Publications PRo HEALTHcare

Publications 2025

  1. Amdal CD, Falk RS, Alanya A, Schlichting M, Roychoudhury S, Bhatnagar V, Wintner LM, Regnault A, Ingelgård A, Coens C, le Cessie S, Holzner B, Chang J, Taphoorn M, Cislo P, Giesinger JM, Cappelleri JC, Pawar V, Ten Seldam S, Papadopoulos EJ, Calvert MJ, Joseph KL, Bottomley A, Griebsch I, Arraras JI et al. (2025)
    SISAQOL-IMI consensus-based guidelines to design, analyse, interpret, and present patient-reported outcomes in cancer clinical trials
    Lancet Oncol, 26 (12), e683-e693
    DOI 10.1016/S1470-2045(25)00520-0, PubMed 41308689
  2. Asphaug L, Akslen LA, Blix ES, Boge B, Borgen EF, Brekke MB, Falk RS, Geitvik GA, Gilje B, Gravdehaug B, Heie A, Janssen E, Kiserud CE, Kursetgjerde T, Langerød A, Lømo J, Mannsåker B, Mortensen E, Olsson P, Porojnicu AC, Raj SX, Roe OD, Russnes HEG, Skjerven HK, Songe-Møller S et al. (2025)
    Cost-effectiveness of Prosigna for Adjuvant Treatment Decisions in Early Breast Cancer: Healthcare Sector and Societal Perspectives
    Clin Breast Cancer, 25 (6), e721-e730
    DOI 10.1016/j.clbc.2025.04.011, PubMed 40348620
  3. Bekkenes ME, Jørgensen MM, Jacobsen AF, Fagerland MW, Rakstad-Larsen H, Aaberge L, Klingenberg O, Steinsvik T, Asphaug L, Rosseland LA (2025)
    Effects of Prophylactic Oxytocin or Carbetocin on Troponin Release and Postpartum Haemorrhage at Planned Caesarean Delivery: A Double-Blind Randomised Controlled Trial
    BJOG, 132 (12), 1742-1752
    DOI 10.1111/1471-0528.18312, PubMed 40772429
  4. Bekkenes ME, Jørgensen MM, Jacobsen AF, Fagerland MW, Rakstad-Larsen H, Aaberge L, Klingenberg O, Steinsvik T, Asphaug L, Rosseland LA (2025)
    Author Response
    BJOG (in press)
    DOI 10.1111/1471-0528.70078, PubMed 41216807
  5. Jansen F, Eerenstein SE, Taylor KJ, Amdal CD, Bjordal K, Astrup GL, Herlofson BB, Duprez F, Gama RR, Jacinto AA, Hammerlid E, Scricciolo M, Fanetti G, Guntinas-Lichius O, Inhestern J, Dragan T, Fabian A, Boehm A, Wöhner U, Kiyota N, Krüger M, Bonomo P, Pinto M, Nuyts S, Silva JC et al. (2025)
    Unmet supportive care needs among head and neck cancer survivors beyond 5 years after diagnosis: a multinational cohort study
    Lancet Reg Health Eur, 59, 101495
    DOI 10.1016/j.lanepe.2025.101495, PubMed 41142659
  6. Piccinin C, Aaronson NK, Bjordal K, Coens C, Darlington AS, Efficace F, Fitzsimmons D, Giesinger JM, Gilbert A, Holzner B, Kuliś D, Nolte S, Pe M, Petersen MA, Reijneveld JC, Singer S, Sprangers MAG, Taphoorn MJB, Tomaszewski KA, van de Poll-Franse L, Velikova G, Wheelwright S, Groenvold M, EORTC Quality of Life Group (2025)
    Flexibility in patient-reported outcome and health-related quality of life measurement: The EORTC Quality of Life Group measurement strategy
    Eur J Cancer, 220, 115392
    DOI 10.1016/j.ejca.2025.115392, PubMed 40194468
  7. Polster A, Olsen U, Asphaug L, Bergsmark K, Christensen B, Haugen IK, Hennig T, Hermann-Eriksen M, Hove Å, Sjøvold T, Sexton J, Tveter AT, Kjeken I (2025)
    Occupational therapist-led versus rheumatologist-led care in people with hand osteoarthritis in Norway: an open-label, multicentre, randomised controlled, non-inferiority trial
    Lancet Rheumatol, 7 (8), e533-e543
    DOI 10.1016/S2665-9913(25)00040-2, PubMed 40513596
  8. Singer S, Amdal CD, Bjordal K, Herlofson BB, Astrup GL, Boehm A, Wöhner U, Hammerlid E, Gama RR, Jacinto AA, Jansen F, Verdonck-de Leeuw IM, Dragan T, Duprez F, Kiyota N, Pinto M, Krüger M, Guntinas-Lichius O, Inhestern J, Tramacere F, Bonomo P, Fanetti G, Nuyts S, Plath M, Stempler N et al. (2025)
    Late Toxicity and Long-Term Quality of Life in Survivors of Cancer of the Major Salivary Glands More Than 5 Years After Diagnosis: A Multi-National Study
    Head Neck, 48 (1), 13-25
    DOI 10.1002/hed.28263, PubMed 40747834
  9. Taylor KJ, Amdal CD, Bjordal K, Astrup GL, Herlofson BB, Duprez F, Gama RR, Jacinto A, Hammerlid E, Scricciolo M, Jansen F, Verdonck-de Leeuw IM, Fanetti G, Guntinas-Lichius O, Inhestern J, Dragan T, Fabian A, Boehm A, Wöhner U, Kiyota N, Krüger M, Bonomo P, Pinto M, Nuyts S, Silva JC et al. (2025)
    Reply to 'Comment on "Toxicities in long-term survivors of head and neck cancer-A multi-national cross-sectional analysis"'
    Int J Cancer (in press)
    DOI 10.1002/ijc.70292, PubMed 41409034
  10. Taylor KJ, Amdal CD, Bjordal K, Astrup GL, Herlofson BB, Duprez F, Gama RR, Jacinto A, Hammerlid E, Scricciolo M, Jansen F, Verdonck-de Leeuw IM, Fanetti G, Guntinas-Lichius O, Inhestern J, Dragan T, Fabian A, Boehm A, Wöhner U, Kiyota N, Krüger M, Bonomo P, Pinto M, Nuyts S, Silva JC et al. (2025)
    Toxicities in long-term survivors of head and neck cancer-A multi-national cross-sectional analysis
    Int J Cancer, 157 (10), 2061-2070
    DOI 10.1002/ijc.70033, PubMed 40735927
  11. Westgaard KL, Amdal CD, Taylor KJ, Falk RS, Bjordal K, Singer S, Hammerlid E, Krüger M, Stromberger C, Guntinas-Lichius O, Duprez F, Stempler N, Yarom N, Papadopoulou E, Herlofson BB (2025)
    Oral health-related quality of life among long-term head and neck cancer survivors: a multinational study
    Support Care Cancer, 33 (10), 868
    DOI 10.1007/s00520-025-09930-8, PubMed 40975748
  12. Westgaard KL, Amdal CD, Taylor KJ, Falk RS, Bjordal K, Singer S, Hammerlid E, Krüger M, Stromberger C, Guntinas-Lichius O, Duprez F, Stempler N, Yarom N, Papadopoulou E, Herlofson BB (2025)
    Correction to: Oral health‑related quality of life among long‑term head and neck cancer survivors: a multinational study
    Support Care Cancer, 33 (10), 894
    DOI 10.1007/s00520-025-09991-9, PubMed 41032125

Publications 2024

  1. Huynh TM, Falk RS, Hellebust TP, Dale E, Astrup GL, Hjermstad MJ, Malinen E, Bjordal K, Kiserud CE, Herlofson BB, Nome R, Amdal CD (2024)
    Chronic fatigue in long-term survivors of head and neck cancer treated with radiotherapy
    Radiother Oncol, 195, 110231
    DOI 10.1016/j.radonc.2024.110231, PubMed 38518958
  2. Löffeler S, Bertilsson H, Müller C, Aas K, Haugnes HS, Aksnessæther B, Pesonen M, Thon K, Tandstad T, Murtola T, Poulsen MH, Nordstrøm T, Vigmostad MN, Ottosson F, Holmsten K, Christiansen O, Slaaen M, Haug ES, Storås AH, Asphaug L, Rannikko A, Brasso K, Scandinavian Prostate Cancer Group (SPCG) and the Norwegian Get‐Randomized (GRand) Initiative (2024)
    Protocol of a randomised, controlled trial comparing immediate curative therapy with conservative treatment in men aged ≥75 years with non-metastatic high-risk prostate cancer (SPCG 19/GRand-P)
    BJU Int, 133 (6), 680-689
    DOI 10.1111/bju.16314, PubMed 38469686
  3. Singer S, Hammerlid E, Tomaszewska IM, Amdal CD, Herlofson BB, Santos M, Castro Silva J, Mehanna H, Fullerton A, Young T, Fernandez Gonzalez L, Inhestern J, Pinto M, Arraras JI, Yarom N, Bonomo P, Baumann I, Galalae R, Nicolatou-Galitis O, Kiyota N, Raber-Durlacher J, Salem D, Fabian A, Boehm A, Krejovic-Trivic S et al. (2024)
    The european organisation for research and treatment of cancer head and neck cancer module (EORTC QLQ-HN43): Estimates for minimal important difference and minimal important change
    Eur J Cancer, 212, 115062
    DOI 10.1016/j.ejca.2024.115062, PubMed 39405647
  4. Taylor KJ, Amdal CD, Bjordal K, Astrup GL, Herlofson BB, Duprez F, Gama RR, Jacinto A, Hammerlid E, Scricciolo M, Jansen F, Verdonck-de Leeuw IM, Fanetti G, Guntinas-Lichius O, Inhestern J, Dragan T, Fabian A, Boehm A, Wöhner U, Kiyota N, Krüger M, Bonomo P, Pinto M, Nuyts S, Silva JC et al. (2024)
    Long-term health-related quality of life in head and neck cancer survivors: A large multinational study
    Int J Cancer, 154 (10), 1772-1785
    DOI 10.1002/ijc.34861, PubMed 38312044
  5. Vervaart M (2024)
    Calculating the Expected Net Benefit of Sampling for Survival Data: A Tutorial and Case Study
    Med Decis Making, 44 (7), 719-741
    DOI 10.1177/0272989X241279459, PubMed 39305058

Publications 2023

  1. Amdal CD, Moan JM, Dale E, Falk RS, Johansen S, Bjordal K (2023)
    Impact of hyperfractionated re-irradiation on quality of life in patients with recurrent or second primary head and neck cancer, a prospective single institutional study
    Clin Transl Radiat Oncol, 42, 100654
    DOI 10.1016/j.ctro.2023.100654, PubMed 37415638
  2. Heggebø LC, Borgen IMH, Rylander H, Kiserud C, Nordenmark TH, Hellebust TP, Evensen ME, Gustavsson M, Ramberg C, Sprauten M, Magelssen H, Blakstad H, Moorthy J, Andersson K, Raunert I, Henry T, Moe C, Granlund C, Goplen D, Brekke J, Johannessen TA, Solheim TS, Marienhagen K, Humberset Ø, Bergström P et al. (2023)
    Investigating survival, quality of life and cognition in PROton versus photon therapy for IDH-mutated diffuse grade 2 and 3 GLIOmas (PRO-GLIO): a randomised controlled trial in Norway and Sweden
    BMJ Open, 13 (3), e070071
    DOI 10.1136/bmjopen-2022-070071, PubMed 36940951
  3. Huynh TM, Dale E, Falk RS, Hellebust TP, Astrup GL, Malinen E, Edin NFJ, Bjordal K, Herlofson BB, Kiserud CE, Helland Å, Amdal CD (2023)
    Radiation-induced long-term dysphagia in survivors of head and neck cancer and association with dose-volume parameters
    Radiother Oncol, 190, 110044
    DOI 10.1016/j.radonc.2023.110044, PubMed 38061420
  4. Joseph KL, Dagfinrud H, Hagen KB, Nordén KR, Fongen C, Wold OM, Hinman RS, Nelligan RK, Bennell KL, Tveter AT (2023)
    Adherence to a Web-based Exercise Programme: A Feasibility Study Among Patients with Hip or Knee Osteoarthritis
    J Rehabil Med, 55, jrm7139
    DOI 10.2340/jrm.v55.7139, PubMed 37578100
  5. Pe M, Alanya A, Falk RS, Amdal CD, Bjordal K, Chang J, Cislo P, Coens C, Dirven L, Speck RM, Fitzgerald K, Galinsky J, Giesinger JM, Holzner B, Le Cessie S, O'Connor D, Oliver K, Pawar V, Quinten C, Schlichting M, Ren J, Roychoudhury S, Taphoorn MJB, Velikova G, Wintner LM et al. (2023)
    Setting International Standards in Analyzing Patient-Reported Outcomes and Quality of Life Endpoints in Cancer Clinical Trials-Innovative Medicines Initiative (SISAQOL-IMI): stakeholder views, objectives, and procedures
    Lancet Oncol, 24 (6), e270-e283
    DOI 10.1016/S1470-2045(23)00157-2, PubMed 37269858
  6. Taylor KJ, Amdal CD, Bjordal K, Astrup GL, Herlofson BB, Duprez F, Gama RR, Jacinto A, Hammerlid E, Scricciolo M, Jansen F, Verdonck-de Leeuw IM, Fanetti G, Guntinas-Lichius O, Inhestern J, Dragan T, Fabian A, Boehm A, Wöhner U, Kiyota N, Krüger M, Bonomo P, Pinto M, Nuyts S, Silva JC et al. (2023)
    Serious Long-Term Effects of Head and Neck Cancer from the Survivors' Point of View
    Healthcare (Basel), 11 (6)
    DOI 10.3390/healthcare11060906, PubMed 36981562
  7. Vervaart M, Aas E, Claxton KP, Strong M, Welton NJ, Wisløff T, Heath A (2023)
    General-Purpose Methods for Simulating Survival Data for Expected Value of Sample Information Calculations
    Med Decis Making, 43 (5), 595-609
    DOI 10.1177/0272989X231162069, PubMed 36971425

Publications 2022

  1. Amdal CD, Falk RS, Singer S, Pe M, Piccinin C, Bottomley A, Appiah LT, Arraras JI, Bayer O, Buanes EA, Darlington AS, Arbanas GD, Hofsø K, Holzner B, Sahlstrand-Johnson P, Kuliś D, Parmar G, Rmeileh NMEA, Schranz M, Sodergren S, Bjordal K (2022)
    A multicenter international prospective study of the validity and reliability of a COVID-19-specific health-related quality of life questionnaire
    Qual Life Res, 32 (2), 447-459
    DOI 10.1007/s11136-022-03272-2, PubMed 36273365
  2. Amdal CD, Taylor K, Kuliś D, Falk RS, Bottomley A, Arraras JI, Barte JH, Darlington AS, Hofsø K, Holzner B, Jørgensen NMH, Mariano MP, Pe M, Piccinin C, Riccetti N, Schranz M, Wheelwright S, Bjordal K (2022)
    Health-related quality of life in patients with COVID-19; international development of a patient-reported outcome measure
    J Patient Rep Outcomes, 6 (1), 26
    DOI 10.1186/s41687-022-00434-1, PubMed 35348945
  3. Huynh TTM, Aass HCD, Falk RS, Astrup GL, Helland Å, Bjøro T, Bjordal K, Dale E, Hellebust TP, Herlofson BB, Malinen E, Kiserud CE, Osnes T, Amdal CD (2022)
    Associations between patient-reported late effects and systemic cytokines in long-term survivors of head and neck cancer treated with radiotherapy
    J Cancer Surviv, 17 (4), 1082-1093
    DOI 10.1007/s11764-022-01273-1, PubMed 36350483
  4. Joseph KL, Dagfinrud H, Hagen KB, Nordén KR, Fongen C, Wold OM, Hinman RS, Nelligan RK, Bennell KL, Tveter AT (2022)
    The AktiWeb study: feasibility of a web-based exercise program delivered by a patient organisation to patients with hip and/or knee osteoarthritis
    Pilot Feasibility Stud, 8 (1), 150
    DOI 10.1186/s40814-022-01110-3, PubMed 35859065
  5. Kling J, Asphaug L, Feragen KB (2022)
    Cost-effectiveness analysis of a psychosocial web-based intervention for adolescents distressed by a visible difference: Results from a randomized controlled trial in Norway
    Scand J Psychol, 64 (3), 268-277
    DOI 10.1111/sjop.12885, PubMed 36367227

Publications 2021

  1. Amdal CD, Pe M, Falk RS, Piccinin C, Bottomley A, Arraras JI, Darlington AS, Hofsø K, Holzner B, Jørgensen NMH, Kulis D, Rimehaug SA, Singer S, Taylor K, Wheelwright S, Bjordal K (2021)
    Health-related quality of life issues, including symptoms, in patients with active COVID-19 or post COVID-19; a systematic literature review
    Qual Life Res, 30 (12), 3367-3381
    DOI 10.1007/s11136-021-02908-z, PubMed 34146226
  2. Astrup GL, Rohde G, Rimehaug SA, Andersen MH, Bernklev T, Bjordal K, Falk RS, Jørgensen NMH, Stavem K, Tollisen A, Amdal CD, (2021)
    Comparing the use of patient-reported outcomes in clinical studies in Europe in 2008 and 2018: a literature review
    Qual Life Res, 31 (3), 659-669
    DOI 10.1007/s11136-021-02946-7, PubMed 34350566
  3. Joseph KL, Dagfinrud H, Christie A, Hagen KB, Tveter AT (2021)
    Criterion validity of The International Physical Activity Questionnaire-Short Form (IPAQ-SF) for use in clinical practice in patients with osteoarthritis
    BMC Musculoskelet Disord, 22 (1), 232
    DOI 10.1186/s12891-021-04069-z, PubMed 33639913
  4. Singer S, Hammerlid E, Tomaszewska IM, Amdal CD, Bjordal K, Herlofson BB, Santos M, Silva JC, Mehanna H, Fullerton A, Brannan C, Gonzalez LF, Inhestern J, Pinto M, Arraras JI, Yarom N, Bonomo P, Baumann I, Galalae R, Nicolatou-Galitis O, Kiyota N, Raber-Durlacher J, Salem D, Fabian A, Boehm A et al. (2021)
    Methodological approach for determining the Minimal Important Difference and Minimal Important Change scores for the European Organisation for Research and Treatment of Cancer Head and Neck Cancer Module (EORTC QLQ-HN43) exemplified by the Swallowing scale
    Qual Life Res, 31 (3), 841-853
    DOI 10.1007/s11136-021-02939-6, PubMed 34272632
  5. Vervaart M, Strong M, Claxton KP, Welton NJ, Wisløff T, Aas E (2021)
    An Efficient Method for Computing Expected Value of Sample Information for Survival Data from an Ongoing Trial
    Med Decis Making, 42 (5), 612-625
    DOI 10.1177/0272989X211068019, PubMed 34967237

Publications 2020

  1. Asphaug L, Thiele M, Krag A, Melberg HO (2020)
    Cost-Effectiveness of Noninvasive Screening for Alcohol-Related Liver Fibrosis
    Hepatology, 71 (6), 2093-2104
    DOI 10.1002/hep.30979, PubMed 31595545
  2. Astrup GL, Hofsø K, Bjordal K, Rustøen T (2020)
    Cancer patients' diagnosis and symptoms and their family caregivers' self-efficacy and social support are associated with different caregiver reactions
    Eur J Cancer Care (Engl), 29 (6), e13311
    DOI 10.1111/ecc.13311, PubMed 32885524

Publications 2019

  1. Asphaug L, Melberg HO (2019)
    The Cost-Effectiveness of Multigene Panel Testing for Hereditary Breast and Ovarian Cancer in Norway
    MDM Policy Pract, 4 (1), 2381468318821103
    DOI 10.1177/2381468318821103, PubMed 30746499
  2. Joseph KL, Hagen KB, Tveter AT, Magnusson K, Provan SA, Dagfinrud H (2019)
    Osteoarthritis-Related Walking Disability and Arterial Stiffness: Results From a Cross-Sectional Study
    Arthritis Care Res (Hoboken), 71 (2), 252-258
    DOI 10.1002/acr.23697, PubMed 29975013
  3. Mierzynska J, Piccinin C, Pe M, Martinelli F, Gotay C, Coens C, Mauer M, Eggermont A, Groenvold M, Bjordal K, Reijneveld J, Velikova G, Bottomley A (2019)
    Prognostic value of patient-reported outcomes from international randomised clinical trials on cancer: a systematic review
    Lancet Oncol, 20 (12), e685-e698
    DOI 10.1016/S1470-2045(19)30656-4, PubMed 31797795
  4. Singer S, Amdal CD, Hammerlid E, Tomaszewska IM, Castro Silva J, Mehanna H, Santos M, Inhestern J, Brannan C, Yarom N, Fullerton A, Pinto M, Arraras JI, Kiyota N, Bonomo P, Sherman AC, Baumann I, Galalae R, Fernandez Gonzalez L, Nicolatou-Galitis O, Abdel-Hafeez Z, Raber-Durlacher J, Schmalz C, Zotti P, Boehm A et al. (2019)
    International validation of the revised European Organisation for Research and Treatment of Cancer Head and Neck Cancer Module, the EORTC QLQ-HN43: Phase IV
    Head Neck, 41 (6), 1725-1737
    DOI 10.1002/hed.25609, PubMed 30636188

Publications 2017

  1. Amdal CD, Jacobsen AB, Falk RS, Johnson E, Os SS, Warloe T, Bjordal K (2017)
    Improved treatment decisions in patients with esophageal cancer
    Acta Oncol, 56 (10), 1286-1294
    DOI 10.1080/0284186X.2017.1346379, PubMed 28686501
  2. Astrup GL, Hofsø K, Bjordal K, Guren MG, Vistad I, Cooper B, Miaskowski C, Rustøen T (2017)
    Patient factors and quality of life outcomes differ among four subgroups of oncology patients based on symptom occurrence
    Acta Oncol, 56 (3), 462-470
    DOI 10.1080/0284186X.2016.1273546, PubMed 28077018
  3. Astrup GL, Rustøen T, Hofsø K, Gran JM, Bjordal K (2017)
    Symptom burden and patient characteristics: Association with quality of life in patients with head and neck cancer undergoing radiotherapy
    Head Neck, 39 (10), 2114-2126
    DOI 10.1002/hed.24875, PubMed 28766791
  4. Bjordal K, Bottomley A (2017)
    Making Advances in Quality of Life Studies in Head and Neck Cancer
    Int J Radiat Oncol Biol Phys, 97 (4), 659-661
    DOI 10.1016/j.ijrobp.2016.11.051, PubMed 28244403

Publications 2016

  1. Hjermstad MJ, Bergenmar M, Bjordal K, Fisher SE, Hofmeister D, Montel S, Nicolatou-Galitis O, Pinto M, Raber-Durlacher J, Singer S, Tomaszewska IM, Tomaszewski KA, Verdonck-de Leeuw I, Yarom N, Winstanley JB, Herlofson BB, EORTC QoL Group (2016)
    International field testing of the psychometric properties of an EORTC quality of life module for oral health: the EORTC QLQ-OH15
    Support Care Cancer, 24 (9), 3915-24
    DOI 10.1007/s00520-016-3216-0, PubMed 27113466

Publications 2015

  1. Astrup GL, Rustøen T, Miaskowski C, Paul SM, Bjordal K (2015)
    A Longitudinal Study of Depressive Symptoms in Patients With Head and Neck Cancer Undergoing Radiotherapy
    Cancer Nurs, 38 (6), 436-46
    DOI 10.1097/NCC.0000000000000225, PubMed 25643005
  2. Astrup GL, Rustøen T, Miaskowski C, Paul SM, Bjordal K (2015)
    Changes in and predictors of pain characteristics in patients with head and neck cancer undergoing radiotherapy
    Pain, 156 (5), 967-979
    DOI 10.1097/j.pain.0000000000000142, PubMed 25719616
  3. Cehajic I, Bergan S, Bjordal K (2015)
    Pharmacist assessment of drug-related problems on an oncology ward
    Eur. J. Hosp. Pharm., 22 (4), 194-197
    DOI 10.1136/ejhpharm-2014-000510
  4. Quinten C, Coens C, Ghislain I, Zikos E, Sprangers MA, Ringash J, Martinelli F, Ediebah DE, Maringwa J, Reeve BB, Greimel E, King MT, Bjordal K, Flechtner HH, Schmucker-Von Koch J, Taphoorn MJ, Weis J, Wildiers H, Velikova G, Bottomley A, PROBE, EORTC Clinical Groups (2015)
    The effects of age on health-related quality of life in cancer populations: A pooled analysis of randomized controlled trials using the European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 involving 6024 cancer patients
    Eur J Cancer, 51 (18), 2808-19
    DOI 10.1016/j.ejca.2015.08.027, PubMed 26602015

Publications 2014

  1. Amdal CD, Bjordal K (2014)
    Are surrogate endpoints useful in clinical studies?
    Tidsskr Nor Laegeforen, 134 (11), 1128-9
    DOI 10.4045/tidsskr.14.0411, PubMed 24939776
  2. Hofsø K, Bjordal K, Diep LM, Rustøen T (2014)
    The relationships between demographic and clinical characteristics and quality of life during and after radiotherapy: in women with breast cancer
    Qual Life Res, 23 (10), 2769-77
    DOI 10.1007/s11136-014-0736-2, PubMed 24952109

Publications 2013

  1. Amdal CD, Jacobsen AB, Sandstad B, Warloe T, Bjordal K (2013)
    Palliative brachytherapy with or without primary stent placement in patients with oesophageal cancer, a randomised phase III trial
    Radiother Oncol, 107 (3), 428-33
    DOI 10.1016/j.radonc.2013.04.008, PubMed 23647761
  2. Quinten C, Martinelli F, Coens C, Sprangers MA, Ringash J, Gotay C, Bjordal K, Greimel E, Reeve BB, Maringwa J, Ediebah DE, Zikos E, King MT, Osoba D, Taphoorn MJ, Flechtner H, Schmucker-Von Koch J, Weis J, Bottomley A, Patient Reported Outcomes and Behavioral Evidence (PROBE) and the European Organization for Research and Treatment of Cancer (EORTC) Clinical Groups (2013)
    A global analysis of multitrial data investigating quality of life and symptoms as prognostic factors for survival in different tumor sites
    Cancer, 120 (2), 302-11
    DOI 10.1002/cncr.28382, PubMed 24127333

Publications 2012

  1. Amdal CD, Jacobsen AB, Guren MG, Bjordal K (2012)
    Patient-reported outcomes evaluating palliative radiotherapy and chemotherapy in patients with oesophageal cancer: a systematic review
    Acta Oncol, 52 (4), 679-90
    DOI 10.3109/0284186X.2012.731521, PubMed 23190360
  2. Andreassen TN, Klepstad P, Davies A, Bjordal K, Lundström S, Kaasa S, Dale O (2012)
    Is oxycodone efficacy reflected in serum concentrations? A multicenter, cross-sectional study in 456 adult cancer patients
    J Pain Symptom Manage, 43 (4), 694-705
    DOI 10.1016/j.jpainsymman.2011.05.008, PubMed 22285284
  3. Hofsø K, Miaskowski C, Bjordal K, Cooper BA, Rustøen T (2012)
    Previous chemotherapy influences the symptom experience and quality of life of women with breast cancer prior to radiation therapy
    Cancer Nurs, 35 (3), 167-77
    DOI 10.1097/NCC.0b013e31821f5eb5, PubMed 21760482
  4. Hofsø K, Rustøen T, Cooper BA, Bjordal K, Miaskowski C (2012)
    Changes over time in occurrence, severity, and distress of common symptoms during and after radiation therapy for breast cancer
    J Pain Symptom Manage, 45 (6), 980-1006
    DOI 10.1016/j.jpainsymman.2012.06.003, PubMed 23026547

Publications 2011

  1. Amdal CD, Jacobsen AB, Tausjø JE, Wiig JN, Warloe T, Sandstad B, Bjordal K (2011)
    Palliative interventions and prognosis in patients with advanced esophageal cancer
    Dis Esophagus, 24 (7), 502-9
    DOI 10.1111/j.1442-2050.2010.01174.x, PubMed 21309923
  2. Andreassen TN, Eftedal I, Klepstad P, Davies A, Bjordal K, Lundström S, Kaasa S, Dale O (2011)
    Do CYP2D6 genotypes reflect oxycodone requirements for cancer patients treated for cancer pain? A cross-sectional multicentre study
    Eur J Clin Pharmacol, 68 (1), 55-64
    DOI 10.1007/s00228-011-1093-5, PubMed 21735164
  3. Klepstad P, Fladvad T, Skorpen F, Bjordal K, Caraceni A, Dale O, Davies A, Kloke M, Lundström S, Maltoni M, Radbruch L, Sabatowski R, Sigurdardottir V, Strasser F, Fayers PM, Kaasa S, European Palliative Care Research Collaborative (EPCRC) and the European Association for Palliative Care Research Network (2011)
    Influence from genetic variability on opioid use for cancer pain: a European genetic association study of 2294 cancer pain patients
    Pain, 152 (5), 1139-1145
    DOI 10.1016/j.pain.2011.01.040, PubMed 21398039

Publications 2010

  1. Amdal CD, Jacobsen AB, Tausjø JE, Wiig JN, Warloe T, Karlsen KO, Sandstad B, Bjordal K (2010)
    Radical treatment for oesophageal cancer patients unfit for surgery and chemotherapy. A 10-year experience from the Norwegian Radium Hospital
    Acta Oncol, 49 (2), 209-18
    DOI 10.3109/02841860903246573, PubMed 19929566
  2. Andreassen TN, Klepstad P, Davies A, Bjordal K, Lundström S, Kaasa S, Dale O (2010)
    Influences on the pharmacokinetics of oxycodone: a multicentre cross-sectional study in 439 adult cancer patients
    Eur J Clin Pharmacol, 67 (5), 493-506
    DOI 10.1007/s00228-010-0948-5, PubMed 21140139
  3. Laugsand EA, Sprangers MA, Bjordal K, Skorpen F, Kaasa S, Klepstad P (2010)
    Health care providers underestimate symptom intensities of cancer patients: a multicenter European study
    Health Qual Life Outcomes, 8, 104
    DOI 10.1186/1477-7525-8-104, PubMed 20858248
  4. Utne I, Miaskowski C, Bjordal K, Paul SM, Rustoen T (2010)
    The relationships between mood disturbances and pain, hope, and quality of life in hospitalized cancer patients with pain on regularly scheduled opioid analgesic
    J Palliat Med, 13 (3), 311-8
    DOI 10.1089/jpm.2009.0294, PubMed 20078225

Publications 2009

  1. Ahlner-Elmqvist M, Bjordal K, Jordhøy MS, Kaasa S, Jannert M (2009)
    Characteristics and implications of attrition in health-related quality of life studies in palliative care
    Palliat Med, 23 (5), 432-40
    DOI 10.1177/0269216309104057, PubMed 19304808
  2. Bower WF, Vlantis AC, Chung TM, Cheung SK, Bjordal K, van Hasselt CA (2009)
    Quality of life in head and neck cancer patients after surgical resection: translation into Cantonese and validation of the EORTC QLQ-H&N35
    Acta Otolaryngol, 129 (7), 779-85
    DOI 10.1080/00016480802398970, PubMed 18767001
  3. Quinten C, Coens C, Mauer M, Comte S, Sprangers MA, Cleeland C, Osoba D, Bjordal K, Bottomley A, EORTC Clinical Groups (2009)
    Baseline quality of life as a prognostic indicator of survival: a meta-analysis of individual patient data from EORTC clinical trials
    Lancet Oncol, 10 (9), 865-71
    DOI 10.1016/S1470-2045(09)70200-1, PubMed 19695956
  4. Utne I, Miaskowski C, Bjordal K, Cooper BA, Valeberg BT, Rustøen T (2009)
    Confirmatory factor analysis of the coping strategies questionnaire-revised in samples of oncology outpatients and inpatients with pain
    Clin J Pain, 25 (5), 391-400
    DOI 10.1097/AJP.0b013e318195ed9b, PubMed 19454872
  5. Utne I, Miaskowski C, Bjordal K, Paul SM, Jakobsen G, Rustøen T (2009)
    Differences in the use of pain coping strategies between oncology inpatients with mild vs. moderate to severe pain
    J Pain Symptom Manage, 38 (5), 717-26
    DOI 10.1016/j.jpainsymman.2009.03.005, PubMed 19775862

Publications 2008

  1. Ahlner-Elmqvist M, Jordhøy MS, Bjordal K, Jannert M, Kaasa S (2008)
    Characteristics and quality of life of patients who choose home care at the end of life
    J Pain Symptom Manage, 36 (3), 217-27
    DOI 10.1016/j.jpainsymman.2007.10.010, PubMed 18400462
  2. Elmqvist MA, Jordhøy MS, Bjordal K, Kaasa S, Jannert M (2008)
    Health-related quality of life during the last three months of life in patients with advanced cancer
    Support Care Cancer, 17 (2), 191-8
    DOI 10.1007/s00520-008-0477-2, PubMed 18581147
  3. Nordgren M, Hammerlid E, Bjordal K, Ahlner-Elmqvist M, Boysen M, Jannert M (2008)
    Quality of life in oral carcinoma: a 5-year prospective study
    Head Neck, 30 (4), 461-70
    DOI 10.1002/hed.20735, PubMed 18098303
  4. Utne I, Miaskowski C, Bjordal K, Paul SM, Jakobsen G, Rustøen T (2008)
    The relationship between hope and pain in a sample of hospitalized oncology patients
    Palliat Support Care, 6 (4), 327-34
    DOI 10.1017/S1478951508000527, PubMed 19006586
  5. Valeberg BT, Miaskowski C, Hanestad BR, Bjordal K, Moum T, Rustøen T (2008)
    Prevalence rates for and predictors of self-reported adherence of oncology outpatients with analgesic medications
    Clin J Pain, 24 (7), 627-36
    DOI 10.1097/AJP.0b013e31816fe020, PubMed 18716502
  6. Valeberg BT, Miaskowski C, Hanestad BR, Bjordal K, Paul S, Rustøen T (2008)
    Demographic, clinical, and pain characteristics are associated with average pain severity groups in a sample of oncology outpatients
    J Pain, 9 (10), 873-82
    DOI 10.1016/j.jpain.2008.05.001, PubMed 18571988

Publications 2007

  1. Arraras JI, Kuljanic-Vlasic K, Bjordal K, Yun YH, Efficace F, Holzner B, Mills J, Greimel E, Krauss O, Velikova G, EORTC Quality of Life Group (2007)
    EORTC QLQ-INFO26: a questionnaire to assess information given to cancer patients a preliminary analysis in eight countries
    Psychooncology, 16 (3), 249-54
    DOI 10.1002/pon.1047, PubMed 16858744
  2. Bjordal K (2007)
    Radiotherapy for head and neck cancer, indicatio and Techniques. Book review.
    European Journal of Cancer Care, 16, 96
    PublikaID 64
  3. Valeberg BT, Rustøen T, Bjordal K, Hanestad BR, Paul S, Miaskowski C (2007)
    Self-reported prevalence, etiology, and characteristics of pain in oncology outpatients
    Eur J Pain, 12 (5), 582-90
    DOI 10.1016/j.ejpain.2007.09.004, PubMed 18023377

Publications 2006

  1. Loge JH, Bjordal K, Paulsen Ø (2006)
    [Approaching patients who require palliative care]
    Tidsskr Nor Laegeforen, 126 (4), 462-6
    PubMed 16477286
  2. Nordgren M, Jannert M, Boysen M, Ahlner-Elmqvist M, Silander E, Bjordal K, Hammerlid E (2006)
    Health-related quality of life in patients with pharyngeal carcinoma: a five-year follow-up
    Head Neck, 28 (4), 339-49
    DOI 10.1002/hed.20334, PubMed 16287136
  3. Aass N, Bjordal K, Tveit KM, Nordøy T (2006)
    [Tumour-modifying therapy]
    Tidsskr Nor Laegeforen, 126 (5), 628-32
    PubMed 16505877

Publications 2005

  1. Abendstein H, Nordgren M, Boysen M, Jannert M, Silander E, Ahlner-Elmqvist M, Hammerlid E, Bjordal K (2005)
    Quality of life and head and neck cancer: a 5 year prospective study
    Laryngoscope, 115 (12), 2183-92
    DOI 10.1097/01.MLG.0000181507.69620.14, PubMed 16369164

Publications 2004

  1. Bjordal K (2004)
    Impact of quality of life measurement in daily clinical practice
    Ann Oncol, 15 Suppl 4, iv279-82
    DOI 10.1093/annonc/mdh939, PubMed 15477321
  2. Bjordal K, Aass N (2004)
    [Palliative cytostatic treatment]
    Tidsskr Nor Laegeforen, 124 (24), 3206-7
    PubMed 15608767

Publications 2003

  1. Nordgren M, Abendstein H, Jannert M, Boysen M, Ahlner-Elmqvist M, Silander E, Bjordal K, Hammerlid E (2003)
    Health-related quality of life five years after diagnosis of laryngeal carcinoma
    Int J Radiat Oncol Biol Phys, 56 (5), 1333-43
    DOI 10.1016/s0360-3016(03)00292-x, PubMed 12873678

Publications 2002

  1. Bottomley A, Vachalec S, Bjordal K, Blazeby J, Flechtner H, Ruyskart P (2002)
    The development and utilisation of the European Organisation for research and treatment of cancer quality of life group item bank
    Eur J Cancer, 38 (12), 1611-4
    DOI 10.1016/s0959-8049(02)00125-9, PubMed 12142050
  2. Evensen JF, Bjordal K, Knutsen BH, Olsen DR, Støre G, Tausjø JE (2002)
    Side effects and quality of life after inadvertent radiation overdosage in brachytherapy of head-and-neck cancer
    Int J Radiat Oncol Biol Phys, 52 (4), 944-52
    DOI 10.1016/s0360-3016(01)02726-2, PubMed 11958887

Publications 2001

  1. Bjordal K, Ahlner-Elmqvist M, Hammerlid E, Boysen M, Evensen JF, Biörklund A, Jannert M, Westin T, Kaasa S (2001)
    A prospective study of quality of life in head and neck cancer patients. Part II: Longitudinal data
    Laryngoscope, 111 (8), 1440-52
    DOI 10.1097/00005537-200108000-00022, PubMed 11568582
  2. Evensen JF, Bjordal K, Jacobsen AB, Løkkevik E, Tausjø JE (2001)
    Effects of Na-sucrose octasulfate on skin and mucosa reactions during radiotherapy of head and neck cancers--a randomized prospective study
    Acta Oncol, 40 (6), 751-5
    DOI 10.1080/02841860152619188, PubMed 11765071
  3. Fayers P, Bjordal K (2001)
    Should quality-of-life needs influence resource allocation?
    Lancet, 357 (9261), 978
    DOI 10.1016/S0140-6736(00)04256-2, PubMed 11293639
  4. Hammerlid E, Bjordal K, Ahlner-Elmqvist M, Boysen M, Evensen JF, Biörklund A, Jannert M, Kaasa S, Sullivan M, Westin T (2001)
    A prospective study of quality of life in head and neck cancer patients. Part I: at diagnosis
    Laryngoscope, 111 (4 Pt 1), 669-80
    DOI 10.1097/00005537-200104000-00021, PubMed 11359139

Publications 2000

  1. Bjordal K, de Graeff A, Fayers PM, Hammerlid E, van Pottelsberghe C, Curran D, Ahlner-Elmqvist M, Maher EJ, Meyza JW, Brédart A, Söderholm AL, Arraras JJ, Feine JS, Abendstein H, Morton RP, Pignon T, Huguenin P, Bottomly A, Kaasa S (2000)
    A 12 country field study of the EORTC QLQ-C30 (version 3.0) and the head and neck cancer specific module (EORTC QLQ-H&N35) in head and neck patients. EORTC Quality of Life Group
    Eur J Cancer, 36 (14), 1796-807
    DOI 10.1016/s0959-8049(00)00186-6, PubMed 10974628
  2. de Haes J, Curran D, Young T, Bottomley A, Flechtner H, Aaronson N, Blazeby J, Bjordal K, Brandberg Y, Greimel E, Maher J, Sprangers M, Cull A (2000)
    Quality of life evaluation in oncological clinical trials - the EORTC model. The EORTC Quality of Life Study Group
    Eur J Cancer, 36 (7), 821-5
    DOI 10.1016/s0959-8049(00)00007-1, PubMed 10785585

Publications 1999

  1. Bjordal K, Hammerlid E, Ahlner-Elmqvist M, de Graeff A, Boysen M, Evensen JF, Biörklund A, de Leeuw JR, Fayers PM, Jannert M, Westin T, Kaasa S (1999)
    Quality of life in head and neck cancer patients: validation of the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire-H&N35
    J Clin Oncol, 17 (3), 1008-19
    DOI 10.1200/JCO.1999.17.3.1008, PubMed 10071296
  2. Hammerlid E, Ahlner-Elmqvist M, Bjordal K, Biörklund A, Evensen J, Boysen M, Jannert M, Kaasa S, Sullivan M, Westin T (1999)
    A prospective multicentre study in Sweden and Norway of mental distress and psychiatric morbidity in head and neck cancer patients
    Br J Cancer, 80 (5-6), 766-74
    DOI 10.1038/sj.bjc.6690420, PubMed 10360654
  3. Ringdal K, Ringdal GI, Kaasa S, Bjordal K, Wisløff F, Sundstrøm S, Hjermstad MJ (1999)
    Assessing the consistency of psychometric properties of the HRQoL scales within the EORTC QLQ-C30 across populations by means of the Mokken Scaling Model
    Qual Life Res, 8 (1-2), 25-43
    DOI 10.1023/a:1026419414249, PubMed 10457736

Publications 1998

  1. Fayers PM, Groenvold M, Hand DJ, Bjordal K (1998)
    Clinical impact versus factor analysis for quality of life questionnaire construction
    J Clin Epidemiol, 51 (3), 285-6
    DOI 10.1016/s0895-4356(97)00291-6, PubMed 9495694
  2. Hjermstad MJ, Fayers PM, Bjordal K, Kaasa S (1998)
    Health-related quality of life in the general Norwegian population assessed by the European Organization for Research and Treatment of Cancer Core Quality-of-Life Questionnaire: the QLQ=C30 (+ 3)
    J Clin Oncol, 16 (3), 1188-96
    DOI 10.1200/JCO.1998.16.3.1188, PubMed 9508207
  3. Hjermstad MJ, Fayers PM, Bjordal K, Kaasa S (1998)
    Using reference data on quality of life--the importance of adjusting for age and gender, exemplified by the EORTC QLQ-C30 (+3)
    Eur J Cancer, 34 (9), 1381-9
    DOI 10.1016/s0959-8049(98)00136-1, PubMed 9849421
  4. Sprangers MA, Cull A, Groenvold M, Bjordal K, Blazeby J, Aaronson NK (1998)
    The European Organization for Research and Treatment of Cancer approach to developing questionnaire modules: an update and overview. EORTC Quality of Life Study Group
    Qual Life Res, 7 (4), 291-300
    DOI 10.1023/a:1024977728719, PubMed 9610213

Publications 1997

  1. Fayers PM, Hand DJ, Bjordal K, Groenvold M (1997)
    Causal indicators in quality of life research
    Qual Life Res, 6 (5), 393-406
    DOI 10.1023/a:1018491512095, PubMed 9290306
  2. Hammerlid E, Bjordal K, Ahlner-Elmqvist M, Jannert M, Kaasa S, Sullivan M, Westin T (1997)
    Prospective, longitudinal quality-of-life study of patients with head and neck cancer: a feasibility study including the EORTC QLQ-C30
    Otolaryngol Head Neck Surg, 116 (6 Pt 1), 666-73
    DOI 10.1016/S0194-59989770246-8, PubMed 9215381
  3. Hammerlid E, Bjordal K, Ahlner-Elmqvist M, Jannert M, Kaasa S, Sullivan M, Westin T (1997)
    Prospective, Longitudinal Quality-of-Life Study of Patients With Head and Neck Cancer: A Feasibility Study Including the EORTC QLQ-C30
    Otolaryngol Head Neck Surg, 116 (6), 666-673
    DOI 10.1016/S0194-5998(97)70246-8, PubMed 29389273

Publications 1996

  1. Bonomi AE, Cella DF, Hahn EA, Bjordal K, Sperner-Unterweger B, Gangeri L, Bergman B, Willems-Groot J, Hanquet P, Zittoun R (1996)
    Multilingual translation of the Functional Assessment of Cancer Therapy (FACT) quality of life measurement system
    Qual Life Res, 5 (3), 309-20
    DOI 10.1007/BF00433915, PubMed 8763799

Publications 1995

  1. Bjordal K, Freng A, Thorvik J, Kaasa S (1995)
    Patient self-reported and clinician-rated quality of life in head and neck cancer patients: a cross-sectional study
    Eur J Cancer B Oral Oncol, 31B (4), 235-41
    DOI 10.1016/0964-1955(95)00010-f, PubMed 7492919
  2. Bjordal K, Kaasa S (1995)
    Psychological distress in head and neck cancer patients 7-11 years after curative treatment
    Br J Cancer, 71 (3), 592-7
    DOI 10.1038/bjc.1995.115, PubMed 7880743
  3. Bjordal K, Mastekaasa A, Kaasa S (1995)
    Self-reported satisfaction with life and physical health in long-term cancer survivors and a matched control group
    Eur J Cancer B Oral Oncol, 31B (5), 340-5
    DOI 10.1016/0964-1955(95)00039-9, PubMed 8704653
  4. Hjermstad MJ, Fossa SD, Bjordal K, Kaasa S (1995)
    Test/retest study of the European Organization for Research and Treatment of Cancer Core Quality-of-Life Questionnaire
    J Clin Oncol, 13 (5), 1249-54
    DOI 10.1200/JCO.1995.13.5.1249, PubMed 7738629
  5. Kaasa S, Bjordal K, Aaronson N, Moum T, Wist E, Hagen S, Kvikstad A (1995)
    The EORTC core quality of life questionnaire (QLQ-C30): validity and reliability when analysed with patients treated with palliative radiotherapy
    Eur J Cancer, 31A (13-14), 2260-3
    DOI 10.1016/0959-8049(95)00296-0, PubMed 8652253

Publications 1994

  1. Bjordal K, Ahlner-Elmqvist M, Tollesson E, Jensen AB, Razavi D, Maher EJ, Kaasa S (1994)
    Development of a European Organization for Research and Treatment of Cancer (EORTC) questionnaire module to be used in quality of life assessments in head and neck cancer patients. EORTC Quality of Life Study Group
    Acta Oncol, 33 (8), 879-85
    DOI 10.3109/02841869409098450, PubMed 7818919
  2. Bjordal K, Kaasa S, Mastekaasa A (1994)
    Quality of life in patients treated for head and neck cancer: a follow-up study 7 to 11 years after radiotherapy
    Int J Radiat Oncol Biol Phys, 28 (4), 847-56
    DOI 10.1016/0360-3016(94)90104-x, PubMed 8138437

Publications 1993

  1. Kaasa S, Kragh-Jensen E, Bjordal K, Lund E, Evensen JF, Vermund H, Monge O, Boehler P (1993)
    Prognostic factors in patients with nasopharyngeal carcinoma
    Acta Oncol, 32 (5), 531-6
    DOI 10.3109/02841869309096113, PubMed 8217237
  2. Sprangers MA, Cull A, Bjordal K, Groenvold M, Aaronson NK (1993)
    The European Organization for Research and Treatment of Cancer. Approach to quality of life assessment: guidelines for developing questionnaire modules. EORTC Study Group on Quality of Life
    Qual Life Res, 2 (4), 287-95
    DOI 10.1007/BF00434800, PubMed 8220363

Publications 1992

  1. Bjordal K, Kaasa S (1992)
    Psychometric validation of the EORTC Core Quality of Life Questionnaire, 30-item version and a diagnosis-specific module for head and neck cancer patients
    Acta Oncol, 31 (3), 311-21
    DOI 10.3109/02841869209108178, PubMed 1622651

 
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