Publication list - Publika - Scientific publications from Oslo University Hospital

Publications by Stein Ilner Opjordsmoen

200 publications found

Original articles

Gohar SM, Hegelstad WTV, Auestad B, Haahr UH, Joa I, Johannessen JO, Larsen TK, Opjordsmoen S, Rund BR, Røssberg JI, Simonsen E, Friis S, Melle I (2023)
Association between early suicidal trajectories in first-episode psychosis and 10-year follow-up: TIPS registry-linked study
Lancet Psychiatry, 10 (7), 528-536
DOI 10.1016/S2215-0366(23)00156-6, PubMed 37353264

Weibell MA, Johannessen JO, Auestad B, Bramness J, Brønnick K, Haahr U, Joa I, Larsen TK, Melle I, Opjordsmoen S, Rund BR, Røssberg JI, Simonsen E, Vaglum P, Stain H, Friis S, Hegelstad WTV (2019)
Early Substance Use Cessation Improves Cognition-10 Years Outcome in First-Episode Psychosis Patients
Front Psychiatry, 10, 495
DOI 10.3389/fpsyt.2019.00495, PubMed 31354551

Yeisen RA, Bjørnestad J, Joa I, Johannessen JO, Opjordsmoen S (2019)
Psychiatrists' reflections on a medication-free program for patients with psychosis
J Psychopharmacol, 33 (4), 459-465
DOI 10.1177/0269881118822048, PubMed 30676216

Gardsjord ES, Romm KL, Røssberg JI, Friis S, Barder HE, Evensen J, Haahr U, Ten Velden Hegelstad W, Joa I, Johannessen JO, Langeveld J, Larsen TK, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, Melle I (2018)
Depression and functioning are important to subjective quality of life after a first episode psychosis
Compr Psychiatry, 86, 107-114
DOI 10.1016/j.comppsych.2018.07.014, PubMed 30114656

Langeveld J, Bjørkly S, Evensen J, Joa I, Johannessen JO, Larsen TK, Melle I, Opjordsmoen S, Røssberg JI, Rund BR, Simonsen E, Vaglum P, Velden WT, McGlashan T, Friis S (2017)
A 10-year follow-up study of violent victimization in first episode psychosis: Risk and protective factors
Psychiatry Res, 259, 545-549
DOI 10.1016/j.psychres.2017.11.013, PubMed 29172178

Yeisen RAH, Bjornestad J, Joa I, Johannessen JO, Opjordsmoen S (2017)
Experiences of antipsychotic use in patients with early psychosis: a two-year follow-up study
BMC Psychiatry, 17 (1), 299
DOI 10.1186/s12888-017-1425-9, PubMed 28830453

Gardsjord ES, Romm KL, Røssberg JI, Friis S, Barder HE, Evensen J, Haahr U, Ten Velden Hegelstad W, Joa I, Johannessen JO, Langeveld J, Larsen TK, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T, Melle I (2017)
Is going into stable symptomatic remission associated with a more positive development of life satisfaction? A 10-year follow-up study of first episode psychosis
Schizophr Res, 193, 364-369
DOI 10.1016/j.schres.2017.07.006, PubMed 28701275

Weibell MA, Hegelstad WTV, Auestad B, Bramness J, Evensen J, Haahr U, Joa I, Johannessen JO, Larsen TK, Melle I, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T, McGorry P, Friis S (2017)
The Effect of Substance Use on 10-Year Outcome in First-Episode Psychosis
Schizophr Bull, 43 (4), 843-851
DOI 10.1093/schbul/sbw179, PubMed 28199703

Hegelstad WT, Bronnick KS, Barder HE, Evensen JH, Haahr U, Joa I, Johannessen JO, Langeveld J, Larsen TK, Melle I, Opjordsmoen S, Rund BR, Rossberg JI, Simonsen E, Vaglum PW, McGlashan TH, Friis S (2016)
Preventing Poor Vocational Functioning in Psychosis Through Early Intervention
Psychiatr Serv, 68 (1), 100-103
DOI 10.1176/appi.ps.201500451, PubMed 27582238

Gardsjord ES, Romm KL, Friis S, Barder HE, Evensen J, Haahr U, ten Velden Hegelstad W, Joa I, Johannessen JO, Langeveld J, Larsen TK, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T, Melle I, Røssberg JI (2016)
Subjective quality of life in first-episode psychosis. A ten year follow-up study
Schizophr Res, 172 (1-3), 23-8
DOI 10.1016/j.schres.2016.02.034, PubMed 26947210

Haahr UH, Larsen TK, Simonsen E, Rund BR, Joa I, Rossberg JI, Johannessen JO, Langeveld J, Evensen J, Trauelsen AMH, Vaglum P, Opjordsmoen S, Hegelstad WTV, Friis S, McGlashan T, Melle I (2016)
Relation between premorbid adjustment, duration of untreated psychosis and close interpersonal trauma in first-episode psychosis
Early Interv Psychiatry, 12 (3), 316-323
DOI 10.1111/eip.12315, PubMed 26800653

Kvale A, Bunkan BH, Opjordsmoen S, Friis S (2016)
The Global Body Examination (GBE): A useful instrument for examination of patients with long-lasting musculoskeletal and/or psychological disorders
Eur. J. Physiother., 18 (2), 137-143
DOI 10.3109/21679169.2016.1149217

Friis S, Melle I, Johannessen JO, Røssberg JI, Barder HE, Evensen JH, Haahr U, Ten Velden Hegelstad W, Joa I, Langeveld J, Larsen TK, Opjordsmoen S, Rund BR, Simonsen E, Vaglum PW, McGlashan TH (2015)
Early Predictors of Ten-Year Course in First-Episode Psychosis
Psychiatr Serv, 67 (4), 438-43
DOI 10.1176/appi.ps.201400558, PubMed 26567932

Rund BR, Barder HE, Evensen J, Haahr U, ten Velden Hegelstad W, Joa I, Johannessen JO, Langeveld J, Larsen TK, Melle I, Opjordsmoen S, Røssberg JI, Simonsen E, Sundet K, Vaglum P, McGlashan T, Friis S (2015)
Neurocognition and Duration of Psychosis: A 10-year Follow-up of First-Episode Patients
Schizophr Bull, 42 (1), 87-95
DOI 10.1093/schbul/sbv083, PubMed 26101305

Yeisen RA, Joa I, Johannessen JO, Opjordsmoen S (2015)
Use of medication algorithms in first episode psychosis: a naturalistic observational study
Early Interv Psychiatry, 10 (6), 503-510
DOI 10.1111/eip.12203, PubMed 25588989

Barder HE, Sundet K, Rund BR, Evensen J, Haahr U, ten Velden Hegelstad W, Joa I, Johannessen JO, Langeveld J, Larsen TK, Melle I, Opjordsmoen S, Røssberg JI, Simonsen E, Vaglum P, McGlashan T, Friis SP (2014)
10 year course of IQ in first-episode psychosis: relationship between duration of psychosis and long-term intellectual trajectories
Psychiatry Res, 225 (3), 515-21
DOI 10.1016/j.psychres.2014.11.054, PubMed 25535007

Sönmez N, Røssberg JI, Evensen J, Barder HE, Haahr U, Ten Velden Hegelstad W, Joa I, Johannessen JO, Langeveld H, Larsen TK, Melle I, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T, Friis S (2014)
Depressive symptoms in first-episode psychosis: a 10-year follow-up study
Early Interv Psychiatry, 10 (3), 227-33
DOI 10.1111/eip.12163, PubMed 24956976

Langeveld J, Bjørkly S, Auestad B, Barder H, Evensen J, Ten Velden Hegelstad W, Joa I, Johannessen JO, Larsen TK, Melle I, Opjordsmoen S, Røssberg JI, Rund BR, Simonsen E, Vaglum P, McGlashan T, Friis S (2014)
Treatment and violent behavior in persons with first episode psychosis during a 10-year prospective follow-up study
Schizophr Res, 156 (2-3), 272-6
DOI 10.1016/j.schres.2014.04.010, PubMed 24837683

Lensing MB, Zeiner P, Sandvik L, Opjordsmoen S (2014)
Psychopharmacological treatment of ADHD in adults aged 50+: an empirical study
J Atten Disord, 19 (5), 380-9
DOI 10.1177/1087054714527342, PubMed 24681898

Opjordsmoen S (2014)
Delusional disorder as a partial psychosis
Schizophr Bull, 40 (2), 244-7
DOI 10.1093/schbul/sbt203, PubMed 24421383

Knutzen M, Bjørkly S, Eidhammer G, Lorentzen S, Mjøsund NH, Opjordsmoen S, Sandvik L, Friis S (2013)
Characteristics of patients frequently subjected to pharmacological and mechanical restraint--a register study in three Norwegian acute psychiatric wards
Psychiatry Res, 215 (1), 127-33
DOI 10.1016/j.psychres.2013.10.024, PubMed 24230996

Barder HE, Sundet K, Rund BR, Evensen J, Haahr U, Ten Velden Hegelstad W, Joa I, Johannessen JO, Langeveld J, Larsen TK, Melle I, Opjordsmoen S, Røssberg JI, Simonsen E, Vaglum P, McGlashan T, Friis S (2013)
Ten year neurocognitive trajectories in first-episode psychosis
Front Hum Neurosci, 7, 643
DOI 10.3389/fnhum.2013.00643, PubMed 24109449

Lensing MB, Zeiner P, Sandvik L, Opjordsmoen S (2013)
Adults with ADHD: use and misuse of stimulant medication as reported by patients and their primary care physicians
Atten Defic Hyperact Disord, 5 (4), 369-76
DOI 10.1007/s12402-013-0116-8, PubMed 23975605

Barder HE, Sundet K, Rund BR, Evensen J, Haahr U, Ten Velden Hegelstad W, Joa I, Johannessen JO, Langeveld H, Larsen TK, Melle I, Opjordsmoen S, Røssberg JI, Simonsen E, Vaglum P, McGlashan T, Friis S (2013)
Neurocognitive development in first episode psychosis 5 years follow-up: associations between illness severity and cognitive course
Schizophr Res, 149 (1-3), 63-9
DOI 10.1016/j.schres.2013.06.016, PubMed 23810121

ten Velden Hegelstad W, Joa I, Barder H, Evensen J, Haahr U, Johannessen JO, Langeveld J, Melle I, Opjordsmoen S, Røssberg JI, Rund BR, Simonsen E, Vaglum P, McGlashan T, Friis S, Larsen TK (2013)
Variation in duration of untreated psychosis in an 18-year perspective
Early Interv Psychiatry, 8 (4), 323-31
DOI 10.1111/eip.12057, PubMed 23773272

Lensing MB, Zeiner P, Sandvik L, Opjordsmoen S (2013)
Quality of life in adults aged 50+ with ADHD
J Atten Disord, 19 (5), 405-13
DOI 10.1177/1087054713480035, PubMed 23514676

Kvale A, Bunkan BH, Opjordsmoen S, Friis S (2013)
Development of the Palpation Domain for Muscle and Skin in the Global Body Examination
J. Musculoskelet. Pain, 21 (1), 9-18
DOI 10.3109/10582452.2012.762821

Preljevic VT, Østhus TB, Os I, Sandvik L, Opjordsmoen S, Nordhus IH, Dammen T (2013)
Anxiety and depressive disorders in dialysis patients: association to health-related quality of life and mortality
Gen Hosp Psychiatry, 35 (6), 619-24
DOI 10.1016/j.genhosppsych.2013.05.006, PubMed 23896282

Lensing MB, Zeiner P, Sandvik L, Opjordsmoen S (2013)
Four-year outcome in psychopharmacologically treated adults with attention-deficit/hyperactivity disorder: a questionnaire survey
J Clin Psychiatry, 74 (1), e87-93
DOI 10.4088/JCP.12m07714, PubMed 23419235

Ten Velden Hegelstad W, Haahr U, Larsen TK, Auestad B, Barder H, Evensen J, Joa I, Johannessen JO, Langeveld J, Melle I, Opjordsmoen S, Rossberg JI, Rund BR, Simonsen E, Vaglum P, McGlashan T, Friis S (2012)
Early detection, early symptom progression and symptomatic remission after ten years in a first episode of psychosis study
Schizophr Res, 143 (2-3), 337-43
DOI 10.1016/j.schres.2012.10.027, PubMed 23219862

Knutzen M, Bjørkly S, Eidhammer G, Lorentzen S, Helen Mjøsund N, Opjordsmoen S, Sandvik L, Friis S (2012)
Mechanical and pharmacological restraints in acute psychiatric wards--why and how are they used?
Psychiatry Res, 209 (1), 91-7
DOI 10.1016/j.psychres.2012.11.017, PubMed 23219102

Langås AM, Malt UF, Opjordsmoen S (2012)
Independent versus substance-induced major depressive disorders in first-admission patients with substance use disorders: an exploratory study
J Affect Disord, 144 (3), 279-83
DOI 10.1016/j.jad.2012.10.008, PubMed 23158758

Langås AM, Malt UF, Opjordsmoen S (2012)
In-depth study of personality disorders in first-admission patients with substance use disorders
BMC Psychiatry, 12, 180
DOI 10.1186/1471-244X-12-180, PubMed 23107025

Jónsdóttir H, Opjordsmoen S, Birkenaes AB, Simonsen C, Engh JA, Ringen PA, Vaskinn A, Friis S, Sundet K, Andreassen OA (2012)
Predictors of medication adherence in patients with schizophrenia and bipolar disorder
Acta Psychiatr Scand, 127 (1), 23-33
DOI 10.1111/j.1600-0447.2012.01911.x, PubMed 22900964

Friis S, Kvåle A, Opjordsmoen S, Bunkan BH (2012)
The Global Body Examination (GBE). A useful instrument for evaluation of respiration
Adv Physiother, 14 (4), 146-154
DOI 10.3109/14038196.2012.704943, PubMed 23243389

Preljevic VT, Østhus TB, Sandvik L, Opjordsmoen S, Nordhus IH, Os I, Dammen T (2012)
Screening for anxiety and depression in dialysis patients: comparison of the Hospital Anxiety and Depression Scale and the Beck Depression Inventory
J Psychosom Res, 73 (2), 139-44
DOI 10.1016/j.jpsychores.2012.04.015, PubMed 22789418

Evensen J, Røssberg JI, Barder H, Haahr U, Hegelstad WT, Joa I, Johannessen JO, Larsen TK, Melle I, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T, Friis S (2012)
Flat affect and social functioning: a 10 year follow-up study of first episode psychosis patients
Schizophr Res, 139 (1-3), 99-104
DOI 10.1016/j.schres.2012.04.019, PubMed 22627124

Hegelstad WT, Larsen TK, Auestad B, Evensen J, Haahr U, Joa I, Johannesen JO, Langeveld J, Melle I, Opjordsmoen S, Rossberg JI, Rund BR, Simonsen E, Sundet K, Vaglum P, Friis S, McGlashan T (2012)
Long-term follow-up of the TIPS early detection in psychosis study: effects on 10-year outcome
Am J Psychiatry, 169 (4), 374-80
DOI 10.1176/appi.ajp.2011.11030459, PubMed 22407080

Langeveld J, Joa I, Friis S, ten Velden Hegelstad W, Melle I, Johannessen JO, Opjordsmoen S, Simonsen E, Vaglum P, Auestad B, McGlashan T, Larsen TK (2012)
A comparison of adolescent- and adult-onset first-episode, non-affective psychosis: 2-year follow-up
Eur Arch Psychiatry Clin Neurosci, 262 (7), 599-605
DOI 10.1007/s00406-012-0308-9, PubMed 22441715

Evensen J, Røssberg JI, Barder H, Haahr U, Hegelstad Wt, Joa I, Johannessen JO, Larsen TK, Melle I, Opjordsmoen S, Rund BR, Simonsen E, Sundet K, Vaglum P, Friis S, McGlashan T (2012)
Apathy in first episode psychosis patients: a ten year longitudinal follow-up study
Schizophr Res, 136 (1-3), 19-24
DOI 10.1016/j.schres.2011.12.019, PubMed 22285655

Haahr U, Simonsen E, Røssberg JI, Johannessen JO, Larsen TK, Melle I, Opjordsmoen S, Rund BR, Vaglum P, Friis S, McGlashan T (2012)
Patient satisfaction with treatment in first-episode psychosis
Nord J Psychiatry, 66 (5), 329-35
DOI 10.3109/08039488.2011.644808, PubMed 22250962

Langås AM, Malt UF, Opjordsmoen S (2011)
Substance use disorders and comorbid mental disorders in first-time admitted patients from a catchment area
Eur Addict Res, 18 (1), 16-25
DOI 10.1159/000332234, PubMed 22042311

Kvåle A, Bunkan BH, Opjordsmoen S, Friis S (2011)
Development of the movement domain in the global body examination
Physiother Theory Pract, 28 (1), 41-9
DOI 10.3109/09593985.2011.561419, PubMed 21682584

Ilner SO (2011)
[When the patient threatens or attacks]
Tidsskr Nor Laegeforen, 131 (9-10), 973-4
DOI 10.4045/tidsskr.11.0482, PubMed 21607000

Tandberg M, Ueland T, Sundet K, Haahr U, Joa I, Johannessen JO, Larsen TK, Opjordsmoen S, Rund BR, Røssberg JI, Simonsen E, Vaglum P, Melle I, Friis S, McGlashan T (2011)
Neurocognition and occupational functioning in patients with first-episode psychosis: a 2-year follow-up study
Psychiatry Res, 188 (3), 334-42
DOI 10.1016/j.psychres.2011.04.021, PubMed 21575993

Knutzen M, Mjosund NH, Eidhammer G, Lorentzen S, Opjordsmoen S, Sandvik L, Friis S (2011)
Characteristics of psychiatric inpatients who experienced restraint and those who did not: a case-control study
Psychiatr Serv, 62 (5), 492-7
DOI 10.1176/ps.62.5.pss6205_0492, PubMed 21532074

Langås AM, Malt UF, Opjordsmoen S (2011)
Comorbid mental disorders in substance users from a single catchment area--a clinical study
BMC Psychiatry, 11, 25
DOI 10.1186/1471-244X-11-25, PubMed 21314980

Preljevic VT, Østhus TB, Sandvik L, Bringager CB, Opjordsmoen S, Nordhus IH, Os I, Dammen T (2011)
Psychiatric disorders, body mass index and C-reactive protein in dialysis patients
Gen Hosp Psychiatry, 33 (5), 454-61
DOI 10.1016/j.genhosppsych.2011.06.010, PubMed 21831445

Evensen J, Røssberg JI, Haahr U, ten Velden Hegelstad W, Joa I, Johannessen JO, Langeveld H, Larsen TK, Melle I, Opjordsmoen S, Rund BR, Simonsen E, Sundet K, Vaglum P, Friis S, McGlashan T (2011)
Contrasting monosymptomatic patients with hallucinations and delusions in first-episode psychosis patients: a five-year longitudinal follow-up study
Psychopathology, 44 (2), 90-7
DOI 10.1159/000319789, PubMed 21228615

Moksnes KM, Ilner SO (2010)
Electroconvulsive therapy--efficacy and side-effects
Tidsskr Nor Laegeforen, 130 (24), 2460-4
DOI 10.4045/tidsskr.09.1102, PubMed 21164584

Melle I, Røssberg JI, Joa I, Friis S, Haahr U, Johannessen JO, Larsen TK, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T (2010)
The development of subjective quality of life over the first 2 years in first-episode psychosis
J Nerv Ment Dis, 198 (12), 864-9
DOI 10.1097/NMD.0b013e3181fe7258, PubMed 21135636

Rossberg JI, Johannessen JO, Klungsoyr O, Opjordsmoen S, Evensen J, Fjell A, Haahr U, Joa I, Langeveld J, Larsen TK, Melle I, Rund BR, Simonsen E, ten Velden W, Vaglum P, Friis S, McGlashan T (2010)
Are multi family groups appropriate for patients with first episode psychosis? A 5-year naturalistic follow-up study
Acta Psychiatr Scand, 122 (5), 384-94
DOI 10.1111/j.1600-0447.2010.01571.x, PubMed 20491714

Larsen TK, Melle I, Auestad B, Haahr U, Joa I, Johannessen JO, Opjordsmoen S, Rund BR, Rossberg JI, Simonsen E, Vaglum P, Friis S, McGlashan T (2010)
Early detection of psychosis: positive effects on 5-year outcome
Psychol Med, 41 (7), 1461-9
DOI 10.1017/S0033291710002023, PubMed 20942996

Simonsen E, Friis S, Opjordsmoen S, Mortensen EL, Haahr U, Melle I, Joa I, Johannessen JO, Larsen TK, Røssberg JI, Rund BR, Vaglum P, McGlashan TH (2010)
Early identification of non-remission in first-episode psychosis in a two-year outcome study
Acta Psychiatr Scand, 122 (5), 375-83
DOI 10.1111/j.1600-0447.2010.01598.x, PubMed 20722632

Johannessen JO, Joa I, Auestad B, Haahr U, Larsen TK, Melle I, Opjordsmoen S, Simonsen P, Rund BR, Simonsen E, Vaglum P, Friis S, McGlashan T (2010)
First-episode psychosis patients recruited into treatment via early detection teams versus ordinary pathways: course and health service use during 5 years
Early Interv Psychiatry, 5 (1), 70-5
DOI 10.1111/j.1751-7893.2010.00201.x, PubMed 21272278

Jónsdóttir H, Opjordsmoen S, Birkenaes AB, Engh JA, Ringen PA, Vaskinn A, Aamo TO, Friis S, Andreassen OA (2010)
Medication adherence in outpatients with severe mental disorders: relation between self-reports and serum level
J Clin Psychopharmacol, 30 (2), 169-75
DOI 10.1097/JCP.0b013e3181d2191e, PubMed 20520290

Opjordsmoen S, Friis S, Melle I, Haahr U, Johannessen JO, Larsen TK, Røssberg JI, Rund BR, Simonsen E, Vaglum P, McGlashan TH (2010)
A 2-year follow-up of involuntary admission's influence upon adherence and outcome in first-episode psychosis
Acta Psychiatr Scand, 121 (5), 371-6
DOI 10.1111/j.1600-0447.2009.01536.x, PubMed 20085554

Melle I, Johannessen JO, Friis S, Haahr U, Joa I, Larsen TK, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T (2010)
Course and predictors of suicidality over the first two years of treatment in first-episode schizophrenia spectrum psychosis
Arch Suicide Res, 14 (2), 158-70
DOI 10.1080/13811111003704787, PubMed 20455151

Kvale A, Bunkan BH, Opjordsmoen S, Ljunggren E, Friis S (2010)
Development of the Posture domain in the Global Body Examination (GBE)
Eur. J. Physiother., 12 (3), 157-165
DOI 10.3109/14038196.2010.489618

Ringen PA, Vaskinn A, Sundet K, Engh JA, Jónsdóttir H, Simonsen C, Friis S, Opjordsmoen S, Melle I, Andreassen OA (2009)
Opposite relationships between cannabis use and neurocognitive functioning in bipolar disorder and schizophrenia
Psychol Med, 40 (8), 1337-47
DOI 10.1017/S0033291709991620, PubMed 19891810

Simonsen C, Sundet K, Vaskinn A, Birkenaes AB, Engh JA, Faerden A, Jónsdóttir H, Ringen PA, Opjordsmoen S, Melle I, Friis S, Andreassen OA (2009)
Neurocognitive dysfunction in bipolar and schizophrenia spectrum disorders depends on history of psychosis rather than diagnostic group
Schizophr Bull, 37 (1), 73-83
DOI 10.1093/schbul/sbp034, PubMed 19443616

Birkenaes AB, Birkeland KI, Friis S, Opjordsmoen S, Andreassen OA (2009)
Hormonal markers of metabolic dysregulation in patients with severe mental disorders after olanzapine treatment under real-life conditions
J Clin Psychopharmacol, 29 (2), 109-16
DOI 10.1097/JCP.0b013e31819b95fc, PubMed 19512971

Joa I, Johannessen JO, Langeveld J, Friis S, Melle I, Opjordsmoen S, Simonsen E, Vaglum P, McGlashan T, Larsen TK (2009)
Baseline profiles of adolescent vs. adult-onset first-episode psychosis in an early detection program
Acta Psychiatr Scand, 119 (6), 494-500
DOI 10.1111/j.1600-0447.2008.01338.x, PubMed 19207132

Opjordsmoen S, Melle I, Friis S, Haahr U, Johannessen JO, Larsen TK, Rund BR, Simonsen E, Vaglum P, McGlashan TH (2009)
Stability of medication in early psychosis: a comparison between second-generation and low-dose first-generation antipsychotics
Early Interv Psychiatry, 3 (1), 58-65
DOI 10.1111/j.1751-7893.2008.00103.x, PubMed 21352176

Engh JA, Friis S, Birkenaes AB, Jónsdóttir H, Klungsøyr O, Ringen PA, Simonsen C, Vaskinn A, Opjordsmoen S, Andreassen OA (2009)
Delusions are associated with poor cognitive insight in schizophrenia
Schizophr Bull, 36 (4), 830-5
DOI 10.1093/schbul/sbn193, PubMed 19176474

Vaskinn A, Sundet K, Friis S, Ueland T, Simonsen C, Birkenaes AB, Engh JA, Jónsdóttir H, Opjordsmoen S, Ringen PA, Andreassen OA (2009)
Using the Wisconsin Card Sorting Test to assess learning potential in normal IQ schizophrenia: does it have potential?
Nord J Psychiatry, 63 (5), 405-11
DOI 10.1080/08039480902879941, PubMed 19365785

Varga M, Babovic A, Flekkoy K, Ronneberg U, Landro NI, David AS, Opjordsmoen S (2008)
Reduced insight in bipolar I disorder: neurofunctional and neurostructural correlates: a preliminary study
J Affect Disord, 116 (1-2), 56-63
DOI 10.1016/j.jad.2008.11.005, PubMed 19062101

Simonsen E, Haahr U, Mortensen EL, Friis S, Johannessen JO, Larsen TK, Melle I, Opjordsmoen S, Rund BR, McGlashan T, Vaglum P (2008)
Personality disorders in first-episode psychosis
Personal. Ment. Health, 2 (4), 230-239
DOI 10.1002/pmh.49

Kähler AK, Djurovic S, Kulle B, Jönsson EG, Agartz I, Hall H, Opjordsmoen S, Jakobsen KD, Hansen T, Melle I, Werge T, Steen VM, Andreassen OA (2008)
Association analysis of schizophrenia on 18 genes involved in neuronal migration: MDGA1 as a new susceptibility gene
Am J Med Genet B Neuropsychiatr Genet, 147B (7), 1089-100
DOI 10.1002/ajmg.b.30726, PubMed 18384059

Rossberg JI, Melle I, Opjordsmoen S, Friis S (2008)
The relationship between staff members' working conditions and patients' perceptions of the treatment environment
Int J Soc Psychiatry, 54 (5), 437-46
DOI 10.1177/0020764008090689, PubMed 18786905

Ringen PA, Melle I, Birkenaes AB, Engh JA, Faerden A, Vaskinn A, Friis S, Opjordsmoen S, Andreassen OA (2008)
The level of illicit drug use is related to symptoms and premorbid functioning in severe mental illness
Acta Psychiatr Scand, 118 (4), 297-304
DOI 10.1111/j.1600-0447.2008.01244.x, PubMed 18759810

Melle I, Larsen TK, Haahr U, Friis S, Johannesen JO, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T (2008)
Prevention of negative symptom psychopathologies in first-episode schizophrenia: two-year effects of reducing the duration of untreated psychosis
Arch Gen Psychiatry, 65 (6), 634-40
DOI 10.1001/archpsyc.65.6.634, PubMed 18519821

Jónsdóttir H, Engh JA, Friis S, Birkenaes A, Ringen PA, Vaskinn A, Sundet K, Opjordsmoen S, Andreassen OA (2008)
Measurement of insight in patients with bipolar disorder: are self-rated scales developed for patients with schizophrenia applicable?
J Nerv Ment Dis, 196 (4), 333-5
DOI 10.1097/NMD.0b013e31816a62b2, PubMed 18414129

Birkenaes AB, Birkeland KI, Engh JA, Faerden A, Jonsdottir H, Ringen PA, Friis S, Opjordsmoen S, Andreassen OA (2008)
Dyslipidemia independent of body mass in antipsychotic-treated patients under real-life conditions
J Clin Psychopharmacol, 28 (2), 132-7
DOI 10.1097/JCP.0b013e318166c4f7, PubMed 18344722

Vaskinn A, Sundet K, Friis S, Ueland T, Simonsen C, Birkenaes AB, Engh JA, Opjordsmoen S, Andreassen OA (2008)
Can learning potential in schizophrenia be assessed with the standard CVLT-II? An exploratory study
Scand J Psychol, 49 (2), 179-86
DOI 10.1111/j.1467-9450.2008.00627.x, PubMed 18352988

Simonsen C, Sundet K, Vaskinn A, Birkenaes AB, Engh JA, Hansen CF, Jónsdóttir H, Ringen PA, Opjordsmoen S, Friis S, Andreassen OA (2008)
Neurocognitive profiles in bipolar I and bipolar II disorder: differences in pattern and magnitude of dysfunction
Bipolar Disord, 10 (2), 245-55
DOI 10.1111/j.1399-5618.2007.00492.x, PubMed 18271903

Opjordsmoen S, Brockington I (2008)
Nils Retterstøl in memoriam (1924-2008)
Psychopathology, 41 (5), 338
DOI 10.1159/000146073, PubMed 18635938

Haahr U, Friis S, Larsen TK, Melle I, Johannessen JO, Opjordsmoen S, Simonsen E, Rund BR, Vaglum P, McGlashan T (2008)
First-episode psychosis: diagnostic stability over one and two years
Psychopathology, 41 (5), 322-9
DOI 10.1159/000146070, PubMed 18635935

Ringen PA, Melle I, Birkenaes AB, Engh JA, Faerden A, Jónsdóttir H, Nesvåg R, Vaskinn A, Friis S, Larsen F, Opjordsmoen S, Sundet K, Andreassen OA (2007)
Illicit drug use in patients with psychotic disorders compared with that in the general population: a cross-sectional study
Acta Psychiatr Scand, 117 (2), 133-8
DOI 10.1111/j.1600-0447.2007.01135.x, PubMed 18081921

Engh JA, Friis S, Birkenaes AB, Jónsdóttir H, Ringen PA, Ruud T, Sundet KS, Opjordsmoen S, Andreassen OA (2007)
Measuring cognitive insight in schizophrenia and bipolar disorder: a comparative study
BMC Psychiatry, 7, 71
DOI 10.1186/1471-244X-7-71, PubMed 18072961

Ringen PA, Lagerberg TV, Birkenaes AB, Engn J, Faerden A, Jónsdottir H, Nesvåg R, Friis S, Opjordsmoen S, Larsen F, Melle I, Andreassen OA (2007)
Differences in prevalence and patterns of substance use in schizophrenia and bipolar disorder
Psychol Med, 38 (9), 1241-9
DOI 10.1017/S003329170700236X, PubMed 18070373

Larsen TK, Melle I, Friis S, Joa I, Johannessen JO, Opjordsmoen S, Simonsen E, Vaglum P, McGlashan TH (2007)
One-year effect of changing duration of untreated psychosis in a single catchment area
Br J Psychiatry Suppl, 51, s128-32
DOI 10.1192/bjp.191.51.s128, PubMed 18055929

Joa I, Johannessen JO, Auestad B, Friis S, Opjordsmoen S, Simonsen E, Vaglum P, McGlashan T, Larsen TK (2007)
Effects on referral patterns of reducing intensive informational campaigns about first-episode psychosis
Early Interv Psychiatry, 1 (4), 340-5
DOI 10.1111/j.1751-7893.2007.00047.x, PubMed 21352122

Vaskinn A, Sundet K, Friis S, Simonsen C, Birkenaes AB, Engh JA, Jónsdóttir H, Ringen PA, Opjordsmoen S, Andreassen OA (2007)
The effect of gender on emotion perception in schizophrenia and bipolar disorder
Acta Psychiatr Scand, 116 (4), 263-70
DOI 10.1111/j.1600-0447.2007.00991.x, PubMed 17803756

Joa I, Johannessen JO, Auestad B, Friis S, McGlashan T, Melle I, Opjordsmoen S, Simonsen E, Vaglum P, Larsen TK (2007)
The key to reducing duration of untreated first psychosis: information campaigns
Schizophr Bull, 34 (3), 466-72
DOI 10.1093/schbul/sbm095, PubMed 17905788

Simonsen E, Friis S, Haahr U, Johannessen JO, Larsen TK, Melle I, Opjordsmoen S, Rund BR, Vaglum P, McGlashan T (2007)
Clinical epidemiologic first-episode psychosis: 1-year outcome and predictors
Acta Psychiatr Scand, 116 (1), 54-61
DOI 10.1111/j.1600-0447.2006.00942.x, PubMed 17559601

Haraldsen IR, Haug E, Falch J, Egeland T, Opjordsmoen S (2007)
Cross-sex pattern of bone mineral density in early onset gender identity disorder
Horm Behav, 52 (3), 334-43
DOI 10.1016/j.yhbeh.2007.05.012, PubMed 17604029

Birkenaes AB, Opjordsmoen S, Brunborg C, Engh JA, Jonsdottir H, Ringen PA, Simonsen C, Vaskinn A, Birkeland KI, Friis S, Sundet K, Andreassen OA (2007)
The level of cardiovascular risk factors in bipolar disorder equals that of schizophrenia: a comparative study
J Clin Psychiatry, 68 (6), 917-23
DOI 10.4088/jcp.v68n0614, PubMed 17592917

Vatnaland T, Vatnaland J, Friis S, Opjordsmoen S (2007)
Are GAF scores reliable in routine clinical use?
Acta Psychiatr Scand, 115 (4), 326-30
DOI 10.1111/j.1600-0447.2006.00925.x, PubMed 17355524

Johannessen JO, Friis S, Joa I, Haahr U, Larsen TK, Melle I, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T (2007)
First-episode psychosis patients recruited into treatment via early detection teams versus ordinary pathways: course, outcome and health service use during first 2 years
Early Interv Psychiatry, 1 (1), 40-8
DOI 10.1111/j.1751-7893.2007.00003.x, PubMed 21352107

Rund BR, Melle I, Friis S, Johannessen JO, Larsen TK, Midbøe LJ, Opjordsmoen S, Simonsen E, Vaglum P, McGlashan T (2007)
The course of neurocognitive functioning in first-episode psychosis and its relation to premorbid adjustment, duration of untreated psychosis, and relapse
Schizophr Res, 91 (1-3), 132-40
DOI 10.1016/j.schres.2006.11.030, PubMed 17258891

Knutzen M, Sandvik L, Hauff E, Opjordsmoen S, Friis S (2007)
Association between patients' gender, age and immigrant background and use of restraint--a 2-year retrospective study at a department of emergency psychiatry
Nord J Psychiatry, 61 (3), 201-6
DOI 10.1080/08039480701352520, PubMed 17523032

Varga M, Magnusson A, Flekkøy K, David AS, Opjordsmoen S (2007)
Clinical and neuropsychological correlates of insight in schizophrenia and bipolar I disorder: does diagnosis matter?
Compr Psychiatry, 48 (6), 583-91
DOI 10.1016/j.comppsych.2007.06.003, PubMed 17954145

Opjordsmoen S, Retterstøl N (2007)
Dimensions of delusional experiences and their value as predictors of long-term outcome
Psychopathology, 40 (5), 278-81
DOI 10.1159/000104743, PubMed 17622706

Opjordsmoen S (2006)
[District psychiatry centers with unsatisfactory quality]
Tidsskr Nor Laegeforen, 126 (21), 2826
PubMed 17086226

Larsen TK, Melle I, Auestad B, Friis S, Haahr U, Johannessen JO, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan TH (2006)
Substance abuse in first-episode non-affective psychosis
Schizophr Res, 88 (1-3), 55-62
DOI 10.1016/j.schres.2006.07.018, PubMed 16971092

Larsen TK, Melle I, Auestad B, Friis S, Haahr U, Johannessen JO, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T (2006)
Early detection of first-episode psychosis: the effect on 1-year outcome
Schizophr Bull, 32 (4), 758-64
DOI 10.1093/schbul/sbl005, PubMed 16809640

Melle I, Johannesen JO, Friis S, Haahr U, Joa I, Larsen TK, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T (2006)
Early detection of the first episode of schizophrenia and suicidal behavior
Am J Psychiatry, 163 (5), 800-4
DOI 10.1176/ajp.2006.163.5.800, PubMed 16648319

Birkenaes AB, Søgaard AJ, Engh JA, Jonsdottir H, Ringen PA, Vaskinn A, Friis S, Sundet K, Opjordsmoen S, Andreassen OA (2006)
Sociodemographic characteristics and cardiovascular risk factors in patients with severe mental disorders compared with the general population
J Clin Psychiatry, 67 (3), 425-33
DOI 10.4088/jcp.v67n0314, PubMed 16649830

Varga M, Magnusson A, Flekkøy K, Rønneberg U, Opjordsmoen S (2006)
Insight, symptoms and neurocognition in bipolar I patients
J Affect Disord, 91 (1), 1-9
DOI 10.1016/j.jad.2005.09.002, PubMed 16442637

Gjeruldsen S, Loge JH, Myrvang B, Opjordsmoen S (2006)
Drug addiction in hepatitis C patients leads to a lower quality of life
Nord J Psychiatry, 60 (2), 157-61
DOI 10.1080/08039480600583639, PubMed 16635936

Røssberg JI, Melle I, Opjordsmoen S, Friis S (2006)
Patient satisfaction and treatment environment: a 20-year follow-up study from an acute psychiatric ward
Nord J Psychiatry, 60 (2), 176-80
DOI 10.1080/08039480600583894, PubMed 16635939

Melle I, Haahr U, Friis S, Hustoft K, Johannessen JO, Larsen TK, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan T (2005)
Reducing the duration of untreated first-episode psychosis -- effects on baseline social functioning and quality of life
Acta Psychiatr Scand, 112 (6), 469-73
DOI 10.1111/j.1600-0447.2005.00638.x, PubMed 16279877

Haraldsen IR, Egeland T, Haug E, Finset A, Opjordsmoen S (2005)
Cross-sex hormone treatment does not change sex-sensitive cognitive performance in gender identity disorder patients
Psychiatry Res, 137 (3), 161-74
DOI 10.1016/j.psychres.2005.05.014, PubMed 16297984

Mohl A, Westlye K, Opjordsmoen S, Lex A, Schreiner A, Benoit M, Bräunig P, Medori R (2005)
Long-acting risperidone in stable patients with schizoaffective disorder
J Psychopharmacol, 19 (5 Suppl), 22-31
DOI 10.1177/0269881105056515, PubMed 16144783

Friis S, Vaglum P, Haahr U, Johannessen JO, Larsen TK, Melle I, Opjordsmoen S, Rund BR, Simonsen E, McGlashan TH (2005)
Effect of an early detection programme on duration of untreated psychosis: part of the Scandinavian TIPS study
Br J Psychiatry Suppl, 48, s29-32
DOI 10.1192/bjp.187.48.s29, PubMed 16055804

Johannessen JO, Larsen TK, Joa I, Melle I, Friis S, Opjordsmoen S, Rund BR, Simonsen E, Vaglum P, McGlashan TH (2005)
Pathways to care for first-episode psychosis in an early detection healthcare sector: part of the Scandinavian TIPS study
Br J Psychiatry Suppl, 48, s24-8
DOI 10.1192/bjp.187.48.s24, PubMed 16055803

Melle I, Friis S, Haahr U, Johannesen JO, Larsen TK, Opjordsmoen S, Roessberg JI, Rund BR, Simonsen E, Vaglum P, McGlashan T (2005)
Measuring quality of life in first-episode psychosis
Eur Psychiatry, 20 (7), 474-83
DOI 10.1016/j.eurpsy.2005.03.002, PubMed 15967642

Hem E, Andreassen OA, Robasse JM, Vatnaland T, Opjordsmoen S (2005)
Should catatonia be part of the differential diagnosis of coma?
Nord J Psychiatry, 59 (6), 528-30
DOI 10.1080/08039480500360765, PubMed 16316908

Friis S, Melle I, Larsen TK, Haahr U, Johannessen JO, Simonsen E, Opjordsmoen S, Vaglum P, McGlashan TH (2004)
Does duration of untreated psychosis bias study samples of first-episode psychosis?
Acta Psychiatr Scand, 110 (4), 286-91
DOI 10.1111/j.1600-0447.2004.00381.x, PubMed 15352930

Larsen TK, Friis S, Haahr U, Johannessen JO, Melle I, Opjordsmoen S, Rund BR, Simonsen E, Vaglum PV, McGlashan TH (2004)
Premorbid adjustment in first-episode non-affective psychosis: distinct patterns of pre-onset course
Br J Psychiatry, 185, 108-15
DOI 10.1192/bjp.185.2.108, PubMed 15286061

Eberhard-Gran M, Tambs K, Opjordsmoen S, Skrondal A, Eskild A (2004)
Depression during pregnancy and after delivery: a repeated measurement study
J Psychosom Obstet Gynaecol, 25 (1), 15-21
DOI 10.1080/01674820410001737405, PubMed 15376401

Rund BR, Melle I, Friis S, Larsen TK, Midbøe LJ, Opjordsmoen S, Simonsen E, Vaglum P, McGlashan T (2004)
Neurocognitive dysfunction in first-episode psychosis: correlates with symptoms, premorbid adjustment, and duration of untreated psychosis
Am J Psychiatry, 161 (3), 466-72
DOI 10.1176/appi.ajp.161.3.466, PubMed 14992972

Melle I, Larsen TK, Haahr U, Friis S, Johannessen JO, Opjordsmoen S, Simonsen E, Rund BR, Vaglum P, McGlashan T (2004)
Reducing the duration of untreated first-episode psychosis: effects on clinical presentation
Arch Gen Psychiatry, 61 (2), 143-50
DOI 10.1001/archpsyc.61.2.143, PubMed 14757590

Rogne Gjeruldsen S, Myrvang B, Opjordsmoen S (2004)
Criminality in drug addicts: a follow-up study over 25 years
Eur Addict Res, 10 (2), 49-55
DOI 10.1159/000076113, PubMed 15004447

Eberhard-Gran M, Tambs K, Opjordsmoen S, Skrondal A, Eskild A (2003)
A comparison of anxiety and depressive symptomatology in postpartum and non-postpartum mothers
Soc Psychiatry Psychiatr Epidemiol, 38 (10), 551-6
DOI 10.1007/s00127-003-0679-3, PubMed 14564383

Haraldsen IR, Opjordsmoen S, Egeland T, Finset A (2003)
Sex-sensitive cognitive performance in untreated patients with early onset gender identity disorder
Psychoneuroendocrinology, 28 (7), 906-15
DOI 10.1016/s0306-4530(02)00107-5, PubMed 12892657

Gjeruldsen SR, Myrvang B, Opjordsmoen S (2003)
A 25-year follow-up study of drug addicts hospitalised for acute hepatitis: present and past morbidity
Eur Addict Res, 9 (2), 80-6
DOI 10.1159/000068805, PubMed 12644734

Bunkan BH, Opjordsmoen S, Moen O, Ljunggren AE, Friis S (2003)
Palpation of skeletal muscles: A psychometric evaluation of the muscular items of the comprehensive body examination
J. Musculoskelet. Pain, 11 (1), 21-30
DOI 10.1300/J094v11n01_05

Friis S, Larsen TK, Melle I, Opjordsmoen S, Johannessen JO, Haahr U, Simonsen E, Rund BR, Vaglum P, McGlashan T (2003)
Methodological pitfalls in early detection studies - the NAPE Lecture 2002. Nordic Association for Psychiatric Epidemiology
Acta Psychiatr Scand, 107 (1), 3-9
DOI 10.1034/j.1600-0447.2003.02600.x, PubMed 12558535

Gjeruldsen S, Myrvang B, Opjordsmoen S (2003)
Risk factors for drug addiction and its outcome. A follow-up study over 25 years
Nord J Psychiatry, 57 (5), 373-6
DOI 10.1080/08039480310002714, PubMed 14522611

Eberhard-Gran M, Eskild A, Tambs K, Samuelsen SO, Opjordsmoen S (2002)
Depression in postpartum and non-postpartum women: prevalence and risk factors
Acta Psychiatr Scand, 106 (6), 426-33
DOI 10.1034/j.1600-0447.2002.02408.x, PubMed 12392485

Opjordsmoen S (2002)
[Some ethical aspects of schizophrenia treatment]
Tidsskr Nor Laegeforen, 122 (23), 2306-8
PubMed 12448275

Larsen TK, McGlashan TH, Johannessen JO, Friis S, Guldberg C, Haahr U, Horneland M, Melle I, Moe LC, Opjordsmoen S, Simonsen E, Vaglum P (2001)
Shortened duration of untreated first episode of psychosis: changes in patient characteristics at treatment
Am J Psychiatry, 158 (11), 1917-9
DOI 10.1176/appi.ajp.158.11.1917, PubMed 11691702

Johannessen JO, McGlashan TH, Larsen TK, Horneland M, Joa I, Mardal S, Kvebaek R, Friis S, Melle I, Opjordsmoen S, Simonsen E, Ulrik H, Vaglum P (2001)
Early detection strategies for untreated first-episode psychosis
Schizophr Res, 51 (1), 39-46
DOI 10.1016/s0920-9964(01)00237-7, PubMed 11479064

Gjeruldsen S, Abdelnoor M, Opjordsmoen S, Myrvang B (2001)
Death rates and causes of death in cohorts of serum hepatitis patients followed up for more than 20 years
Epidemiol Infect, 126 (1), 89-96
DOI 10.1017/s0950268801005064, PubMed 11293686

Hem E, Steen O, Opjordsmoen S (2001)
Thrombosis associated with physical restraints
Acta Psychiatr Scand, 103 (1), 73-5; discussion 75-6
DOI 10.1034/j.1600-0447.2001.00082.x, PubMed 11202132

Eberhard-Gran M, Eskild A, Tambs K, Schei B, Opjordsmoen S (2001)
The Edinburgh Postnatal Depression Scale: validation in a Norwegian community sample
Nord J Psychiatry, 55 (2), 113-7
DOI 10.1080/08039480151108525, PubMed 11802908

Bunkan BH, Ljunggren AE, Opjordsmoen S, Moen O, Friis S (2001)
What are the basic dimensions of movements? A psychometric evaluation of the Comprehensive Body Examination III
Nord J Psychiatry, 55 (1), 33-40
DOI 10.1080/080394801750093706, PubMed 11827604

Larøi F, Fannemel M, Rønneberg U, Flekkøy K, Opjordsmoen S, Dullerud R, Haakonsen M (2000)
Unawareness of illness in chronic schizophrenia and its relationship to structural brain measures and neuropsychological tests
Psychiatry Res, 100 (1), 49-58
DOI 10.1016/s0925-4927(00)00063-9, PubMed 11090725

Eberhard-Gran M, Eskild A, Opjordsmoen S, Schei B (2000)
[Postnatal care--sleep, rest and satisfaction]
Tidsskr Nor Laegeforen, 120 (12), 1405-9
PubMed 10851935

Fosså SD, Opjordsmoen S, Haug E (1999)
Androgen replacement and quality of life in patients treated for bilateral testicular cancer
Eur J Cancer, 35 (8), 1220-5
DOI 10.1016/s0959-8049(99)00123-9, PubMed 10615233

Hem E, Small T, Opjordsmoen S, Myrvang B (1999)
[Neurosyphilis--still a relevant differential diagnosis]
Tidsskr Nor Laegeforen, 119 (17), 2469-71
PubMed 10425898

Boyadjiev SA, Jabs EW, LaBuda M, Jamal JE, Torbergsen T, Ptácek LJ, Rogers RC, Nyberg-Hansen R, Opjordsmoen S, Zeller CB, Stine OC, Stalker HJ, Zori RT, Shapiro RE (1999)
Linkage analysis narrows the critical region for oculodentodigital dysplasia to chromosome 6q22-q23
Genomics, 58 (1), 34-40
DOI 10.1006/geno.1999.5814, PubMed 10331943

Bunkan BH, Opjordsmoen S, Moen O, Ljunggren AE, Friis S (1999)
What are the basic dimensions of respiration? A psychometric evaluation of the comprehensive body examination. II.
Nord. J. Psychiatr., 53 (5), 361-369
DOI 10.1080/080394899427836

Larsen TK, Johannessen JO, Opjordsmoen S (1998)
First-episode schizophrenia with long duration of untreated psychosis - Pathways to care
Br. J. Psychiatry, 172 33, 45-52
DOI 10.1192/S0007125000297651

Hem E, Opjordsmoen S, Sandset PM (1998)
[Venous thromboembolism in connection with physical restraint]
Tidsskr Nor Laegeforen, 118 (14), 2156-7
PubMed 9656810

Friis S, Bunkan BH, Ljunggren AE, Moen O, Opjordsmoen S (1998)
What are the basic dimensions of body posture? An empirical evaluation of the Comprehensive Body Examination. I.
Nord. J. Psychiatr., 52 (4), 319-326
DOI 10.1080/08039489850149769

Larsen TK, Johannessen JO, Opjordsmoen S (1998)
First-episode schizophrenia with long duration of untreated psychosis. Pathways to care
Br J Psychiatry Suppl, 172 (33), 45-52
PubMed 9764126

Magnusson A, Friis S, Opjordsmoen S (1997)
Internal consistency of the Seasonal Pattern Assessment Questionnaire (SPAQ)
J Affect Disord, 42 (2-3), 113-6
DOI 10.1016/s0165-0327(96)00104-8, PubMed 9105952

Opjordsmoen S, Bøyesen O, Nestvold K, Rø M, Unsgård G, Vigen T (1997)
[Assessment of medical disability after whiplash injury. The first 112 cases assessed by the expert group appointed by the Norwegian Medical Association]
Tidsskr Nor Laegeforen, 117 (1), 17-21
PubMed 9064803

Dietrichs E, Magnusson A, Opjordsmoen S (1996)
Acute dystonia caused by tetrabenazine - What does it tell us about pathophysiology?
Eur. J. Neurol., 3 (4), 395-396
DOI 10.1111/j.1468-1331.1996.tb00236.x

Magnusson A, Opjordsmoen S, Dietrichs E (1996)
[Drug-induced dystonia misinterpreted as hysteria]
Tidsskr Nor Laegeforen, 116 (7), 844-5
PubMed 8644096

Larsen TK, Opjordsmoen S (1996)
Early identification and treatment of schizophrenia: conceptual and ethical considerations
Psychiatry, 59 (4), 371-80
DOI 10.1080/00332747.1996.11024775, PubMed 9029658

Opjordsmoen S, Fosså SD (1994)
Quality of life in patients treated for penile cancer. A follow-up study
Br J Urol, 74 (5), 652-7
DOI 10.1111/j.1464-410x.1994.tb09200.x, PubMed 7827818

Fosså SD, Aass N, Opjordsmoen S (1994)
Assessment of quality of life in patients with prostate cancer
Semin Oncol, 21 (5), 657-61
PubMed 7524156

Opjordsmoen S (1994)
[Conversion disorders in children and adults]
Tidsskr Nor Laegeforen, 114 (12), 1404
PubMed 8079223

Opjordsmoen S, Waehre H, Aass N, Fossa SD (1994)
Sexuality in patients treated for penile cancer: patients' experience and doctors' judgement
Br J Urol, 73 (5), 554-60
DOI 10.1111/j.1464-410x.1994.tb07643.x, PubMed 8012779

Retterstøl N, Opjordsmoen S (1994)
Differences in diagnosis and long-term course and outcome between monosymptomatic and other delusional disorders
Psychopathology, 27 (3-5), 240-6
DOI 10.1159/000284876, PubMed 7846244

Opjordsmoen S (1993)
The duration criteria of delusional disorder in modern classification
Psychopathology, 26 (2), 85-9
DOI 10.1159/000284804, PubMed 8321897

Opjordsmoen S, Retterstöl N (1993)
Outcome in delusional disorder in different periods of time. Possible implications for treatment with neuroleptics
Psychopathology, 26 (2), 90-4
DOI 10.1159/000284805, PubMed 8100636

RETTERSTOL N, OPJORDSMOEN S (1992)
PARANOID AND PARANOIAC PSYCHOSES - DIFFERENCES BETWEEN MONOSYMPTOMATIC PARANOIAC AND PARANOID PSYCHOSES AS TO DIAGNOSIS AND LONG-TERM COURSE AND OUTCOME
Neurol. Psychiatr. Brain Res., 1 (2), 95-99

Opjordsmoen S, Retterstöl N (1991)
Delusional disorder: the predictive validity of the concept
Acta Psychiatr Scand, 84 (3), 250-4
DOI 10.1111/j.1600-0447.1991.tb03139.x, PubMed 1683095

Opjordsmoen S (1991)
Long-term clinical outcome of schizophrenia with special reference to gender differences
Acta Psychiatr Scand, 83 (4), 307-13
DOI 10.1111/j.1600-0447.1991.tb05545.x, PubMed 2028808

Opjordsmoen S (1991)
Unipolar delusional depression. Outcome in reactive versus endogenous types
Psychopathology, 24 (5), 260-9
DOI 10.1159/000284724, PubMed 1784700

Retterstøl N, Opjordsmoen S (1991)
Delusional psychoses associated with unpatriotic conduct during World War II: a long-term follow-up study
Psychopathology, 24 (4), 209-18
DOI 10.1159/000284716, PubMed 1754652

Opjordsmoen S (1991)
Paranoid (delusional) disorders in the light of a long-term follow-up study
Psychopathology, 24 (5), 287-92
DOI 10.1159/000284727, PubMed 1784703

Retterstøl N, Opjordsmoen S (1991)
Fatherhood, impending or newly established, precipitating delusional disorders. Long-term course and outcome
Psychopathology, 24 (4), 232-7
DOI 10.1159/000284719, PubMed 1754655

Retterstøl N, Opjordsmoen S (1991)
Erotomania--erotic self-reference psychosis in old maids. A long-term follow-up
Psychopathology, 24 (6), 388-97
DOI 10.1159/000284743, PubMed 1780433

Opjordsmoen S (1989)
Delusional disorders. I. Comparative long-term outcome
Acta Psychiatr Scand, 80 (6), 603-12
DOI 10.1111/j.1600-0447.1989.tb03033.x, PubMed 2618783

Opjordsmoen S (1989)
Delusional disorders. II. Predictor analysis of long-term outcome
Acta Psychiatr Scand, 80 (6), 613-9
DOI 10.1111/j.1600-0447.1989.tb03034.x, PubMed 2618784

Opjordsmoen S (1989)
Long-term course and outcome in unipolar affective and schizoaffective psychoses
Acta Psychiatr Scand, 79 (4), 317-26
DOI 10.1111/j.1600-0447.1989.tb10265.x, PubMed 2735203

Opjordsmoen S (1988)
[Drug therapy of paranoid conditions]
Tidsskr Nor Laegeforen, 108 (31), 2841-3
PubMed 2904709

Opjordsmoen S (1988)
Long-term course and outcome in delusional disorder
Acta Psychiatr Scand, 78 (5), 576-86
DOI 10.1111/j.1600-0447.1988.tb06387.x, PubMed 3232535

Opjordsmoen S (1988)
Hypochondriacal psychoses: a long-term follow-up
Acta Psychiatr Scand, 77 (5), 587-97
DOI 10.1111/j.1600-0447.1988.tb05172.x, PubMed 3407428

Opjordsmoen S (1987)
Toward an operationalization of reactive paranoid psychoses (reactive delusional disorder)
Psychopathology, 20 (2), 72-8
DOI 10.1159/000284482, PubMed 3423171

Opjordsmoen S, Retterstøl N (1987)
Hypochondriacal delusions in paranoid psychoses. Course and outcome compared with other types of delusions
Psychopathology, 20 (5-6), 272-84
DOI 10.1159/000284511, PubMed 3454451

Opjordsmoen S (1986)
Long-term follow-up of paranoid psychoses
Psychopathology, 19 (1-2), 44-9
DOI 10.1159/000284428, PubMed 3714938

Opjordsmoen S (1985)
[Outcome of paranoid psychoses. Follow-up study of 125 cases 23-37 years after the 1st hospitalization]
Ann Med Psychol (Paris), 143 (9), 886-93
PubMed 3834817

Opjordsmoen S, Retterstøl N (1985)
Methodological problems in follow-up studies of paranoid psychoses
Psychiatr Dev, 3 (2), 187-204
PubMed 4048146

Reinvang I, Opjordsmoen S (1981)
[Children and adolescents with aphasia]
Tidsskr Nor Laegeforen, 101 (9-10), 562-5
PubMed 6164112

Opjordsmoen S, Nyberg-Hansen R (1980)
Hereditary spastic paraplegia with neurogenic bladder disturbances and syndactylia
Acta Neurol Scand, 61 (1), 35-41
DOI 10.1111/j.1600-0404.1980.tb02993.x, PubMed 6249060

Opjordsmoen S, Aursnes I (1980)
Cerebral stroke in hospitals in Oslo. A prevalence study
J Oslo City Hosp, 30 (11-12), 145-50
PubMed 7218079

Opjordsmoen S, Torvik A (1974)
Amyloid neuropathy: report of a case verified by autopsy
J Oslo City Hosp, 24 (10), 145-51
PubMed 4375176

Review articles

Engh JA, Sundet K, Simonsen C, Vaskinn A, Lagerberg TV, Opjordsmoen S, Friis S, Andreassen OA (2011)
Verbal learning contributes to cognitive insight in schizophrenia independently of affective and psychotic symptoms
Prog Neuropsychopharmacol Biol Psychiatry, 35 (4), 1059-63
DOI 10.1016/j.pnpbp.2011.02.021, PubMed 21392553

Eberhard-Gran M, Eskild A, Opjordsmoen S (2006)
Use of psychotropic medications in treating mood disorders during lactation : practical recommendations
CNS Drugs, 20 (3), 187-98
DOI 10.2165/00023210-200620030-00002, PubMed 16529525

Eberhard-Gran M, Eskild A, Opjordsmoen S (2005)
Treating mood disorders during pregnancy: safety considerations
Drug Saf, 28 (8), 695-706
DOI 10.2165/00002018-200528080-00004, PubMed 16048355

Eberhard-Gran M, Eskild A, Tambs K, Opjordsmoen S, Samuelsen SO (2001)
Review of validation studies of the Edinburgh Postnatal Depression Scale
Acta Psychiatr Scand, 104 (4), 243-9
DOI 10.1034/j.1600-0447.2001.00187.x, PubMed 11722298

Opjordsmoen S (2001)
Reactive psychosis and other brief psychotic episodes
Curr Psychiatry Rep, 3 (4), 338-41
DOI 10.1007/s11920-001-0031-0, PubMed 11470042

Larsen TK, Friis S, Haahr U, Joa I, Johannessen JO, Melle I, Opjordsmoen S, Simonsen E, Vaglum P (2001)
Early detection and intervention in first-episode schizophrenia: a critical review
Acta Psychiatr Scand, 103 (5), 323-34
DOI 10.1034/j.1600-0447.2001.00131.x, PubMed 11380302

Opjordsmoen S (1991)
[Is there any connection between structural brain changes and schizophrenia?]
Tidsskr Nor Laegeforen, 111 (27), 3291-3
PubMed 1957288