
Determination of adrenaline, noradrenaline and corticosterone in rodent blood by ion pair reversed phase UHPLC-MS/MS
J Chromatogr B Analyt Technol Biomed Life Sci, 1072, 161-172
DOI 10.1016/j.jchromb.2017.11.016, PubMed 29175696

Edvardsen HE, Tverborgvik T, Frost J, Rogde S, Morild I, Waal H, Clausen T, Slørdal L, Vindenes V (2017)
Differences in combinations and concentrations of drugs of abuse in fatal intoxication and driving under the influence cases
Forensic Sci Int, 281, 127-133
DOI 10.1016/j.forsciint.2017.10.045, PubMed 29128652

Edvardsen HE, Tverborgvik T, Frost J, Rogde S, Morild I, Waal H, Clausen T, Slørdal L, Vindenes V (2017)
Corrigendum to "Differences in combinations and concentrations of drugs of abuse in fatal intoxication and driving under the influence cases" [Forensic Sci. Int. 281 (2017) 127-133]
Forensic Sci Int, 283, 219
DOI 10.1016/j.forsciint.2017.12.040, PubMed 29324351

Fosen JT, Morini L, Sempio C, Giarratana N, Enger A, Mørland J, Høiseth G (2017)
Ethyl Glucuronide Elimination Kinetics in Fingernails and Comparison to Levels in Hair
Alcohol Alcohol, 52 (5), 580-586
DOI 10.1093/alcalc/agx035, PubMed 28591773

Havig SM, Høiseth G, Strand MC, Karinen RA, Brochmann GW, Strand DH, Bachs L, Vindenes V (2017)
THC and CBD in blood samples and seizures in Norway: Does CBD affect THC-induced impairment in apprehended subjects?
Forensic Sci Int, 276, 12-17
DOI 10.1016/j.forsciint.2017.04.006, PubMed 28463706

Hegstad S, Kristoffersen L, Liane VH, Spigset O (2017)
EtG and EtS in Autopsy Blood Samples With and Without Putrefaction Using UPLC-MS-MS
J Anal Toxicol, 41 (2), 107-113
DOI 10.1093/jat/bkw123, PubMed 27798076

Heide G, Hjelmeland K, Brochmann GW, Karinen R, Høiseth G (2017)
The Appearance, Taste, and Concentrations of Zolpidem Dissolved in Still Water and Carbonated Beverages
J Forensic Sci, 63 (3), 911-914
DOI 10.1111/1556-4029.13604, PubMed 28810070

Hjelmeland K, Gustavsen I, Øiestad EL, Øiestad ÅML, Høiseth G, Mørland J (2017)
Zopiclone concentrations in oral fluid and blood after, administration of therapeutic doses of zopiclone
Forensic Sci Int, 278, 177-183
DOI 10.1016/j.forsciint.2017.07.004, PubMed 28735217

Høiseth G, Gottås A, Berg T, Arnestad M, Halvorsen PS, Bachs LC (2017)
Urinary Kinetics of Heroin Metabolites in Pigs Shortly After Intake
J Anal Toxicol, 41 (5), 451-454
DOI 10.1093/jat/bkx017, PubMed 28335030

Karinen R, Høiseth G (2017)
A literature review of blood concentrations of new psychoactive substances classified as phenethylamines, aminoindanes, arylalkylamines, arylcyclohexylamines, and indolalkylamines
Forensic Sci Int, 276, 120-125
DOI 10.1016/j.forsciint.2017.02.024, PubMed 28527345

Kringen MK, Chalabianloo F, Bernard JP, Bramness JG, Molden E, Høiseth G (2017)
Combined Effect of CYP2B6 Genotype and Other Candidate Genes on a Steady-State Serum Concentration of Methadone in Opioid Maintenance Treatment
Ther Drug Monit, 39 (5), 550-555
DOI 10.1097/FTD.0000000000000437, PubMed 28723731

Strand MC, Arnestad M, Fjeld B, Mørland J (2017)
Acute impairing effects of morphine related to driving: A systematic review of experimental studies to define blood morphine concentrations related to impairment in opioid-naïve subjects
Traffic Inj Prev, 18 (8), 788-794
DOI 10.1080/15389588.2017.1326595, PubMed 28481682

Strand MC, Mørland J, Slørdal L, Riedel B, Innerdal C, Aamo T, Mathisrud G, Vindenes V (2017)
Conversion factors for assessment of driving impairment after exposure to multiple benzodiazepines/z-hypnotics or opioids
Forensic Sci Int, 281, 29-36
DOI 10.1016/j.forsciint.2017.10.022, PubMed 29101905

Sundal MK, Lilleng PK, Barane H, Morild I, Vevelstad M (2017)
Asphyxiation death caused by oxygen-depleting cargo on a ship
Forensic Sci Int, 279, e7-e9
DOI 10.1016/j.forsciint.2017.08.024, PubMed 28890242

Valen A, Bogstrand ST, Vindenes V, Gjerde H (2017)
Increasing use of cannabis among arrested drivers in Norway
Traffic Inj Prev, 18 (8), 801-806
DOI 10.1080/15389588.2017.1321114, PubMed 28448164

Valen A, Bogstrand ST, Vindenes V, Gjerde H (2017)
Toxicological findings in suspected drug-impaired drivers in Norway - Trends during 1990-2015
Forensic Sci Int, 280, 15-24
DOI 10.1016/j.forsciint.2017.09.010, PubMed 28942374

Vallersnes OM, Persett PS, Øiestad EL, Karinen R, Heyerdahl F, Hovda KE (2017)
Underestimated impact of novel psychoactive substances: laboratory confirmation of recreational drug toxicity in Oslo, Norway
Clin Toxicol (Phila), 55 (7), 636-644
DOI 10.1080/15563650.2017.1312002, PubMed 28406320

Vevelstad M, Drange E (2017)
[A bad boy among opioids]
Tidsskr Nor Laegeforen, 137 (20)
DOI 10.4045/tidsskr.17.0419, PubMed 29094571

Vevelstad M, Drange E (2017)
A disorder among opioids
Tidsskr. Nor. Laegeforen., 137 (20), 1614

Vevelstad M, Øiestad EL, Nerem E, Arnestad M, Bogen IL (2017)
Studies on Para-Methoxymethamphetamine (PMMA) Metabolite Pattern and Influence of CYP2D6 Genetics in Human Liver Microsomes and Authentic Samples from Fatal PMMA Intoxications
Drug Metab Dispos, 45 (12), 1326-1335
DOI 10.1124/dmd.117.077263, PubMed 28978661

Vårdal L, Askildsen HM, Gjelstad A, Øiestad EL, Edvardsen HM, Pedersen-Bjergaard S (2017)
Parallel artificial liquid membrane extraction of new psychoactive substances in plasma and whole blood
J Chromatogr B Analyt Technol Biomed Life Sci, 1048, 77-84
DOI 10.1016/j.jchromb.2017.02.010, PubMed 28226266

Vårdal L, Gjelstad A, Huang C, Øiestad EL, Pedersen-Bjergaard S (2017)
Efficient discrimination and removal of phospholipids during electromembrane extraction from human plasma samples
Bioanalysis, 9 (8), 631-641
DOI 10.4155/bio-2017-0027, PubMed 28508669

Publications 2016

Andås HT, Enger A, Øiestad ÅM, Vindenes V, Christophersen AS, Huestis MA, Øiestad EL (2016)
Extended Detection of Amphetamine and Methamphetamine in Oral Fluid
Ther Drug Monit, 38 (1), 114-9
DOI 10.1097/FTD.0000000000000248, PubMed 26402425

Ask KS, Bardakci T, Parmer MP, Halvorsen TG, Øiestad EL, Pedersen-Bjergaard S, Gjelstad A (2016)
Parallel artificial liquid membrane extraction as an efficient tool for removal of phospholipids from human plasma
J Pharm Biomed Anal, 129, 229-236
DOI 10.1016/j.jpba.2016.07.011, PubMed 27433988

Bakke E, Bogstrand ST, Normann PT, Ekeberg Ø, Bachs L (2016)
Influence of alcohol and other substances of abuse at the time of injury among patients in a Norwegian emergency department
BMC Emerg Med, 16 (1), 20
DOI 10.1186/s12873-016-0085-2, PubMed 27277762

Bergh MS, Bogen IL, Lundanes E, Øiestad ÅML (2016)
Validated methods for determination of neurotransmitters and metabolites in rodent brain tissue and extracellular fluid by reversed phase UHPLC-MS/MS
J Chromatogr B Analyt Technol Biomed Life Sci, 1028, 120-129
DOI 10.1016/j.jchromb.2016.06.011, PubMed 27336704

Edvardsen HME, Moan IS, Christophersen AS, Gjerde H (2016)
Bruk av rusmidler, sløvende legemidler og tobakk blant arbeidstakere i utvalgte bransjer i Norge
Rapport, x, x
PublikaID 269

Eriksen GS, Andersen JM, Boix F, Bergh MS, Vindenes V, Rice KC, Huestis MA, Mørland J (2016)
Comparison of (+)- and (-)-Naloxone on the Acute Psychomotor-Stimulating Effects of Heroin, 6-Acetylmorphine, and Morphine in Mice
J Pharmacol Exp Ther, 358 (2), 209-15
DOI 10.1124/jpet.116.233544, PubMed 27278234

Fosen JT, Morini L, Sempio C, Ganss R, Mørland J, Høiseth G (2016)
Levels of Hair Ethyl Glucuronide in Patients with Decreased Kidney Function: Possibility of Misclassification of Social Drinkers
Alcohol Clin Exp Res, 40 (3), 451-6
DOI 10.1111/acer.12970, PubMed 26853225

Gottås A, Arnestad M, Halvorsen PS, Bachs LC, Høiseth G (2016)
Pharmacokinetics of heroin and its metabolites in vitreous humor and blood in a living pig model
Forensic Toxicol, 34 (2), 277-285
DOI 10.1007/s11419-016-0315-z, PubMed 27660664

Havig SM, Wiik E, Karinen R, Brochmann GW, Vevelstad M (2016)
Codeine-spiked beer in a date rape case?
Int J Legal Med, 130 (6), 1513-1518
DOI 10.1007/s00414-016-1340-5, PubMed 26966099

Helland A, Berg JA, Gustavsen I, Nordal K, Hilberg T, Aronsen L, Arnestad M, Narum S (2016)
Serum concentration measurements of addictive drugs
Tidsskr Nor Laegeforen, 136 (5), 400-2
DOI 10.4045/tidsskr.16.0030, PubMed 26983140

Høiseth G, Austdal LE, Wiik E, Bogstrand ST, Mørland J (2016)
Prevalence and concentrations of drugs in older suspected drugged drivers
Traffic Inj Prev, 18 (3), 231-236
DOI 10.1080/15389588.2016.1247209, PubMed 27740861

Høiseth G, Berg-Hansen GO, Øiestad ÅM, Bachs L, Mørland J (2016)
Impairment due to alcohol, tetrahydrocannabinol, and benzodiazepines in impaired drivers compared to experimental studies
Traffic Inj Prev, 18 (3), 244-250
DOI 10.1080/15389588.2016.1201205, PubMed 27327554

Høiseth G, Tuv SS, Karinen R (2016)
Blood concentrations of new designer benzodiazepines in forensic cases
Forensic Sci Int, 268, 35-38
DOI 10.1016/j.forsciint.2016.09.006, PubMed 27685473

Høiseth G, Wiik E, Kristoffersen L, Mørland J (2016)
Ethanol elimination rates at low concentrations based on two consecutive blood samples
Forensic Sci Int, 266, 191-196
DOI 10.1016/j.forsciint.2016.05.039, PubMed 27295074

Krabseth HM, Tuv SS, Strand MC, Karinen RA, Wiik E, Vevelstad MS, Westin AA, Oiestad EL, Vindenes V (2016)
New psychoactive substances
Tidsskr. Nor. Laegeforen., 136 (8), 714-717

Krabseth HM, Tuv SS, Strand MC, Karinen RA, Wiik E, Vevelstad MS, Westin AA, Øiestad EL, Vindenes V (2016)
Novel psychoactive substances
Tidsskr Nor Laegeforen, 136 (8), 714-7
DOI 10.4045/tidsskr.15.1278, PubMed 27143461

Kvello AM, Andersen JM, Øiestad EL, Mørland J, Bogen IL (2016)
Pharmacological Effects of a Monoclonal Antibody against 6-Monoacetylmorphine upon Heroin-Induced Locomotor Activity and Pharmacokinetics in Mice
J Pharmacol Exp Ther, 358 (2), 181-9
DOI 10.1124/jpet.116.233510, PubMed 27217591

Magnus P, Birke C, Vejrup K, Haugan A, Alsaker E, Daltveit AK, Handal M, Haugen M, Høiseth G, Knudsen GP, Paltiel L, Schreuder P, Tambs K, Vold L, Stoltenberg C (2016)
Cohort Profile Update: The Norwegian Mother and Child Cohort Study (MoBa)
Int J Epidemiol, 45 (2), 382-8
DOI 10.1093/ije/dyw029, PubMed 27063603

Strand MC, Gjerde H, Mørland J (2016)
Driving under the influence of non-alcohol drugs--An update. Part II: Experimental studies
Forensic Sci Rev, 28 (2), 79-101
PubMed 27257716

Strand MC, Innerdal C, Mathisrud G, Mørland J, Riedel B, Slørdal L, Aamo TO, Vindenes V (2016)
[Revision of fixed limits for drugs in the traffic]
Tidsskr Nor Laegeforen, 136 (19), 1619-1620
DOI 10.4045/tidsskr.16.0730, PubMed 27790887

Tuv SS, Havig SM, Middelkoop G, Tverborgvik T, Edvardsen HME (2016)
Obduksjonsstatistikk 2000-2015
Rapport, 1, 1
PublikaID 268

Tuv SS, Krabseth HM, Strand MC, Karinen RA, Wiik E, Vevelstad MS, Westin AA, Oiestad EL, Vindenes V (2016)
New drugs right from the online
Tidsskr. Nor. Laegeforen., 136 (8), 721-723

Tuv SS, Krabseth HM, Strand MC, Karinen RA, Wiik E, Vevelstad MS, Westin AA, Øiestad EL, Vindenes V (2016)
New designer drugs from the web
Tidsskr Nor Laegeforen, 136 (8), 721-3
DOI 10.4045/tidsskr.15.1276, PubMed 27143463

Valen A, Leere Øiestad ÅM, Strand DH, Skari R, Berg T (2016)
Determination of 21 drugs in oral fluid using fully automated supported liquid extraction and UHPLC-MS/MS
Drug Test Anal, 9 (5), 808-823
DOI 10.1002/dta.2045, PubMed 27464485

Vevelstad M, Øiestad EL, Bremer S, Bogen IL, Zackrisson AL, Arnestad M (2016)
Is toxicity of PMMA (paramethoxymethamphetamine) associated with cytochrome P450 pharmacogenetics?
Forensic Sci Int, 261, 137-47
DOI 10.1016/j.forsciint.2016.02.027, PubMed 26930544

Vindenes V, Bramness JG, Bretteville-Jensen AL, Mørland J, Bachs L (2016)
[Does stronger cannabis cause more health problems?]
Tidsskr Nor Laegeforen, 136 (20), 1736-1738
DOI 10.4045/tidsskr.15.1297, PubMed 27830910

Vindenes V, Strand DH, Koksæter P, Gjerde H (2016)
Detection of Nitrobenzodiazepines and Their 7-Amino Metabolites in Oral Fluid
J Anal Toxicol, 40 (4), 310-2
DOI 10.1093/jat/bkw020, PubMed 27013620

Øiestad EL, Øiestad ÅM, Gjelstad A, Karinen R (2016)
Oral fluid drug analysis in the age of new psychoactive substances
Bioanalysis, 8 (7), 691-710
DOI 10.4155/bio-2015-0027, PubMed 26964619

Publications 2015

Austdal LE, Strand MC, Vindenes V, Bogstrand ST (2015)
[Prevalence of injuries associated with the «russ» celebration in Norway]
Tidsskr Nor Laegeforen, 135 (7), 648-52
DOI 10.4045/tidsskr.14.0238, PubMed 25899369

Berg T, Kaur L, Risnes A, Havig SM, Karinen R (2015)
Determination of a selection of synthetic cannabinoids and metabolites in urine by UHPSFC-MS/MS and by UHPLC-MS/MS
Drug Test Anal, 8 (7), 708-22
DOI 10.1002/dta.1844, PubMed 26304456

Bogstrand ST, Larsson M, Holtan A, Staff T, Vindenes V, Gjerde H (2015)
Associations between driving under the influence of alcohol or drugs, speeding and seatbelt use among fatally injured car drivers in Norway
Accid Anal Prev, 78, 14-19
DOI 10.1016/j.aap.2014.12.025, PubMed 25725424

Edvardsen HM, Moan IS, Christophersen AS, Gjerde H (2015)
Use of alcohol and drugs by employees in selected business areas in Norway: a study using oral fluid testing and questionnaires
J Occup Med Toxicol, 10, 46
DOI 10.1186/s12995-015-0087-0, PubMed 26681976

Gjerde H, Nordfjærn T, Bretteville-Jensen AL, Edland-Gryt M, Furuhaugen H, Karinen R, Øiestad EL (2015)
Comparison of drugs used by nightclub patrons and criminal offenders in Oslo, Norway
Forensic Sci Int, 265, 1-5
DOI 10.1016/j.forsciint.2015.12.029, PubMed 26826845

Gjerde H, Strand MC, Mørland J (2015)
Driving Under the Influence of Non-Alcohol Drugs--An Update Part I: Epidemiological Studies
Forensic Sci Rev, 27 (2), 89-113
PubMed 26227253

Gottås A, Ripel Å, Boix F, Vindenes V, Mørland J, Øiestad EL (2015)
Determination of dopamine concentrations in brain extracellular fluid using microdialysis with short sampling intervals, analyzed by ultra high performance liquid chromatography tandem mass spectrometry
J Pharmacol Toxicol Methods, 74, 75-9
DOI 10.1016/j.vascn.2015.06.002, PubMed 26123500

Hjelmeland K, Gustavsen I, Bernard JP, Mørland J (2015)
Can a simple clinical test detect impairment of zopiclone and alcohol? - A randomized controlled trial
Forensic Sci Int, 248, 129-33
DOI 10.1016/j.forsciint.2014.12.028, PubMed 25617762

Høiseth G, Berg-Hansen GO, Mørland J (2015)
Evaluation of the hip-flask defence by determination of ethyl glucuronide and ethyl sulphate concentrations in blood
Forensic Sci Int, 257, 398-402
DOI 10.1016/j.forsciint.2015.10.017, PubMed 26555501

Høiseth G, Haslemo T, Uthus LH, Molden E (2015)
Effect of CYP2B6*6 on Steady-State Serum Concentrations of Bupropion and Hydroxybupropion in Psychiatric Patients: A Study Based on Therapeutic Drug Monitoring Data
Ther Drug Monit, 37 (5), 589-93
DOI 10.1097/FTD.0000000000000183, PubMed 25565674

Høiseth G, Middelkoop G, Mørland J, Gjerde H (2015)
Has Previous Abuse of Flunitrazepam Been Replaced by Clonazepam?
Eur Addict Res, 21 (4), 217-21
DOI 10.1159/000377628, PubMed 25895512

Karinen R, Høiseth G, Svendsen KO, Rogde S, Vindenes V (2015)
A fatal intoxication with phenazone (antipyrine)
Forensic Sci Int, 248, e13-5
DOI 10.1016/j.forsciint.2015.01.001, PubMed 25631541

Kristoffersen L, Strand DH, Liane VH, Vindenes V, Tvete IF, Aldrin M (2015)
Determination of safety margins for whole blood concentrations of alcohol and nineteen drugs in driving under the influence cases
Forensic Sci Int, 259, 119-26
DOI 10.1016/j.forsciint.2015.12.009, PubMed 26773222

Nilsson EJ, Heimdal J, Bache-Andreassen L, Johnson MS, Nielsen CJ (2015)
Tropospheric photolysis rates of the acetaldehyde isotopologues CD₃CHO and CD₃CDO relative to CH₃CHO measured at the European Photoreactor Facility
J Phys Chem A, 119 (11), 2562-7
DOI 10.1021/jp509050d, PubMed 25654214

Nordal K, Øiestad EL, Enger A, Christophersen AS, Vindenes V (2015)
Detection Times of Diazepam, Clonazepam, and Alprazolam in Oral Fluid Collected From Patients Admitted to Detoxification, After High and Repeated Drug Intake
Ther Drug Monit, 37 (4), 451-60
DOI 10.1097/FTD.0000000000000174, PubMed 25549207

Simonsen KW, Edvardsen HM, Thelander G, Ojanperä I, Thordardottir S, Andersen LV, Kriikku P, Vindenes V, Christoffersen D, Delaveris GJ, Frost J (2015)
Fatal poisoning in drug addicts in the Nordic countries in 2012
Forensic Sci Int, 248, 172-80
DOI 10.1016/j.forsciint.2015.01.003, PubMed 25645132

Tuv SS, Bergh MS, Vindenes V, Karinen R (2015)
Methiopropamine in blood samples from drivers suspected of being under the influence of drugs
Traffic Inj Prev, 17 (1), 1-4
DOI 10.1080/15389588.2015.1036157, PubMed 25874580

Tveito M, Correll CU, Bramness JG, Engedal K, Lorentzen B, Refsum H, Høiseth G (2015)
Correlates of major medication side effects interfering with daily performance: results from a cross-sectional cohort study of older psychiatric patients
Int Psychogeriatr, 28 (2), 331-40
DOI 10.1017/S1041610215001544, PubMed 26412479

Publications 2014

Andås HT, Krabseth HM, Enger A, Marcussen BN, Haneborg AM, Christophersen AS, Vindenes V, Øiestad EL (2014)
Detection time for THC in oral fluid after frequent cannabis smoking
Ther Drug Monit, 36 (6), 808-14
DOI 10.1097/FTD.0000000000000092, PubMed 24819969

Berg T, Karlsen M, Oiestad AM, Johansen JE, Liu H, Strand DH (2014)
Evaluation of ¹³C- and ²H-labeled internal standards for the determination of amphetamines in biological samples, by reversed-phase ultra-high performance liquid chromatography-tandem mass spectrometry
J Chromatogr A, 1344, 83-90
DOI 10.1016/j.chroma.2014.04.020, PubMed 24780257

Bogstrand ST, Høiseth G, Rossow I, Normann PT, Ekeberg O (2014)
Prevalence of ethyl glucuronide and ethyl sulphate among patients injured when driving or at work
Alcohol Alcohol, 50 (1), 68-73
DOI 10.1093/alcalc/agu070, PubMed 25318475

Bramness JG, Reid MJ, Solvik KF, Vindenes V (2014)
Recent trends in the availability and use of amphetamine and methamphetamine in Norway
Forensic Sci Int, 246, 92-7
DOI 10.1016/j.forsciint.2014.11.010, PubMed 25485948

Edvardsen HM, Karinen R, Moan IS, Oiestad EL, Christophersen AS, Gjerde H (2014)
Use of alcohol and drugs among health professionals in Norway: a study using data from questionnaires and samples of oral fluid
J Occup Med Toxicol, 9 (1), 8
DOI 10.1186/1745-6673-9-8, PubMed 24612541

Eibak LE, Rasmussen KE, Oiestad EL, Pedersen-Bjergaard S, Gjelstad A (2014)
Parallel electromembrane extraction in the 96-well format
Anal Chim Acta, 828, 46-52
DOI 10.1016/j.aca.2014.04.038, PubMed 24845814

Eliassen E, Kristoffersen L (2014)
Quantitative determination of zopiclone and zolpidem in whole blood by liquid-liquid extraction and UHPLC-MS/MS
J Chromatogr B Analyt Technol Biomed Life Sci, 971, 72-80
DOI 10.1016/j.jchromb.2014.09.018, PubMed 25264915

Gjerde H, Sousa TR, De Boni R, Christophersen AS, Limberger RP, Zancanaro I, Oiestad EL, Normann PT, Mørland J, Pechansky F (2014)
A comparison of alcohol and drug use by random motor vehicle drivers in Brazil and Norway
Int J Drug Policy, 25 (3), 393-400
DOI 10.1016/j.drugpo.2014.01.019, PubMed 24613265

Gottås A, Boix F, Øiestad EL, Vindenes V, Mørland J (2014)
Role of 6-monoacetylmorphine in the acute release of striatal dopamine induced by intravenous heroin
Int J Neuropsychopharmacol, 17 (9), 1357-65
DOI 10.1017/S1461145714000169, PubMed 24576415

Høiseth G, Andås H, Bachs L, Mørland J (2014)
Impairment due to amphetamines and benzodiazepines, alone and in combination
Drug Alcohol Depend, 145, 174-9
DOI 10.1016/j.drugalcdep.2014.10.013, PubMed 25456327

Høiseth G, Fjeld B, Burns ML, Strand DH, Vindenes V (2014)
Long-term stability of morphine, codeine, and 6-acetylmorphine in real-life whole blood samples, stored at -20°C
Forensic Sci Int, 239, 6-10
DOI 10.1016/j.forsciint.2014.03.008, PubMed 24709028

Høiseth G, Fosen JT, Liane V, Bogstrand ST, Mørland J (2014)
Alcohol hangover as a cause of impairment in apprehended drivers
Traffic Inj Prev, 16 (4), 323-8
DOI 10.1080/15389588.2014.938324, PubMed 25023858

Jansen MD, Knudsen GP, Myhre R, Høiseth G, Mørland J, Næss Ø, Tambs K, Magnus P (2014)
Genetic variants in loci 1p13 and 9p21 and fatal coronary heart disease in a Norwegian case-cohort study
Mol Biol Rep, 41 (5), 2733-43
DOI 10.1007/s11033-014-3096-7, PubMed 24728607

Karinen R, Fosen JT, Rogde S, Vindenes V (2014)
An accidental poisoning with mitragynine
Forensic Sci Int, 245, e29-32
DOI 10.1016/j.forsciint.2014.10.025, PubMed 25453780

Karinen R, Tuv SS, Rogde S, Peres MD, Johansen U, Frost J, Vindenes V, Øiestad ÅM (2014)
Lethal poisonings with AH-7921 in combination with other substances
Forensic Sci Int, 244, e21-4
DOI 10.1016/j.forsciint.2014.08.013, PubMed 25216892

Karinen R, Tuv SS, Øiestad EL, Vindenes V (2014)
Concentrations of APINACA, 5F-APINACA, UR-144 and its degradant product in blood samples from six impaired drivers compared to previous reported concentrations of other synthetic cannabinoids
Forensic Sci Int, 246, 98-103
DOI 10.1016/j.forsciint.2014.11.012, PubMed 25485949

Karinen R, Vindenes V, Hasvold I, Olsen KM, Christophersen AS, Øiestad E (2014)
Determination of a selection of anti-epileptic drugs and two active metabolites in whole blood by reversed phase UPLC-MS/MS and some examples of application of the method in forensic toxicology cases
Drug Test Anal, 7 (7), 634-44
DOI 10.1002/dta.1733, PubMed 25331692

Krabseth H, Mørland J, Høiseth G (2014)
Assistance of ethyl glucuronide and ethyl sulfate in the interpretation of postmortem ethanol findings
Int J Legal Med, 128 (5), 765-70
DOI 10.1007/s00414-014-1031-z, PubMed 24935750

Thaulow CH, Høiseth G, Andersen JM, Handal M, Mørland J (2014)
Pharmacokinetic interactions between ethanol and heroin: a study on post-mortem cases
Forensic Sci Int, 242, 127-134
DOI 10.1016/j.forsciint.2014.06.032, PubMed 25050840

Tveito M, Bramness JG, Engedal K, Lorentzen B, Refsum H, Høiseth G (2014)
Psychotropic medication in geriatric psychiatric patients: use and unreported use in relation to serum concentrations
Eur J Clin Pharmacol, 70 (9), 1139-45
DOI 10.1007/s00228-014-1720-z, PubMed 25031073

Tveito M, Lorentzen B, Engedal K, Tanum L, Bramness JG, Refsum H, Høiseth G (2014)
Changes in cognitive function during psychogeriatric treatment in relation to benzodiazepine cessation
Pharmacopsychiatry, 47 (4-5), 145-50
DOI 10.1055/s-0034-1381982, PubMed 24936805

Vindenes V, Boix F, Koksæter P, Strand MC, Bachs L, Mørland J, Gjerde H (2014)
Drugged driving arrests in Norway before and after the implementation of per se law
Forensic Sci Int, 245, 171-7
DOI 10.1016/j.forsciint.2014.10.038, PubMed 25447190

Vindenes V, Enger A, Nordal K, Johansen U, Christophersen AS, Oiestad EL (2014)
Very long Detection Times after High and repeated intake of Heroin and Methadone, measured in Oral Fluid
Scand. J. Forensic Sci., 20 (2), 34-41
DOI 10.2478/sjfs-2014-0004

Vindenes V, Enger A, Nordal K, Johansen U, Cristophersen AS, Øiestad EL (2014)
Very long Detection Times after High and repeated intake of Heroin and Methadone, measured in Oral Fluid
Scandinavian Journal of Forensic Science, 20 (2), 34-41
DOI 10.2478/sjfs-2014-0004, PublikaID 292

Westergren T, Hjelmeland K, Kristoffersen B, Johannessen SI, Kalikstad B (2014)
Probable topiramate-induced diarrhea in a 2-month-old breast-fed child - A case report
Epilepsy Behav Case Rep, 2, 22-3
DOI 10.1016/j.ebcr.2013.12.006, PubMed 25667861

Publications 2013

Al-Samarraie MS, Vevelstad M, Nygaard IL, Bachs L, Mørland J (2013)
[Intoxation with paramethoxymethamphetamine]
Tidsskr Nor Laegeforen, 133 (9), 966-9
DOI 10.4045/tidsskr.12.0417, PubMed 23652145

Amundsen I, Oiestad ÅM, Ekeberg D, Kristoffersen L (2013)
Quantitative determination of fifteen basic pharmaceuticals in ante- and post-mortem whole blood by high pH mobile phase reversed phase ultra high performance liquid chromatography-tandem mass spectrometry
J Chromatogr B Analyt Technol Biomed Life Sci, 927, 112-23
DOI 10.1016/j.jchromb.2012.12.039, PubMed 23380540

Arnestad M, Eldor KB, Stray-Pedersen A, Bachs L, Karinen R (2013)
Suicide due to cyclizine overdose
J Anal Toxicol, 38 (2), 110-2
DOI 10.1093/jat/bkt100, PubMed 24324230

Berg-Pedersen RM, Ripel A, Karinen R, Vevelstad M, Bachs L, Vindenes V (2013)
Codeine to morphine concentration ratios in samples from living subjects and autopsy cases after incubation
J Anal Toxicol, 38 (2), 99-105
DOI 10.1093/jat/bkt099, PubMed 24324229

Berg T, Jørgenrud B, Strand DH (2013)
Determination of buprenorphine, fentanyl and LSD in whole blood by UPLC-MS-MS
J Anal Toxicol, 37 (3), 159-65
DOI 10.1093/jat/bkt005, PubMed 23423312

Bretteville-Jensen AL, Tuv SS, Bilgrei OR, Fjeld B, Bachs L (2013)
Synthetic Cannabinoids and Cathinones: Prevalence and Markets
Forensic Sci Rev, 25 (1-2), 7-26
PubMed 26226848

Gjerde H, Christophersen AS, Normann PT, Assum T, Oiestad EL, Mørland J (2013)
Norwegian roadside survey of alcohol and drug use by drivers (2008-2009)
Traffic Inj Prev, 14 (5), 443-52
DOI 10.1080/15389588.2012.728016, PubMed 23697895

Gottås A, Øiestad EL, Boix F, Vindenes V, Ripel Å, Thaulow CH, Mørland J (2013)
Levels of heroin and its metabolites in blood and brain extracellular fluid after i.v. heroin administration to freely moving rats
Br J Pharmacol, 170 (3), 546-56
DOI 10.1111/bph.12305, PubMed 23865556

Høiseth G, Andersen JM, Mørland J (2013)
Less glucuronidation of morphine in the presence of ethanol in vivo
Eur J Clin Pharmacol, 69 (9), 1683-7
DOI 10.1007/s00228-013-1533-5, PubMed 23739999

Høiseth G, Kristiansen KM, Kvande K, Tanum L, Lorentzen B, Refsum H (2013)
Benzodiazepines in geriatric psychiatry: what doctors report and what patients actually use
Drugs Aging, 30 (2), 113-8
DOI 10.1007/s40266-012-0045-9, PubMed 23288602

Høiseth G, Magnus P, Knudsen GP, Jansen MD, Næss O, Tambs K, Mørland J (2013)
Is ADH1C genotype relevant for the cardioprotective effect of alcohol?
Alcohol, 47 (2), 81-4
DOI 10.1016/j.alcohol.2012.12.005, PubMed 23321361

Høiseth G, Tanum L, Tveito M, Kristiansen KM, Kvande K, Lorentzen B, Refsum H, Bramness J (2013)
A clinical study of the cognitive effects of benzodiazepines in psychogeriatric patients
Pharmacopsychiatry, 46 (6), 209-13
DOI 10.1055/s-0033-1349131, PubMed 23832585

Karinen R, Vindenes V, Morild I, Johnsen L, Le Nygaard I, Christophersen AS (2013)
Methyl tert-butyl ether (MTBE) detected in abnormally high concentrations in postmortem blood and urine from two persons found dead inside a car containing a gasoline spill
J Forensic Sci, 58 (5), 1393-1396
DOI 10.1111/1556-4029.12208, PubMed 23879346

Langel K, Gjerde H, Favretto D, Lillsunde P, Øiestad EL, Ferrara SD, Verstraete AG (2013)
Comparison of drug concentrations between whole blood and oral fluid
Drug Test Anal, 6 (5), 461-71
DOI 10.1002/dta.1532, PubMed 24039237

Lund HM, Gjerde H, de Courtade SM, Oiestad EL, Christophersen AS (2013)
A Norwegian study of the suitability of hair samples in epidemiological research of alcohol, nicotine and drug use
J Anal Toxicol, 37 (6), 362-8
DOI 10.1093/jat/bkt038, PubMed 23689070

Lund HME, Gjerde H, DeCourtade SM, Øiestad EL, Christophersen AS (2013)
A Norwegian study of the suitability of hair samples in epidemiological research of alcohol, nicotine and drug use
J Anal Toxicol, 37 (6), 362-8
DOI 10.1093/jat/bkt038 , PublikaID 266

Oiestad EL, Johansen U, Christophersen AS, Karinen R (2013)
Screening of synthetic cannabinoids in preserved oral fluid by UPLC-MS/MS
Bioanalysis, 5 (18), 2257-68
DOI 10.4155/bio.13.182, PubMed 24053241

Strand MC, Fjeld B, Arnestad M, Mørland J (2013)
Can patients receiving opioid maintenance therapy safely drive? A systematic review of epidemiological and experimental studies on driving ability with a focus on concomitant methadone or buprenorphine administration
Traffic Inj Prev, 14 (1), 26-38
DOI 10.1080/15389588.2012.689451, PubMed 23259516

Tuv SS, Krabseth H, Karinen R, Olsen KM, Øiestad EL, Vindenes V (2013)
Prevalence of synthetic cannabinoids in blood samples from Norwegian drivers suspected of impaired driving during a seven weeks period
Accid Anal Prev, 62, 26-31
DOI 10.1016/j.aap.2013.09.009, PubMed 24129318

Vindenes V, Strand DH, Kristoffersen L, Boix F, Mørland J (2013)
Has the intake of THC by cannabis users changed over the last decade? Evidence of increased exposure by analysis of blood THC concentrations in impaired drivers
Forensic Sci Int, 226 (1-3), 197-201
DOI 10.1016/j.forsciint.2013.01.017, PubMed 23415163

Øiestad EL, Karinen R, Christophersen AS, Vindenes V, Bachs L (2013)
Analyses of beverage remains in drug rape cases revealing drug residues--the possibility of contamination from drug concentrated oral fluid or oral cavity contained tablets
J Forensic Sci, 59 (1), 208-10
DOI 10.1111/1556-4029.12270, PubMed 24117495

Publications 2012

Arnestad M (2012)
What is toxic in infants and children?
Forensic Sci Med Pathol, 9 (1), 94-5
DOI 10.1007/s12024-012-9371-9, PubMed 22926773

Fjeld B, Burns ML, Karinen R, Larssen B, Smith-Kielland A, Vindenes V (2012)
Long-term stability of GHB in post-mortem samples and samples from living persons, stored at -20°C, using fluoride preservatives
Forensic Sci Int, 222 (1-3), 47-51
DOI 10.1016/j.forsciint.2012.04.033, PubMed 22648054

Gottas A, Oiestad EL, Boix F, Ripel A, Thaulow CH, Pettersen BS, Vindenes V, Morland J (2012)
Simultaneous measurement of heroin and its metabolites in brain extracellular fluid by microdialysis and ultra performance liquid chromatography tandem mass spectrometry
J Pharmacol Toxicol Methods, 66 (1), 14-21
DOI 10.1016/j.vascn.2012.04.009, PubMed 22561414

Graff-Iversen S, Jansen MD, Hoff DA, Høiseth G, Knudsen GP, Magnus P, Mørland J, Normann PT, Næss OE, Tambs K (2012)
Divergent associations of drinking frequency and binge consumption of alcohol with mortality within the same cohort
J Epidemiol Community Health, 67 (4), 350-7
DOI 10.1136/jech-2012-201564, PubMed 23235547

Gustavsen I, Hjelmeland K, Bernard JP, Mørland J (2012)
Individual psychomotor impairment in relation to zopiclone and ethanol concentrations in blood--a randomized controlled double-blinded trial
Addiction, 107 (5), 925-32
DOI 10.1111/j.1360-0443.2011.03693.x, PubMed 22008377

Høiseth G, Bentsen H (2012)
[Use of slow-release injections to administer antipsychotic drugs]
Tidsskr Nor Laegeforen, 132 (3), 301-3
DOI 10.4045/tidsskr.11.0721, PubMed 22314741

Høiseth G, Majid U, Mørland J, Bramness JG, Molden E (2012)
CYP2C19 genetics in fatal carisoprodol intoxications
Eur J Clin Pharmacol, 68 (11), 1561-5
DOI 10.1007/s00228-012-1278-6, PubMed 22527345

Høiseth G, Morini L, Ganss R, Nordal K, Mørland J (2012)
Higher levels of hair ethyl glucuronide in patients with decreased kidney function
Alcohol Clin Exp Res, 37 Suppl 1, E14-6
DOI 10.1111/j.1530-0277.2012.01882.x, PubMed 22698262

Høiseth G, Nordal K, Pettersen E, Mørland J (2012)
Prolonged urinary detection times of EtG and EtS in patients with decreased renal function
Alcohol Clin Exp Res, 36 (7), 1148-51
DOI 10.1111/j.1530-0277.2011.01713.x, PubMed 22316172

Høiseth G, Solberg DK, Refsum H (2012)
[Combination treatment of depression]
Tidsskr Nor Laegeforen, 132 (10), 1239-41
DOI 10.4045/tidsskr.11.1250, PubMed 22669385

Storhaug LW, Enger A, Hjelmeland K, Øiestad EL, Vindenes V (2012)
Prolonged excretion of 7-aminoclonazepam in urine after repeated ingestion of clonazepam: a case report
Forensic Sci Int, 222 (1-3), e33-5
DOI 10.1016/j.forsciint.2012.06.018, PubMed 22819278

Tuv SS, Strand MC, Karinen R, Øiestad EL, Christophersen AS, Vindenes V (2012)
[Effect and occurrence of synthetic cannabinoids]
Tidsskr Nor Laegeforen, 132 (20), 2285-8
DOI 10.4045/tidsskr.12.0471, PubMed 23736196

Vevelstad M, Øiestad EL, Middelkoop G, Hasvold I, Lilleng P, Delaveris GJ, Eggen T, Mørland J, Arnestad M (2012)
The PMMA epidemic in Norway: comparison of fatal and non-fatal intoxications
Forensic Sci Int, 219 (1-3), 151-7
DOI 10.1016/j.forsciint.2011.12.014, PubMed 22257968

Vindenes V, Lund HM, Andresen W, Gjerde H, Ikdahl SE, Christophersen AS, Øiestad EL (2012)
Detection of drugs of abuse in simultaneously collected oral fluid, urine and blood from Norwegian drug drivers
Forensic Sci Int, 219 (1-3), 165-71
DOI 10.1016/j.forsciint.2012.01.001, PubMed 22284072

Vindenes V, Lund HME, Andresen W, Gjerde H, Ikdahl SE, Christophersen AS, Øiestad EL (2012)
Detection of drugs of abuse in simultaneously collected oral fluid, urine and blood from Norwegian drug drivers
Forensic Sci Int, 219 (1-3), 165
PublikaID 265

Vindenes V, Slørdal L, Mørland J (2012)
[Fixed limits for central stimulants in traffic]
Tidsskr Nor Laegeforen, 132 (3), 275-6
DOI 10.4045/tidsskr.11.1284, PubMed 22314734

Publications 2011

Berg T, Strand DH (2011)
¹³C labelled internal standards--a solution to minimize ion suppression effects in liquid chromatography-tandem mass spectrometry analyses of drugs in biological samples?
J Chromatogr A, 1218 (52), 9366-74
DOI 10.1016/j.chroma.2011.10.081, PubMed 22119139

Dahl SR, Olsen KM, Strand DH (2011)
Determination of γ-hydroxybutyrate (GHB), β-hydroxybutyrate (BHB), pregabalin, 1,4-butane-diol (1,4BD) and γ-butyrolactone (GBL) in whole blood and urine samples by UPLC-MSMS
J Chromatogr B Analyt Technol Biomed Life Sci, 885-886, 37-42
DOI 10.1016/j.jchromb.2011.12.009, PubMed 22226469

Gjerde H, Øiestad EL, Christophersen AS (2011)
Using biological samples in epidemiological research on drugs of abuse
Norsk Epidemiologi, 21 (1), 5-14
PublikaID 293

Gustavsen I, Hjelmeland K, Bernard JP, Mørland J (2011)
Psychomotor performance after intake of zopiclone compared with intake of ethanol: a randomized, controlled, double-blinded trial
J Clin Psychopharmacol, 31 (4), 481-8
DOI 10.1097/JCP.0b013e3182214be6, PubMed 21694628

Jamt RE, Gjelstad A, Eibak LE, Øiestad EL, Christophersen AS, Rasmussen KE, Pedersen-Bjergaard S (2011)
Electromembrane extraction of stimulating drugs from undiluted whole blood
J Chromatogr A, 1232, 27-36
DOI 10.1016/j.chroma.2011.08.058, PubMed 21899849

Karinen R, Øiestad EL, Andresen W, Smith-Kielland A, Christophersen A (2011)
Comparison of the stability of stock solutions of drugs of abuse and other drugs stored in a freezer, refrigerator, and at ambient temperature for up to one year
J Anal Toxicol, 35 (8), 583-90
DOI 10.1093/anatox/35.8.583, PubMed 22004679

Konstantinova SV, Normann PT, Arnestad M, Karinen R, Christophersen AS, Mørland J (2011)
Morphine to codeine concentration ratio in blood and urine as a marker of illicit heroin use in forensic autopsy samples
Forensic Sci Int, 217 (1-3), 216-21
DOI 10.1016/j.forsciint.2011.11.007, PubMed 22137531

Lund HM, Øiestad EL, Gjerde H, Christophersen AS (2011)
Drugs of abuse in oral fluid collected by two different sample kits--stability testing and validation using ultra performance tandem mass spectrometry analysis
J Chromatogr B Analyt Technol Biomed Life Sci, 879 (30), 3367-77
DOI 10.1016/j.jchromb.2011.09.002, PubMed 21962269

Lund HME, Bogstrand ST, Christophersen AS (2011)
Results of workplace drug testing in Norway
Norsk epidemiologi, 21 (1), 55-59
PublikaID 264

Lund HME, Øiestad EL, Gjerde H, Christophersen AS (2011)
Drugs of abuse in oral fluid collected by two different sample kits-stability testing and validation using ultra performance tandem mass spectrometry analysis.
J Chromatogr B Analyt Technol Biomed Life Sci, 879 (30), 3367-77
DOI 10.1016/j.jchromb.2011.09.002 , PublikaID 263

Magnus P, Bakke E, Hoff DA, Høiseth G, Graff-Iversen S, Knudsen GP, Myhre R, Normann PT, Næss Ø, Tambs K, Thelle DS, Mørland J (2011)
Controlling for high-density lipoprotein cholesterol does not affect the magnitude of the relationship between alcohol and coronary heart disease
Circulation, 124 (21), 2296-302
DOI 10.1161/CIRCULATIONAHA.111.036491, PubMed 22042888

Oiestad EL, Johansen U, Oiestad AM, Christophersen AS (2011)
Drug screening of whole blood by ultra-performance liquid chromatography-tandem mass spectrometry
J Anal Toxicol, 35 (5), 280-93
DOI 10.1093/anatox/35.5.280, PubMed 21619723

Sauve EN, Langødegård M, Ekeberg D, Øiestad AM (2011)
Determination of benzodiazepines in ante-mortem and post-mortem whole blood by solid-supported liquid-liquid extraction and UPLC-MS/MS
J Chromatogr B Analyt Technol Biomed Life Sci, 883-884, 177-88
DOI 10.1016/j.jchromb.2011.10.033, PubMed 22119506

Vindenes V, Jordbru D, Knapskog AB, Kvan E, Mathisrud G, Slørdal L, Mørland J (2011)
Impairment based legislative limits for driving under the influence of non-alcohol drugs in Norway
Forensic Sci Int, 219 (1-3), 1-11
DOI 10.1016/j.forsciint.2011.11.004, PubMed 22118917

Vindenes V, Yttredal B, Oiestad EL, Waal H, Bernard JP, Mørland JG, Christophersen AS (2011)
Oral fluid is a viable alternative for monitoring drug abuse: detection of drugs in oral fluid by liquid chromatography-tandem mass spectrometry and comparison to the results from urine samples from patients treated with Methadone or Buprenorphine
J Anal Toxicol, 35 (1), 32-9
DOI 10.1093/anatox/35.1.32, PubMed 21219701

Publications 2010

Gjerde H, Øiestad EL, Øiestad ÅM, Langødegård M, Gustavsen I, Hjelmeland K, Bernard JP, Christophersen AS (2010)
Comparison of zopiclone concentrations in oral fluid sampled with Intercept(®) oral specimen collection device and Statsure Saliva Sampler™ and concentrations in blood
J Anal Toxicol, 34 (9), 590-3
DOI 10.1093/jat/34.9.590, PubMed 21073813

Høiseth G, Yttredal B, Karinen R, Gjerde H, Christophersen A (2010)
Levels of ethyl glucuronide and ethyl sulfate in oral fluid, blood, and urine after use of mouthwash and ingestion of nonalcoholic wine
J Anal Toxicol, 34 (2), 84-8
DOI 10.1093/jat/34.2.84, PubMed 20223100

Høiseth G, Yttredal B, Karinen R, Gjerde H, Mørland J, Christophersen A (2010)
Ethyl glucuronide concentrations in oral fluid, blood, and urine after volunteers drank 0.5 and 1.0 g/kg doses of ethanol
J Anal Toxicol, 34 (6), 319-24
DOI 10.1093/jat/34.6.319, PubMed 20663284

Karinen R, Oiestad EL, Andresen W, Wethe G, Smith-Kielland A, Christophersen A (2010)
Comparison of ethanol and other drugs of abuse concentrations in whole blood stored in venoject glass and plastic and venosafe plastic evacuated tubes
J Anal Toxicol, 34 (7), 420-8
DOI 10.1093/jat/34.7.420, PubMed 20822681

Kringen MK, Haug KB, Grimholt RM, Stormo C, Narum S, Opdal MS, Fosen JT, Piehler AP, Johansen PW, Seljeflot I, Berg JP, Brørs O (2010)
Genetic variation of VKORC1 and CYP4F2 genes related to warfarin maintenance dose in patients with myocardial infarction
J Biomed Biotechnol, 2011, 739751
DOI 10.1155/2011/739751, PubMed 21127708

Publications 2009

Bakke E, Bachs L (2009)
[Interactions with methadone and buprenorphine]
Tidsskr Nor Laegeforen, 129 (22), 2364-6
DOI 10.4045/tidsskr.09.0471, PubMed 19935937

Hegstad S, Kristoffersen L, Christophersen AS, Khiabani HZ (2009)
[Drug testing in hair]
Tidsskr Nor Laegeforen, 129 (1), 36-8
DOI 10.4045/tidsskr.2009.0376, PubMed 19119295

Høiseth G, Karinen R, Christophersen A, Mørland J (2009)
Practical use of ethyl glucuronide and ethyl sulfate in postmortem cases as markers of antemortem alcohol ingestion
Int J Legal Med, 124 (2), 143-8
DOI 10.1007/s00414-009-0393-0, PubMed 19937334

Høiseth G, Karinen R, Sørlid HK, Bramness JG (2009)
The effect of scheduling and withdrawal of carisoprodol on prevalence of intoxications with the drug
Basic Clin Pharmacol Toxicol, 105 (5), 345-9
DOI 10.1111/j.1742-7843.2009.00459.x, PubMed 19663822

Høiseth G, Morini L, Polettini A, Christophersen A, Mørland J (2009)
Ethyl glucuronide in hair compared with traditional alcohol biomarkers--a pilot study of heavy drinkers referred to an alcohol detoxification unit
Alcohol Clin Exp Res, 33 (5), 812-6
DOI 10.1111/j.1530-0277.2009.00900.x, PubMed 19298326

Høiseth G, Morini L, Polettini A, Christophersen A, Mørland J (2009)
Blood kinetics of ethyl glucuronide and ethyl sulphate in heavy drinkers during alcohol detoxification
Forensic Sci Int, 188 (1-3), 52-6
DOI 10.1016/j.forsciint.2009.03.017, PubMed 19395207

Høiseth G, Morini L, Polettini A, Christophersen AS, Johnsen L, Karinen R, Mørland J (2009)
Serum/whole blood concentration ratio for ethylglucuronide and ethyl sulfate
J Anal Toxicol, 33 (4), 208-11
DOI 10.1093/jat/33.4.208, PubMed 19470223

Nilsson EJ, Bache-Andreassen L, Johnson MS, Nielsen CJ (2009)
Relative tropospheric photolysis rates of acetaldehyde and formaldehyde isotopologues measured at the European photoreactor facility
J Phys Chem A, 113 (15), 3498-504
DOI 10.1021/jp811113c, PubMed 19298072

Oiestad EL, Johansen U, Stokke Opdal M, Bergan S, Christophersen AS (2009)
Determination of digoxin and digitoxin in whole blood
J Anal Toxicol, 33 (7), 372-8
DOI 10.1093/jat/33.7.372, PubMed 19796507

Vevelstad M, Morild I (2009)
Lethal methemoglobinemia and automobile exhaust inhalation
Forensic Sci Int, 187 (1-3), e1-5
DOI 10.1016/j.forsciint.2009.01.023, PubMed 19261402

Vevelstad M, Pettersen S, Tallaksen C, Brørs O (2009)
O-demethylation of codeine to morphine inhibited by low-dose levomepromazine
Eur J Clin Pharmacol, 65 (8), 795-801
DOI 10.1007/s00228-009-0640-9, PubMed 19308365

Vindenes V, Pettersen BS, Gottås A, Christiansen NL, Boix F, Mørland J (2009)
Different effects on dopamine release in nucleus accumbens in mice by the morphine metabolites morphine-6-glucuronide and morphine-3-glucuronide
Basic Clin Pharmacol Toxicol, 105 (5), 357-60
DOI 10.1111/j.1742-7843.2009.00451.x, PubMed 19663818

Vindenes V, Ripel A, Handal M, Boix F, Mørland J (2009)
Interactions between morphine and the morphine-glucuronides measured by conditioned place preference and locomotor activity
Pharmacol Biochem Behav, 93 (1), 1-9
DOI 10.1016/j.pbb.2009.03.013, PubMed 19351545

Publications 2008

Berg T, Lundanes E, Christophersen AS, Strand DH (2008)
Determination of opiates and cocaine in urine by high pH mobile phase reversed phase UPLC-MS/MS
J Chromatogr B Analyt Technol Biomed Life Sci, 877 (4), 421-32
DOI 10.1016/j.jchromb.2008.12.052, PubMed 19144579

Gjerde H, Normann PT, Pettersen BS, Assum T, Aldrin M, Johansen U, Kristoffersen L, Øiestad EL, Christophersen AS, Mørland J (2008)
Prevalence of alcohol and drugs among Norwegian motor vehicle drivers: a roadside survey
Accid Anal Prev, 40 (5), 1765-72
DOI 10.1016/j.aap.2008.06.015, PubMed 18760106

Hegstad S, Khiabani HZ, Kristoffersen L, Kunøe N, Lobmaier PP, Christophersen AS (2008)
Drug screening of hair by liquid chromatography-tandem mass spectrometry
J Anal Toxicol, 32 (5), 364-72
DOI 10.1093/jat/32.5.364, PubMed 18544222

Høiseth G, Bernard JP, Stephanson N, Normann PT, Christophersen AS, Mørland J, Helander A (2008)
Comparison between the urinary alcohol markers EtG, EtS, and GTOL/5-HIAA in a controlled drinking experiment
Alcohol Alcohol, 43 (2), 187-91
DOI 10.1093/alcalc/agm175, PubMed 18230699

Høiseth G, Sørlid HK, Bramness J (2008)
Acute intoxications with carisoprodol
Clin Toxicol (Phila), 46 (4), 307-9
DOI 10.1080/15563650701476953, PubMed 18363125

Marinkovic M, Gruber-Stadler M, Nicovich JM, Soller R, Mülhäuser M, Wine PH, Bache-Andreassen L, Nielsen CJ (2008)
Experimental and theoretical study of the carbon-13 and deuterium kinetic isotope effects in the Cl and OH reactions of CH3F
J Phys Chem A, 112 (48), 12416-29
DOI 10.1021/jp807609d, PubMed 18989948

Vindenes V, Handal M, Ripel A, Thaulow CH, Vindenes HB, Boix F, Mørland J (2008)
Different time schedules affect conditioned place preference after morphine and morphine-6-glucuronide administration
Pharmacol Biochem Behav, 89 (3), 374-83
DOI 10.1016/j.pbb.2008.01.012, PubMed 18308383

Vindenes V, Karinen R, Hasvold I, Bernard JP, Mørland JG, Christophersen AS (2008)
Bromadiolone poisoning: LC-MS method and pharmacokinetic data
J Forensic Sci, 53 (4), 993-6
DOI 10.1111/j.1556-4029.2008.00737.x, PubMed 18482378

Publications 2007

Arnestad M, Crotti L, Rognum TO, Insolia R, Pedrazzini M, Ferrandi C, Vege A, Wang DW, Rhodes TE, George AL, Schwartz PJ (2007)
Prevalence of long-QT syndrome gene variants in sudden infant death syndrome
Circulation, 115 (3), 361-7
DOI 10.1161/CIRCULATIONAHA.106.658021, PubMed 17210839

Arnestad M, Opdal SH, Vege A, Rognum TO (2007)
A mitochondrial DNA polymorphism associated with cardiac arrhythmia investigated in sudden infant death syndrome
Acta Paediatr, 96 (2), 206-10
DOI 10.1111/j.1651-2227.2007.00022.x, PubMed 17429906

Gustavsen I, Hjelmeland K, Bachs L, Mørland J (2007)
[Substance abuse can cause stroke]
Tidsskr Nor Laegeforen, 127 (10), 1401; author reply 1401-2
PubMed 17520003

Hegstad S, Khiabani HZ, Øiestad EL, Berg T, Christophersen AS (2007)
Rapid quantification of buprenorphine-glucuronide and norbuprenorphine-glucuronide in human urine by LC-MS-MS
J Anal Toxicol, 31 (4), 214-9
DOI 10.1093/jat/31.4.214, PubMed 17555645

Høiseth G, Bernard JP, Karinen R, Johnsen L, Helander A, Christophersen AS, Mørland J (2007)
A pharmacokinetic study of ethyl glucuronide in blood and urine: applications to forensic toxicology
Forensic Sci Int, 172 (2-3), 119-24
DOI 10.1016/j.forsciint.2007.01.005, PubMed 17306943

Høiseth G, Karinen R, Johnsen L, Normann PT, Christophersen AS, Mørland J (2007)
Disappearance of ethyl glucuronide during heavy putrefaction
Forensic Sci Int, 176 (2-3), 147-51
DOI 10.1016/j.forsciint.2007.08.002, PubMed 17884319

Høiseth G, Kristoffersen L, Larssen B, Arnestad M, Hermansen NO, Mørland J (2007)
In vitro formation of ethanol in autopsy samples containing fluoride ions
Int J Legal Med, 122 (1), 63-6
DOI 10.1007/s00414-007-0166-6, PubMed 17387502

Opdal SH, Vege A, Arnestad M, Musse MA, Rognum TO (2007)
Mitochondrial tRNA genes and flanking regions in sudden infant death syndrome
Acta Paediatr, 96 (2), 211-4
DOI 10.1111/j.1651-2227.2007.00085.x, PubMed 17429907

Rhodes TE, Abraham RL, Welch RC, Vanoye CG, Crotti L, Arnestad M, Insolia R, Pedrazzini M, Ferrandi C, Vege A, Rognum T, Roden DM, Schwartz PJ, George AL (2007)
Cardiac potassium channel dysfunction in sudden infant death syndrome
J Mol Cell Cardiol, 44 (3), 571-81
DOI 10.1016/j.yjmcc.2007.11.015, PubMed 18222468

Wang DW, Desai RR, Crotti L, Arnestad M, Insolia R, Pedrazzini M, Ferrandi C, Vege A, Rognum T, Schwartz PJ, George AL (2007)
Cardiac sodium channel dysfunction in sudden infant death syndrome
Circulation, 115 (3), 368-76
DOI 10.1161/CIRCULATIONAHA.106.646513, PubMed 17210841

Publications 2006

Bachs L, Høiseth G, Skurtveit S, Mørland J (2006)
Heroin-using drivers: importance of morphine and morphine-6-glucuronide on late clinical impairment
Eur J Clin Pharmacol, 62 (11), 905-12
DOI 10.1007/s00228-006-0195-y, PubMed 17021891

Bajanowski T, Vege A, Byard RW, Krous HF, Arnestad M, Bachs L, Banner J, Blair PS, Borthne A, Dettmeyer R, Fleming P, Gaustad P, Gregersen M, Grøgaard J, Holter E, Isaksen CV, Jorgensen JV, de Lange C, Madea B, Moore I, Morland J, Opdal SH, Råsten-Almqvist P, Schlaud M, Sidebotham P et al. (2006)
Sudden infant death syndrome (SIDS)--standardised investigations and classification: recommendations
Forensic Sci Int, 165 (2-3), 129-43
DOI 10.1016/j.forsciint.2006.05.028, PubMed 16806765

Hauge Opdal S, Melien Ø, Rootwelt H, Vege A, Arnestad M, Ole Rognum T (2006)
The G protein beta3 subunit 825C allele is associated with sudden infant death due to infection
Acta Paediatr, 95 (9), 1129-32
DOI 10.1080/08035250600580529, PubMed 16938762

Hegstad S, Øiestad EL, Johansen U, Christophersen AS (2006)
Determination of benzodiazepines in human urine using solid-phase extraction and high-performance liquid chromatography-electrospray ionization tandem mass spectrometry
J Anal Toxicol, 30 (1), 31-7
DOI 10.1093/jat/30.1.31, PubMed 16620529

Høiseth G, Bramness JG, Christophersen AS, Mørland J (2006)
Carisoprodol intoxications: a retrospective study of forensic autopsy material from 1992-2003
Int J Legal Med, 121 (5), 403-9
DOI 10.1007/s00414-006-0139-1, PubMed 17115170

Høiseth G, Karinen R, Christophersen AS, Olsen L, Normann PT, Mørland J (2006)
A study of ethyl glucuronide in post-mortem blood as a marker of ante-mortem ingestion of alcohol
Forensic Sci Int, 165 (1), 41-5
DOI 10.1016/j.forsciint.2006.02.045, PubMed 16564658

Høiseth G, Løvåsdal Ø, Titze TK, Bramness JG, Bachs L (2006)
[Psychiatric and cognitive long-term effects of ecstasy]
Tidsskr Nor Laegeforen, 126 (5), 596-8
PubMed 16505868

Kristoffersen L, Stormyhr LE, Smith-Kielland A (2006)
Headspace gas chromatographic determination of ethanol: the use of factorial design to study effects of blood storage and headspace conditions on ethanol stability and acetaldehyde formation in whole blood and plasma
Forensic Sci Int, 161 (2-3), 151-7
DOI 10.1016/j.forsciint.2006.03.034, PubMed 16843627

Kristoffersen L, Øiestad EL, Opdal MS, Krogh M, Lundanes E, Christophersen AS (2006)
Simultaneous determination of 6 beta-blockers, 3 calcium-channel antagonists, 4 angiotensin-II antagonists and 1 antiarrhythmic drug in post-mortem whole blood by automated solid phase extraction and liquid chromatography mass spectrometry. Method development and robustness testing by experimental design
J Chromatogr B Analyt Technol Biomed Life Sci, 850 (1-2), 147-60
DOI 10.1016/j.jchromb.2006.11.030, PubMed 17175206

Vindenes V, Handal M, Ripel A, Boix F, Mørland J (2006)
Conditioned place preference induced by morphine and morphine-6-glucuronide in mice
Pharmacol Biochem Behav, 85 (2), 292-7
DOI 10.1016/j.pbb.2006.08.010, PubMed 17011617

Øiestad EL, Johansen U, Christophersen AS (2006)
Drug screening of preserved oral fluid by liquid chromatography-tandem mass spectrometry
Clin Chem, 53 (2), 300-9
DOI 10.1373/clinchem.2006.074237, PubMed 17158196

Publications 2005

Arnestad M, Vege A, Rognum TO, Isaksen CV (2005)
Sudden infant death syndrome not caused by Norwegian Jervell and Lange-Nielsen mutations
Am J Med Genet A, 134 (4), 459-60
DOI 10.1002/ajmg.a.30614, PubMed 15704132

Gola AA, D'Anna B, Feilberg KL, Sellevag SR, Bache-Andreassen L, Nielsen CJ (2005)
Kinetic isotope effects in the gas phase reactions of OH and Cl with CH3Cl, CD3Cl, and (CH3Cl)-C-13
Atmos. Chem. Phys., 5, 2395-2402
DOI 10.5194/acp-5-2395-2005

Haugaa KH, Berge KE, Früh A, Anfinsen OG, Arnestad M, Hallerud M, Gjesdal K, Leren TP, Amlie JP (2005)
[Cardiac ion channel disorders--diagnosis and treatment]
Tidsskr Nor Laegeforen, 125 (20), 2778-81
PubMed 16244679

Høiseth G, Hjelmeland K, Bachs L (2005)
[Phencyclidine--angel dust]
Tidsskr Nor Laegeforen, 125 (20), 2775-6
PubMed 16244678

Høiseth G, Olsnes S (2005)
[Ricin--a therapeutic agent and a biological weapon]
Tidsskr Nor Laegeforen, 125 (18), 2477-9
PubMed 16186864

Kristoffersen L, Skuterud B, Larssen BR, Skurtveit S, Smith-Kielland A (2005)
Fast quantification of ethanol in whole blood specimens by the enzymatic alcohol dehydrogenase method. Optimization by experimental design
J Anal Toxicol, 29 (1), 66-70
DOI 10.1093/jat/29.1.66, PubMed 15808017

Kristoffersen L, Smith-Kielland A (2005)
An automated alcohol dehydrogenase method for ethanol quantification in urine and whole blood
J Anal Toxicol, 29 (5), 387-9
DOI 10.1093/jat/29.5.387, PubMed 16105266

Laerdahl JK, Civcir PU, Bache-Andreassen L, Uggerud E (2005)
Nucleophilic identity substitution reactions. The reaction between hydrogen fluoride and protonated alkyl fluorides
Org Biomol Chem, 4 (1), 135-41
DOI 10.1039/b513315g, PubMed 16358008

Morag RM, DeSouza S, Steen PA, Salem A, Harris M, Ohnstad O, Fosen JT, Brenner BE (2005)
Performing procedures on the newly deceased for teaching purposes: what if we were to ask?
Arch Intern Med, 165 (1), 92-6
DOI 10.1001/archinte.165.1.92, PubMed 15642881

Nielsen SB, Øiestad ML, Bojesen G, Uggerud E (2005)
Binding of molecular oxygen and alkenes to coordinatively unsaturated bipyridinium metal complexes int the gas phase
International Journal of Mass Spectrometry , 243, p 231-239
PublikaID 452

Stray-Pedersen A, Arnestad M, Vege A, Sveum L, Rognum TO (2005)
[Bed sharing and sudden infant death]
Tidsskr Nor Laegeforen, 125 (21), 2919-21
PubMed 16276370

Publications 2004

Arnestad M, Rognum TO (2004)
[Sleepiness and fatal traffic accidents]
Tidsskr Nor Laegeforen, 124 (16), 2155
PubMed 15334147

Bache-Andreassen L, Uggerud E (2004)
Trends in alkyl substituent effects on nucleophilic reactions of carbonyl compounds: gas phase reactions between amines and the methoxy methyl cation
Eur J Mass Spectrom (Chichester), 10 (2), 233-8
DOI 10.1255/ejms.533, PubMed 15103101

Brevig T, Arnestad M, Mørland J, Skullerud K, Rognum TO (2004)
[Of what significance are diseases, intoxication and suicide in fatal traffic accidents?]
Tidsskr Nor Laegeforen, 124 (7), 916-9
PubMed 15060635

Lilleng PK, Mehlum LI, Bachs L, Morild I (2004)
Deaths after intravenous misuse of transdermal fentanyl
J Forensic Sci, 49 (6), 1364-6
PubMed 15568716

Publications 2003

Bache-Andreassen L, Uggerud E (2003)
Trends in alkyl substituent effects on nucleophilic reactions of carbonyl compounds: gas phase reactions between ammonia and R1R2COCH3+ oxonium ions
Org Biomol Chem, 1 (4), 705-13
DOI 10.1039/b209955c, PubMed 12929458

Bachs L, Skurtveit S, Mørland J (2003)
Codeine and clinical impairment in samples in which morphine is not detected
Eur J Clin Pharmacol, 58 (12), 785-9
DOI 10.1007/s00228-003-0561-y, PubMed 12698303

Bachs L, Waal H (2003)
[Naltrexone in the treatment of addiction]
Tidsskr Nor Laegeforen, 123 (12), 1665-7
PubMed 12821984

Laerdahl JK, Bache-Andreassen L, Uggerud E (2003)
Nucleophilic identity substitution reactions. The reaction between ammonia and protonated amines
Org Biomol Chem, 1 (16), 2943-50
DOI 10.1039/b302270f, PubMed 12968346

Publications 2002

Arnestad M, Opdal SH, Musse MA, Vege A, Rognum TO (2002)
Are substitutions in the first hypervariable region of the mitochondrial DNA displacement-loop in sudden infant death syndrome due to maternal inheritance?
Acta Paediatr, 91 (10), 1060-4
DOI 10.1080/080352502760311557, PubMed 12434891

Arnestad M, Vege A, Rognum TO (2002)
Evaluation of diagnostic tools applied in the examination of sudden unexpected deaths in infancy and early childhood
Forensic Sci Int, 125 (2-3), 262-8
DOI 10.1016/s0379-0738(02)00009-9, PubMed 11909674

Frøen JF, Arnestad M, Vege A, Irgens LM, Rognum TO, Saugstad OD, Stray-Pedersen B (2002)
Comparative epidemiology of sudden infant death syndrome and sudden intrauterine unexplained death
Arch Dis Child Fetal Neonatal Ed, 87 (2), F118-21
DOI 10.1136/fn.87.2.f118, PubMed 12193518

Molander P, Thomassen A, Kristoffersen L, Greibrokk T, Lundanes E (2002)
Simultaneous determination of citalopram, fluoxetine, paroxetine and their metabolites in plasma by temperature-programmed packed capillary liquid chromatography with on-column focusing of large injection volumes
J Chromatogr B Analyt Technol Biomed Life Sci, 766 (1), 77-87
DOI 10.1016/s0378-4347(01)00433-9, PubMed 11820298

Publications 2001

Arnestad M, Andersen M, Vege A, Rognum TO (2001)
Changes in the epidemiological pattern of sudden infant death syndrome in southeast Norway, 1984-1998: implications for future prevention and research
Arch Dis Child, 85 (2), 108-15
DOI 10.1136/adc.85.2.108, PubMed 11466184

Bache-Andreassen L, Uggerud E (2001)
A mechanistic investigation of the reactions between the tert-butyl methylene oxonium ion [CH2OC(CH3)(3)(+)] and ammonia: competition between substitution, addition-elimination, and elimination
Int. J. Mass Spectrom., 210 (1-3), 459-468
DOI 10.1016/S1387-3806(01)00437-7

Bachs L, Mørland H (2001)
Acute cardiovascular fatalities following cannabis use
Forensic Sci Int, 124 (2-3), 200-3
DOI 10.1016/s0379-0738(01)00609-0, PubMed 11792512

Bramness JG, Arnestad M, Karinen R, Hilberg T (2001)
Fatal overdose of zopiclone in an elderly woman with bronchogenic carcinoma
J Forensic Sci, 46 (5), 1247-9
PubMed 11569575

Frøen JF, Arnestad M, Frey K, Vege A, Saugstad OD, Stray-Pedersen B (2001)
Risk factors for sudden intrauterine unexplained death: epidemiologic characteristics of singleton cases in Oslo, Norway, 1986-1995
Am J Obstet Gynecol, 184 (4), 694-702
DOI 10.1067/mob.2001.110697, PubMed 11262474

Øiestad ML, Petersen AC, Bakken V, Vedde J, Uggerud E (2001)
The oxidative power of protonated hydrogen peroxide
Angewandte Chemie, 113, p. 1345-1349
PublikaID 450

Publications 2000

Bache-Andreassen L, Uggerud E (2000)
Mechanisms of reactions between ammonia and methylene oxonium ions: immonium ion formation versus transfer of the oxygen substituent
Int. J. Mass Spectrom., 195, 171-184
DOI 10.1016/S1387-3806(99)00200-6

Øiestad EL, Harvey JN, Uggerud E (2000)
Unimolecular reactions of protonated hydrogen peroxide: A quantum chemical survey
Journal of Physical Chemistry A, 104, 8382-8388
DOI 10.1021/jp000480g, PublikaID 369

Øiestad EL, Uggerud E (2000)
Dipolar H-2 activation by H2O
Chemical Communications, 1 (10), 831-832
DOI 10.1039/b001209m, PublikaID 370

Øiestad EL, Uggerud E (2000)
Competition between proton transfer and hydride abstraction in chemical ionisation mass spectrometry of ethylamine
International Journal of Mass Spectrometry, 199 (1-3), 91-105
PublikaID 371

Øiestad ML, Uggerud E (2000)
Mediatiors for hydrogenation of carbon monoxide: theoretical study of addition of H2 to HCO+ in the presence of CO or H2O
International Journal of Mass Spectrometry , 201, p. 179-185
PublikaID 448

Øiestad ML, Uggerud E (2000)
Gas phase reactivity of small cationic cobalt clusters towards methanol
Chemical Physics , 262, p. 169-177
PublikaID 449

Publications 1999

Kristoffersen L, Bugge A, Lundanes E, Slørdal L (1999)
Simultaneous determination of citalopram, fluoxetine, paroxetine and their metabolites in plasma and whole blood by high-performance liquid chromatography with ultraviolet and fluorescence detection
J Chromatogr B Biomed Sci Appl, 734 (2), 229-46
DOI 10.1016/s0378-4347(99)00352-7, PubMed 10595721

Uggerud E, Bache-Andreassen L (1999)
Theoretical models and experimental data for reactions between water and protonated alcohols: Substitution and elimination mechanisms
Chem.-Eur. J., 5 (6), 1917-1930
DOI 10.1002/(SICI)1521-3765(19990604)5:6<1917::AID-CHEM1917>3.0.CO;2-R

Øiestad EL, Uggerud E (1999)
The unimolecular chemistry of protonated hydroxylamine
International Journal of Mass Spectrometry, 185, 231-240
PublikaID 368

Publications 1997

Arnestad M, Andersen M, Rognum TO (1997)
Is the use of dummy or carry-cot of importance for sudden infant death?
Eur J Pediatr, 156 (12), 968-70
DOI 10.1007/s004310050753, PubMed 9453383

Øiestad EL, Uggerud E (1997)
Unimolecular reactions of protonated hydrazine. Reaction mechanisms and dynamics from observation of metastable ion fragmentations and ab initio calculations
International Journal of Mass Spectrometry, 165, 39-47
PublikaID 367

Øiestad ML, Uggerud E (1997)
Loss of H2 from CH2NH2+ and NHNH2+. Reaction mechanisms and dynamics from observation of metastable ion fragmentations and ab initio calculations
International Journal of Mass Spectrometry and Ion Processes, 167/168, p 117-126
PublikaID 447

Publications 1995

Andersen M, Arnestad M, Rognum TO, Vege A (1995)
[Crib death in the eastern regions of Norway 1984-1992. A survey of risk factors]
Tidsskr Nor Laegeforen, 115 (1), 34-7
PubMed 7846657

Øiestad EL, Øiestad ML, Skaane H, Ruud K, Helgaker T, Uggerud E (1995)
Loss of H-2 from CH3NH3+, CH3OH2+ and CH3FH+ - Reaction-Mechanisms and Dynamics from Observation of Metastable Ion Fragmentations and Ab-Initio Calculations Reaction-Mechanisms
Europeamn Mass Spectrometry, 1 (2), 121-129
PublikaID 366

Publications 1990

Ingum J, Beylich KM, Olsen KM, Monge PK, Strand DH, Bjørneboe A, Mørland J (1990)
Determination of breath-ethanol concentration by Intoxilyzer 5000
Acta Med Leg Soc (Liege), 40, 115-22
PubMed 2135843