Publications 2024

Shafi DES, Jørgensen KN, Bjella T, Nesvåg R, Dieset I, Melle I, Andreassen OA, Jönsson EG (2024)
Prescriptions of psychotropic and somatic medications among patients with severe mental disorders and healthy controls in a naturalistic study
Nord J Psychiatry, 78 (3), 212-219
DOI 10.1080/08039488.2024.2305806, PubMed 38306243

Publications 2023

Reponen EJ, Ueland T, Rokicki J, Bettella F, Aas M, Werner MCF, Dieset I, Steen NE, Andreassen OA, Tesli M (2023)
Polygenic risk for schizophrenia and bipolar disorder in relation to cardiovascular biomarkers
Eur Arch Psychiatry Clin Neurosci, 274 (5), 1223-1230
DOI 10.1007/s00406-023-01591-0, PubMed 37145175

Publications 2022

Faerden A, Rosenqvist C, Håkansson M, Strøm-Gundersen E, Stav Å, Svartsund J, Røssæg T, Davik N, Kvarstein E, Pedersen G, Dieset I, Nyrud AQ, Weedon-Fekjær H, Kistorp KM (2022)
Environmental Transformations Enhancing Dignity in an Acute Psychiatric Ward: Outcome of a User-Driven Service Design Project
HERD, 16 (2), 55-72
DOI 10.1177/19375867221136558, PubMed 36567605

Hjell G, Szabo A, Mørch-Johnsen L, Holst R, Tesli N, Bell C, Fischer-Vieler T, Werner MCF, Lunding SH, Ormerod MBEG, Johansen IT, Dieset I, Djurovic S, Melle I, Ueland T, Andreassen OA, Steen NE, Haukvik UK (2022)
Interleukin-18 signaling system links to agitation in severe mental disorders
Psychoneuroendocrinology, 140, 105721
DOI 10.1016/j.psyneuen.2022.105721, PubMed 35301151

Publications 2021

Dieset I, Løvhaug L, Selle M, Kolseth A, Smeland OB, Færden A (2021)
Lessons learned from a cross-sectional survey among patients and staff in an acute psychiatric unit during an ongoing pandemic outbreak
Psychiatry Res, 298, 113779
DOI 10.1016/j.psychres.2021.113779, PubMed 33561619

Fjukstad KK, Athanasiu L, Bahrami S, O'Connell KS, van der Meer D, Bettella F, Dieset I, Steen NE, Djurovic S, Spigset O, Andreassen OA (2021)
Genetic variants associated with cardiometabolic abnormalities during treatment with selective serotonin reuptake inhibitors: a genome-wide association study
Pharmacogenomics J, 21 (5), 574-585
DOI 10.1038/s41397-021-00234-8, PubMed 33824429

Reponen EJ, Tesli M, Dieset I, Steen NE, Vedal TSJ, Szabo A, Werner MCF, Lunding SH, Johansen IT, Rødevand LN, Andreassen OA, Ueland T (2021)
Adiponectin Is Related to Cardiovascular Risk in Severe Mental Illness Independent of Antipsychotic Treatment
Front Psychiatry, 12, 623192
DOI 10.3389/fpsyt.2021.623192, PubMed 34122163

Publications 2020

Færden A, Bølgen B, Løvhaug L, Thoresen C, Dieset I (2020)
Patient satisfaction and acute psychiatric inpatient treatment
Nord J Psychiatry, 74 (8), 577-584
DOI 10.1080/08039488.2020.1764620, PubMed 32427019

Reponen EJ, Dieset I, Tesli M, Mørch RH, Aas M, Vedal TSJ, Haug E, Drange OK, Steen NE, Hope S, Szabo A, Gohar SM, Wedervang-Resell K, Djurovic S, Melle I, Aukrust P, Andreassen OA, Ueland T (2020)
Atherogenic Lipid Ratios Related to Myeloperoxidase and C-Reactive Protein Levels in Psychotic Disorders
Front Psychiatry, 11, 672
DOI 10.3389/fpsyt.2020.00672, PubMed 32754070

Szabo A, Akkouh IA, Ueland T, Lagerberg TV, Dieset I, Bjella T, Aukrust P, Le Hellard S, Stavrum AK, Melle I, Andreassen OA, Djurovic S (2020)
Cannabis Use Is Associated With Increased Levels of Soluble gp130 in Schizophrenia but Not in Bipolar Disorder
Front Psychiatry, 11, 642
DOI 10.3389/fpsyt.2020.00642, PubMed 32714224

Publications 2019

Gohar SM, Dieset I, Steen NE, Mørch RH, Vedal TSJ, Reponen EJ, Steen VM, Andreassen OA, Melle I (2019)
Association between leptin levels and severity of suicidal behaviour in schizophrenia spectrum disorders
Acta Psychiatr Scand, 139 (5), 464-471
DOI 10.1111/acps.13019, PubMed 30848483

Kroken RA, Sommer IE, Steen VM, Dieset I, Johnsen E (2019)
Constructing the Immune Signature of Schizophrenia for Clinical Use and Research; An Integrative Review Translating Descriptives Into Diagnostics
Front Psychiatry, 9, 753
DOI 10.3389/fpsyt.2018.00753, PubMed 30766494

Mørch RH, Dieset I, Færden A, Reponen EJ, Hope S, Hoseth EZ, Gardsjord ES, Aas M, Iversen T, Joa I, Morken G, Agartz I, Melle I, Aukrust P, Djurovic S, Ueland T, Andreassen OA (2019)
Inflammatory markers are altered in severe mental disorders independent of comorbid cardiometabolic disease risk factors
Psychol Med, 49 (10), 1749-1757
DOI 10.1017/S0033291718004142, PubMed 30688187

Mørch RH, Dieset I, Færden A, Reponen EJ, Hope S, Hoseth EZ, Gardsjord ES, Aas M, Iversen T, Joa I, Morken G, Agartz I, Melle I, Aukrust P, Djurovic S, Ueland T, Andreassen OA (2019)
Inflammatory markers are altered in severe mental disorders independent of comorbid cardiometabolic disease risk factors - ERRATUM
Psychol Med, 49 (10), 1758
DOI 10.1017/S0033291719000291, PubMed 30803457

Quintana DS, Rokicki J, van der Meer D, Alnæs D, Kaufmann T, Córdova-Palomera A, Dieset I, Andreassen OA, Westlye LT (2019)
Oxytocin pathway gene networks in the human brain
Nat Commun, 10 (1), 668
DOI 10.1038/s41467-019-08503-8, PubMed 30737392

Rødevand L, Steen NE, Elvsåshagen T, Quintana DS, Reponen EJ, Mørch RH, Lunding SH, Vedal TSJ, Dieset I, Melle I, Lagerberg TV, Andreassen OA (2019)
Cardiovascular risk remains high in schizophrenia with modest improvements in bipolar disorder during past decade
Acta Psychiatr Scand, 139 (4), 348-360
DOI 10.1111/acps.13008, PubMed 30697685

Steen NE, Dieset I, Hope S, Vedal TSJ, Smeland OB, Matson W, Kaddurah-Daouk R, Agartz I, Melle I, Djurovic S, Jönsson EG, Bogdanov M, Andreassen OA (2019)
Metabolic dysfunctions in the kynurenine pathway, noradrenergic and purine metabolism in schizophrenia and bipolar disorders
Psychol Med, 50 (4), 595-606
DOI 10.1017/S0033291719000400, PubMed 30867076

Vedal TSJ, Steen NE, Birkeland KI, Dieset I, Reponen EJ, Laskemoen JF, Rødevand L, Melle I, Andreassen OA, Molden E, Jönsson EG (2019)
Adipokine levels are associated with insulin resistance in antipsychotics users independently of BMI
Psychoneuroendocrinology, 103, 87-95
DOI 10.1016/j.psyneuen.2019.01.001, PubMed 30659986

Publications 2018

Dieset I, Mørch RH, Hope S, Hoseth EZ, Reponen EJ, Gran JM, Aas M, Michelsen AE, Reichborn-Kjennerud T, Nesvåg R, Agartz I, Melle I, Aukrust P, Djurovic S, Ueland T, Andreassen OA (2018)
An association between YKL-40 and type 2 diabetes in psychotic disorders
Acta Psychiatr Scand, 139 (1), 37-45
DOI 10.1111/acps.12971, PubMed 30328100

Faerden A, Lyngstad SH, Simonsen C, Ringen PA, Papsuev O, Dieset I, Andreassen OA, Agartz I, Marder SR, Melle I (2018)
Reliability and validity of the self-report version of the apathy evaluation scale in first-episode Psychosis: Concordance with the clinical version at baseline and 12 months follow-up
Psychiatry Res, 267, 140-147
DOI 10.1016/j.psychres.2018.05.065, PubMed 29906681

Gohar SM, Dieset I, Steen NE, Mørch RH, Iversen TS, Steen VM, Andreassen OA, Melle I (2018)
Association between serum lipid levels, osteoprotegerin and depressive symptomatology in psychotic disorders
Eur Arch Psychiatry Clin Neurosci, 269 (7), 795-802
DOI 10.1007/s00406-018-0897-z, PubMed 29721726

Hoseth EZ, Krull F, Dieset I, Mørch RH, Hope S, Gardsjord ES, Steen NE, Melle I, Brattbakk HR, Steen VM, Aukrust P, Djurovic S, Andreassen OA, Ueland T (2018)
Exploring the Wnt signaling pathway in schizophrenia and bipolar disorder
Transl Psychiatry, 8 (1), 55
DOI 10.1038/s41398-018-0102-1, PubMed 29507296

Hoseth EZ, Krull F, Dieset I, Mørch RH, Hope S, Gardsjord ES, Steen NE, Melle I, Brattbakk HR, Steen VM, Aukrust P, Djurovic S, Andreassen OA, Ueland T (2018)
Attenuated Notch signaling in schizophrenia and bipolar disorder
Sci Rep, 8 (1), 5349
DOI 10.1038/s41598-018-23703-w, PubMed 29593239

Vedal TSJ, Steen NE, Birkeland KI, Dieset I, Reponen EJ, Laskemoen JF, Rødevand L, Melle I, Andreassen OA, Molden E, Jönsson EG (2018)
Free thyroxine and thyroid-stimulating hormone in severe mental disorders: A naturalistic study with focus on antipsychotic medication
J Psychiatr Res, 106, 74-81
DOI 10.1016/j.jpsychires.2018.09.014, PubMed 30292780

Vedal TSJ, Steen NE, Birkeland KI, Dieset I, Reponen EJ, Laskemoen JF, Rødevand L, Melle I, Andreassen OA, Molden E, Jönsson EG (2018)
Response: Are thyroid abnormalities only related to antipsychotic treatment in patients with severe mental disorders?
J Psychiatr Res, 117, 150
DOI 10.1016/j.jpsychires.2018.11.012, PubMed 30454945

Zuber V, Jönsson EG, Frei O, Witoelar A, Thompson WK, Schork AJ, Bettella F, Wang Y, Djurovic S, Smeland OB, Dieset I, Fanous AH, Desikan RS, Küry S, Bézieau S, Dale AM, Mills IG, Andreassen OA (2018)
Identification of shared genetic variants between schizophrenia and lung cancer
Sci Rep, 8 (1), 674
DOI 10.1038/s41598-017-16481-4, PubMed 29330379

Aas M, Dieset I, Mørch R, Steen NE, Hope S, Reponen EJ, Laskemoen JF, Ueland T, Aukrust P, Melle I, Agartz I, Andreassen OA (2018)
Reduced brain-derived neurotrophic factor is associated with childhood trauma experiences and number of depressive episodes in severe mental disorders
Schizophr Res, 205, 45-50
DOI 10.1016/j.schres.2018.08.007, PubMed 30126813

Publications 2017

Fjukstad KK, Engum A, Lydersen S, Dieset I, Steen NE, Andreassen OA, Spigset O (2017)
Metabolic risk factors in schizophrenia and bipolar disorder: The effect of comedication with selective serotonin reuptake inhibitors and antipsychotics
Eur Psychiatry, 48, 71-78
DOI 10.1016/j.eurpsy.2017.04.001, PubMed 29331603

Gjerde PB, Dieset I, Simonsen C, Hoseth EZ, Iversen T, Lagerberg TV, Lyngstad SH, Mørch RH, Skrede S, Andreassen OA, Melle I, Steen VM (2017)
Increase in serum HDL level is associated with less negative symptoms after one year of antipsychotic treatment in first-episode psychosis
Schizophr Res, 197, 253-260
DOI 10.1016/j.schres.2017.10.042, PubMed 29129510

Hoseth EZ, Ueland T, Dieset I, Birnbaum R, Shin JH, Kleinman JE, Hyde TM, Mørch RH, Hope S, Lekva T, Abraityte AJ, Michelsen AE, Melle I, Westlye LT, Ueland T, Djurovic S, Aukrust P, Weinberger DR, Andreassen OA (2017)
A Study of TNF Pathway Activation in Schizophrenia and Bipolar Disorder in Plasma and Brain Tissue
Schizophr Bull, 43 (4), 881-890
DOI 10.1093/schbul/sbw183, PubMed 28049760

Iversen TSJ, Steen NE, Dieset I, Hope S, Mørch R, Gardsjord ES, Jørgensen KN, Melle I, Andreassen OA, Molden E, Jönsson EG (2017)
Side effect burden of antipsychotic drugs in real life - Impact of gender and polypharmacy
Prog Neuropsychopharmacol Biol Psychiatry, 82, 263-271
DOI 10.1016/j.pnpbp.2017.11.004, PubMed 29122637

Mørch RH, Dieset I, Faerden A, Hope S, Aas M, Nerhus M, Gardsjord ES, Haram M, Falk RS, Joa I, Morken G, Agartz I, Aukrust P, Djurovic S, Melle I, Ueland T, Andreassen OA (2017)
Persistent increase in TNF and IL-1 markers in severe mental disorders suggests trait-related inflammation: a one year follow-up study
Acta Psychiatr Scand, 136 (4), 400-408
DOI 10.1111/acps.12783, PubMed 28815548

Quintana DS, Dieset I, Elvsåshagen T, Westlye LT, Andreassen OA (2017)
Oxytocin system dysfunction as a common mechanism underlying metabolic syndrome and psychiatric symptoms in schizophrenia and bipolar disorders
Front Neuroendocrinol, 45, 1-10
DOI 10.1016/j.yfrne.2016.12.004, PubMed 28049009

Aas M, Dieset I, Hope S, Hoseth E, Mørch R, Reponen E, Steen NE, Laskemoen JF, Ueland T, Aukrust P, Agartz I, Andreassen OA, Melle I (2017)
Childhood maltreatment severity is associated with elevated C-reactive protein and body mass index in adults with schizophrenia and bipolar diagnoses
Brain Behav Immun, 65, 342-349
DOI 10.1016/j.bbi.2017.06.005, PubMed 28619247

Publications 2016

Dieset I (2016)
Good meetings with patients
Tidsskr. Nor. Laegeforen., 136 (18), 1593

Dieset I, Andreassen OA, Haukvik UK (2016)
Somatic Comorbidity in Schizophrenia: Some Possible Biological Mechanisms Across the Life Span
Schizophr Bull, 42 (6), 1316-1319
DOI 10.1093/schbul/sbw028, PubMed 27033328

Fjukstad KK, Engum A, Lydersen S, Dieset I, Steen NE, Andreassen OA, Spigset O (2016)
Metabolic Abnormalities Related to Treatment With Selective Serotonin Reuptake Inhibitors in Patients With Schizophrenia or Bipolar Disorder
J Clin Psychopharmacol, 36 (6), 615-620
DOI 10.1097/JCP.0000000000000582, PubMed 27749681

Fountoulakis KN, Chatzikosta I, Pastiadis K, Zanis P, Kawohl W, Kerkhof AJ, Navickas A, Höschl C, Lecic-Tosevski D, Sorel E, Rancans E, Palova E, Juckel G, Isacsson G, Jagodic HK, Botezat-Antonescu I, Rybakowski J, Azorin JM, Cookson J, Waddington J, Pregelj P, Demyttenaere K, Hranov LG, Stevovic LI, Pezawas L et al. (2016)
Relationship of suicide rates with climate and economic variables in Europe during 2000-2012
Ann Gen Psychiatry, 15, 19
DOI 10.1186/s12991-016-0106-2, PubMed 27508001

Mørch RH, Dieset I, Færden A, Hope S, Aas M, Nerhus M, Gardsjord ES, Joa I, Morken G, Agartz I, Aukrust P, Djurovic S, Melle I, Ueland T, Andreassen OA (2016)
Inflammatory evidence for the psychosis continuum model
Psychoneuroendocrinology, 67, 189-97
DOI 10.1016/j.psyneuen.2016.02.011, PubMed 26923849

Nerhus M, Berg AO, Kvitland LR, Dieset I, Hope S, Dahl SR, Weibell MA, Romm KL, Faerden A, Andreassen OA, Melle I (2016)
Low vitamin D is associated with negative and depressive symptoms in psychotic disorders
Schizophr Res, 178 (1-3), 44-49
DOI 10.1016/j.schres.2016.08.024, PubMed 27595553

Steen NE, Aas M, Simonsen C, Dieset I, Tesli M, Nerhus M, Gardsjord E, Mørch R, Agartz I, Melle I, Ueland T, Spigset O, Andreassen OA (2016)
Serum levels of second-generation antipsychotics are associated with cognitive function in psychotic disorders
World J Biol Psychiatry, 18 (6), 471-482
DOI 10.1080/15622975.2016.1245441, PubMed 27712130

Steen NE, Aas M, Simonsen C, Dieset I, Tesli M, Nerhus M, Gardsjord E, Mørch R, Agartz I, Melle I, Vaskinn A, Spigset O, Andreassen OA (2016)
Serum concentrations of mood stabilizers are associated with memory, but not other cognitive domains in psychosis spectrum disorders; explorative analyses in a naturalistic setting
Int J Bipolar Disord, 4 (1), 24
DOI 10.1186/s40345-016-0067-z, PubMed 27858347

Tesli M, Wirgenes KV, Hughes T, Bettella F, Athanasiu L, Hoseth ES, Nerhus M, Lagerberg TV, Steen NE, Agartz I, Melle I, Dieset I, Djurovic S, Andreassen OA (2016)
VRK2 gene expression in schizophrenia, bipolar disorder and healthy controls
Br J Psychiatry, 209 (2), 114-20
DOI 10.1192/bjp.bp.115.161950, PubMed 26941264

Publications 2015

Hope S, Hoseth E, Dieset I, Mørch RH, Aas M, Aukrust P, Djurovic S, Melle I, Ueland T, Agartz I, Ueland T, Westlye LT, Andreassen OA (2015)
Inflammatory markers are associated with general cognitive abilities in schizophrenia and bipolar disorder patients and healthy controls
Schizophr Res, 165 (2-3), 188-94
DOI 10.1016/j.schres.2015.04.004, PubMed 25956633

Hoseth EZ, Westlye LT, Hope S, Dieset I, Aukrust P, Melle I, Haukvik UK, Agartz I, Ueland T, Ueland T, Andreassen OA (2015)
Association between cytokine levels, verbal memory and hippocampus volume in psychotic disorders and healthy controls
Acta Psychiatr Scand, 133 (1), 53-62
DOI 10.1111/acps.12467, PubMed 26189721

Steen NE, Aas M, Simonsen C, Dieset I, Tesli M, Nerhus M, Gardsjord E, Mørch R, Agartz I, Melle I, Vaskinn A, Spigset O, Andreassen OA (2015)
Serum level of venlafaxine is associated with better memory in psychotic disorders
Schizophr Res, 169 (1-3), 386-392
DOI 10.1016/j.schres.2015.10.021, PubMed 26516101

Publications 2014

Dieset I, Haukvik UK, Melle I, Røssberg JI, Ueland T, Hope S, Dale AM, Djurovic S, Aukrust P, Agartz I, Andreassen OA (2014)
Association between altered brain morphology and elevated peripheral endothelial markers--implications for psychotic disorders
Schizophr Res, 161 (2-3), 222-8
DOI 10.1016/j.schres.2014.11.006, PubMed 25433965

Haram M, Tesli M, Dieset I, Steen NE, Røssberg JI, Djurovic S, Andreassen OA, Melle I (2014)
An attempt to identify single nucleotide polymorphisms contributing to possible relationships between personality traits and oxytocin-related genes
Neuropsychobiology, 69 (1), 25-30
DOI 10.1159/000356965, PubMed 24458227

Ringen PA, Engh JA, Birkenaes AB, Dieset I, Andreassen OA (2014)
Increased mortality in schizophrenia due to cardiovascular disease - a non-systematic review of epidemiology, possible causes, and interventions
Front Psychiatry, 5, 137
DOI 10.3389/fpsyt.2014.00137, PubMed 25309466

Steen NE, Methlie P, Lorentzen S, Dieset I, Aas M, Nerhus M, Haram M, Agartz I, Melle I, Berg JP, Andreassen OA (2014)
Altered systemic cortisol metabolism in bipolar disorder and schizophrenia spectrum disorders
J Psychiatr Res, 52, 57-62
DOI 10.1016/j.jpsychires.2014.01.017, PubMed 24534618

Publications 2013

Dieset I (2013)
[I. Dieset replies]
Tidsskr Nor Laegeforen, 133 (7), 732-3
DOI 10.4045/tidsskr.13.0365, PubMed 23588165

Dieset I (2013)
Response to Li and Su letter
Am J Psychiatry, 170 (5), 561
DOI 10.1176/appi.ajp.2013.12121529r, PubMed 23632840

Etain B, Aas M, Andreassen OA, Lorentzen S, Dieset I, Gard S, Kahn JP, Bellivier F, Leboyer M, Melle I, Henry C (2013)
Childhood trauma is associated with severe clinical characteristics of bipolar disorders
J Clin Psychiatry, 74 (10), 991-8
DOI 10.4088/JCP.13m08353, PubMed 24229750

Hope S, Ueland T, Steen NE, Dieset I, Lorentzen S, Berg AO, Agartz I, Aukrust P, Andreassen OA (2013)
Interleukin 1 receptor antagonist and soluble tumor necrosis factor receptor 1 are associated with general severity and psychotic symptoms in schizophrenia and bipolar disorder
Schizophr Res, 145 (1-3), 36-42
DOI 10.1016/j.schres.2012.12.023, PubMed 23403415

Publications 2012

Dieset I, Djurovic S, Tesli M, Hope S, Mattingsdal M, Michelsen A, Joa I, Larsen TK, Agartz I, Melle I, Røssberg JI, Aukrust P, Andreassen OA, Ueland T (2012)
Up-regulation of NOTCH4 gene expression in bipolar disorder
Am J Psychiatry, 169 (12), 1292-300
DOI 10.1176/appi.ajp.2012.11091431, PubMed 23212060

Dieset I, Hope S, Ueland T, Bjella T, Agartz I, Melle I, Aukrust P, Røssberg JI, Andreassen OA (2012)
Cardiovascular risk factors during second generation antipsychotic treatment are associated with increased C-reactive protein
Schizophr Res, 140 (1-3), 169-74
DOI 10.1016/j.schres.2012.06.040, PubMed 22817875

Publications 2011

Hope S, Dieset I, Agartz I, Steen NE, Ueland T, Melle I, Aukrust P, Andreassen OA (2011)
Affective symptoms are associated with markers of inflammation and immune activation in bipolar disorders but not in schizophrenia
J Psychiatr Res, 45 (12), 1608-16
DOI 10.1016/j.jpsychires.2011.08.003, PubMed 21889167

Publications 2006

Haukvik UK, Dieset I, Bjøro T, Holte H, Fosså SD (2006)
Treatment-related premature ovarian failure as a long-term complication after Hodgkin's lymphoma
Ann Oncol, 17 (9), 1428-33
DOI 10.1093/annonc/mdl149, PubMed 16831852