Publications by Jan Ivar Røssberg

130 publications found

1. Baklund L, Røssberg JI, Melbye SA, Møller P (2024)
   Basic self-disturbance in adolescents at risk of psychosis: temporal stability investigated by the experience sampling method in a mixed method study
   BMJ Ment Health, 27 (1)
   DOI 10.1136/bmjment-2024-301209, PubMed 39486806
2. Norheim I, Pedersen R, Selle ML, Røssberg JI, Hestmark L, Heiervang KS, Ruud T, Åsholt VM, Hansson KM, Møller P, Fosse R, Romøren M (2024)
   Implementation of guidelines on Family Involvement for persons with Psychotic disorders: a pragmatic cluster randomized trial. Effect on relatives' outcomes and family interventions received
   Front Psychiatry, 15, 1381007
   DOI 10.3389/fpsyt.2024.1381007, PubMed 38855639
3. Malkomsen A, Røssberg JI, Dammen T, Wilberg T, Løvgren A, Ulberg R, Evensen J (2024)
   "It takes time to see the whole picture": patients' views on improvement in cognitive behavioral therapy and psychodynamic therapy after three years
   Front Psychiatry, 15, 1342950
   DOI 10.3389/fpsyt.2024.1342950, PubMed 38559399
4. Igland J, Forster R, Jenum AK, Strandberg RB, Berg TJ, Røssberg JI, Iversen MM, Buhl ES (2024)
   How valid is a prescription-based multimorbidity index (Rx-risk) in predicting mortality in the Outcomes and Multimorbidity In Type 2 diabetes (OMIT) study? A nation-wide registry-based cohort study from Norway
   BMJ Open, 14 (3), e077027
   DOI 10.1136/bmjopen-2023-077027, PubMed 38548358
5. Zhu Y, Maikusa N, Radua J, Sämann PG, Fusar-Poli P, Agartz I, Andreassen OA, Bachman P, Baeza I, Chen X, Choi S, Corcoran CM, Ebdrup BH, Fortea A, Garani RR, Glenthøj BY, Glenthøj LB, Haas SS, Hamilton HK, Hayes RA, He Y, Heekeren K, Kasai K, Katagiri N, Kim M et al. (2024)
   Using brain structural neuroimaging measures to predict psychosis onset for individuals at clinical high-risk
   Mol Psychiatry, 29 (5), 1465-1477
   DOI 10.1038/s41380-024-02426-7, PubMed 38332374
6. Protić S, Wittmann L, Taubner S, Conejo-Cerón S, Ioannou Y, Heinonen E, Saliba A, Moreno-Peral P, Volkert J, Barkauskiene R, Julia Schmidt S, Rangel Santos Henriques MI, Pinheiro Mota C, Sales CMD, Røssberg JI, Adler A, Giacomo DD, Mucha Vieira F, Drndarević N, Ulberg R, Stepisnik Perdih T, Mestre JM (2024)
   Mediators of Outcome in Trauma-Focused Psychotherapy with Youth: A Systematic Review
   Trauma Violence Abuse, 25 (4), 2672-2688
   DOI 10.1177/15248380231223264, PubMed 38281152
7. Øvstebø RB, Pedersen G, Wilberg T, Røssberg JI, Dahl HSJ, Kvarstein EH (2023)
   Countertransference in the treatment of patients with personality disorders: A longitudinal study
   Psychother Res, 34 (8), 1051-1065
   DOI 10.1080/10503307.2023.2279645, PubMed 37963354
8. ENIGMA Clinical High Risk for Psychosis Working Group, Haas SS, Ge R, Agartz I, Amminger GP, Andreassen OA, Bachman P, Baeza I, Choi S, Colibazzi T, Cropley VL, de la Fuente-Sandoval C, Ebdrup BH, Fortea A, Fusar-Poli P, Glenthøj BY, Glenthøj LB, Haut KM, Hayes RA, Heekeren K, Hooker CI, Hwang WJ, Jahanshad N, Kaess M, Kasai K et al. (2024)
   Normative Modeling of Brain Morphometry in Clinical High Risk for Psychosis
   JAMA Psychiatry, 81 (1), 77-88
   DOI 10.1001/jamapsychiatry.2023.3850, PubMed 37819650
9. Landrø NI, Harmer CJ, Blackwell SE, Bø R, Dawson G, Goodwin G, Hagen HS, Kingslake J, Klovning A, Klungsøyr O, Schjøtt-Pedersen O, Sæther AK, Torgersen KS, Vaaler A, Andreassen OA, Røssberg JI (2023)
   Combining antidepressants and attention bias modification in primary health care (DEPTREAT): Protocol for a pragmatic randomized controlled trial
   Contemp Clin Trials, 133, 107326
   DOI 10.1016/j.cct.2023.107326, PubMed 37652355
10. 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
11. Ottesen A, T V Hegelstad W, Joa I, Opjordsmoen SE, Rund BR, Røssberg JI, Simonsen E, Johannessen JO, Larsen TK, Haahr UH, McGlashan TH, Friis S, Melle I (2021)
    Childhood trauma, antipsychotic medication, and symptom remission in first-episode psychosis
    Psychol Med, 53 (6), 2399-2408
    DOI 10.1017/S003329172100427X, PubMed 37144963
12. Taubner S, Ioannou Y, Saliba A, Sales CMD, Volkert J, Protić S, Adler A, Barkauskiene R, Conejo-Cerón S, Di Giacomo D, Mestre JM, Moreno-Peral P, Vieira FM, Mota CP, Henriques MIRS, Røssberg JI, Perdih TS, Schmidt SJ, Zettl M, Ulberg R, Heinonen E (2023)
    Mediators of outcome in adolescent psychotherapy and their implications for theories and mechanisms of change: a systematic review
    Eur Child Adolesc Psychiatry, 33 (10), 3321-3358
    DOI 10.1007/s00787-023-02186-9, PubMed 36918434
13. Haas SS, Ge R, Agartz I, Amminger GP, Andreassen OA, Bachman P, Baeza I, Choi S, Colibazzi T, Cropley VL, de la Fuente-Sandoval C, Ebdrup BH, Fortea A, Fusar-Poli P, Glenthøj BY, Glenthøj LB, Haut KM, Hayes RA, Heekeren K, Hooker CI, Hwang WJ, Jahanshad N, Kaess M, Kasai K, Katagiri N et al. (2023)
    Normative modeling of brain morphometry in Clinical High-Risk for Psychosis
    bioRxiv
    DOI 10.1101/2023.01.17.523348, PubMed 36711551
14. Dysthe KK, Røssberg JI, Brandtzaeg PB, Skjuve M, Haavet OR, Følstad A, Klovning A (2023)
    Analyzing User-Generated Web-Based Posts of Adolescents' Emotional, Behavioral, and Symptom Responses to Beliefs About Depression: Qualitative Thematic Analysis
    J Med Internet Res, 25, e37289
    DOI 10.2196/37289, PubMed 36692944
15. Eielsen M, Ulvenes PG, Røssberg JI, Høstmælingen A, Soma CS, Wampold BE (2022)
    The Effectiveness of an Intensive Inpatient Psychotherapy Program for Chronic Depression: A naturalistic comparison with wait list
    BMC Psychiatry, 22 (1), 745
    DOI 10.1186/s12888-022-04381-5, PubMed 36451114
16. Kvam TM, Goksøyr IW, Stewart LH, Repantis D, Røssberg JI, Andreassen OA (2022)
    Study protocol for "MDMA-assisted therapy as a treatment for major depressive disorder: A proof of principle study"
    Front Psychiatry, 13, 954388
    DOI 10.3389/fpsyt.2022.954388, PubMed 36386973
17. Baklund L, Røssberg JI, Møller P (2022)
    Linguistic markers and basic self-disturbances among adolescents at risk of psychosis. A qualitative study
    EClinicalMedicine, 55, 101733
    DOI 10.1016/j.eclinm.2022.101733, PubMed 36386038
18. Van Hoy A, Rzeszutek M, Pięta M, Mestre JM, Rodríguez-Mora Á, Midgley N, Omylinska-Thurston J, Dopierala A, Falkenström F, Ferlin J, Gergov V, Lazić M, Ulberg R, Røssberg JI, Hancheva C, Stoyanova S, Schmidt SJ, Podina IR, Ferreira N, Kagialis A, Löffler-Stastka H, Gruszczyńska E (2022)
    Subjective well-being among psychotherapists during the coronavirus disease pandemic: A cross-cultural survey from 12 european countries
    J Psychiatr Res, 154, 315-323
    DOI 10.1016/j.jpsychires.2022.07.065, PubMed 35994913
19. Van Hoy A, Rzeszutek M, Pięta M, Mestre JM, Rodríguez-Mora Á, Midgley N, Omylinska-Thurston J, Dopierala A, Falkenström F, Ferlin J, Gergov V, Lazić M, Ulberg R, Røssberg JI, Hancheva C, Stoyanova S, Schmidt SJ, Podina I, Ferreira N, Kagialis A, Löffler-Stastka H, Gruszczyńska E (2022)
    Burnout among psychotherapists: a cross-cultural value survey among 12 European countries during the coronavirus disease pandemic
    Sci Rep, 12 (1), 13527
    DOI 10.1038/s41598-022-17669-z, PubMed 35941352
20. Baldwin H, Radua J, Antoniades M, Haas SS, Frangou S, Agartz I, Allen P, Andreassen OA, Atkinson K, Bachman P, Baeza I, Bartholomeusz CF, Chee MWL, Colibazzi T, Cooper RE, Corcoran CM, Cropley VL, Ebdrup BH, Fortea A, Glenthøj LB, Hamilton HK, Haut KM, Hayes RA, He Y, Heekeren K et al. (2022)
    Neuroanatomical heterogeneity and homogeneity in individuals at clinical high risk for psychosis
    Transl Psychiatry, 12 (1), 297
    DOI 10.1038/s41398-022-02057-y, PubMed 35882855
21. Malkomsen A, Røssberg JI, Dammen T, Wilberg T, Løvgren A, Ulberg R, Evensen J (2022)
    How therapists in cognitive behavioral and psychodynamic therapy reflect upon the use of metaphors in therapy: a qualitative study
    BMC Psychiatry, 22 (1), 433
    DOI 10.1186/s12888-022-04083-y, PubMed 35761306
22. Gjerdalen OS, Lystad JU, Bull H, Ringen PA, Røssberg JI, Martinsen EW, Ueland T, Falkum E, Evensen S (2022)
    Vocational rehabilitation augmented with cognitive behavioral therapy or cognitive remediation for individuals with schizophrenia: a 5-year follow-up study
    Nord J Psychiatry, 77 (1), 23-30
    DOI 10.1080/08039488.2022.2042598, PubMed 35209785
23. Mestre JM, Taubner S, Mota CP, Rangel Henriques M, Saliba A, Heinonen E, Ramos S, Moreno-Peral P, Volkert J, Adler A, Barkauskiene R, Conejo-Cerón S, Di Giacomo D, Ioannou Y, Mucha Vieira F, Røssberg JI, Sales CMD, Schmidt SJ, Stepisnik Perdih T, Ulberg R, Protić S (2022)
    Theories of Change and Mediators of Psychotherapy Effectiveness in Adolescents With Externalising Behaviours: A Systematic Review
    Front Psychiatry, 12, 730921
    DOI 10.3389/fpsyt.2021.730921, PubMed 35095586
24. Værnes TG, Røssberg JI, Melle I, Nelson B, Romm KL, Møller P (2021)
    Basic self-disturbance trajectories in clinical high risk for psychosis: a one-year follow-up study
    Eur Arch Psychiatry Clin Neurosci, 272 (6), 1007-1019
    DOI 10.1007/s00406-021-01349-6, PubMed 34783878
25. Malkomsen A, Røssberg JI, Dammen T, Wilberg T, Løvgren A, Ulberg R, Evensen J (2021)
    Digging down or scratching the surface: how patients use metaphors to describe their experiences of psychotherapy
    BMC Psychiatry, 21 (1), 533
    DOI 10.1186/s12888-021-03551-1, PubMed 34706691
26. Volkert J, Taubner S, Barkauskiene R, Mestre JM, Sales CMD, Thiele V, Saliba A, Protić S, Adler A, Conejo-Cerón S, Di Giacomo D, Ioannou Y, Moreno-Peral P, Vieira FM, Mota CP, Raleva M, Rangel Santos Henriques MI, Røssberg JI, Schmidt SJ, Perdih TS, Ulberg R, Heinonen E (2021)
    Mediators and Theories of Change in Psychotherapy for Young People With Personality Disorders: A Systematic Review Protocol
    Front Psychol, 12, 703095
    DOI 10.3389/fpsyg.2021.703095, PubMed 34616334
27. Dysthe KK, Haavet OR, Røssberg JI, Brandtzaeg PB, Følstad A, Klovning A (2021)
    Finding Relevant Psychoeducation Content for Adolescents Experiencing Symptoms of Depression: Content Analysis of User-Generated Online Texts
    J Med Internet Res, 23 (9), e28765
    DOI 10.2196/28765, PubMed 34591021
28. Conejo-Cerón S, Taubner S, Heinonen E, Adler A, Barkauskiene R, Di Giacomo D, Ioannou Y, Mestre JM, Henriques MR, Mota CP, Protić S, Raleva M, Vieira FM, Røssberg JI, Sales CMD, Saliba A, Schmidt SJ, Perdih TS, Ulberg R, Volkert J, Moreno-Peral P (2021)
    Mediators in Psychological Treatments for Anxiety and Depression in Adolescents and Young People: A Protocol of a Systematic Review
    Front Psychol, 12, 708436
    DOI 10.3389/fpsyg.2021.708436, PubMed 34367033
29. ENIGMA Clinical High Risk for Psychosis Working Group, Jalbrzikowski M, Hayes RA, Wood SJ, Nordholm D, Zhou JH, Fusar-Poli P, Uhlhaas PJ, Takahashi T, Sugranyes G, Kwak YB, Mathalon DH, Katagiri N, Hooker CI, Smigielski L, Colibazzi T, Via E, Tang J, Koike S, Rasser PE, Michel C, Lebedeva I, Hegelstad WTV, de la Fuente-Sandoval C, Waltz JA et al. (2021)
    Association of Structural Magnetic Resonance Imaging Measures With Psychosis Onset in Individuals at Clinical High Risk for Developing Psychosis: An ENIGMA Working Group Mega-analysis
    JAMA Psychiatry, 78 (7), 753-766
    DOI 10.1001/jamapsychiatry.2021.0638, PubMed 33950164
30. Værnes TG, Røssberg JI, Melle I, Nelson B, Romm KL, Møller P (2021)
    Basic self-disturbance in subjects at clinical high risk for psychosis: Relationship with clinical and functional outcomes at one year follow-up
    Psychiatry Res, 300, 113942
    DOI 10.1016/j.psychres.2021.113942, PubMed 33940444
31. Lockertsen V, Holm LAW, Nilsen L, Rø Ø, Burger LM, Røssberg JI (2021)
    The transition process between child and adolescent mental services and adult mental health services for patients with anorexia nervosa: a qualitative study of the parents' experiences
    J Eat Disord, 9 (1), 45
    DOI 10.1186/s40337-021-00404-w, PubMed 33849646
32. Taubner S, Saliba A, Heinonen E, Protić S, Volkert J, Adler A, Barkauskiene R, Conejo Cerón S, Di Giacomo D, Ioannou Y, Mestre JM, Moreno-Peral P, Mucha Vieira F, Mota CP, Raleva M, Rangel Santos Henriques MI, Røssberg JI, Schmidt SJ, Stepišnik Perdih T, Ulberg R, Sales CMD (2021)
    Mediators and theories of change in psychotherapy with adolescents: a systematic review protocol
    BMJ Open, 11 (3), e042411
    DOI 10.1136/bmjopen-2020-042411, PubMed 33674369
33. Malkomsen A, Røssberg JI, Dammen T, Wilberg T, Løvgren A, Horgen Evensen J (2021)
    The Synergistic Process of Improvement in Cognitive Behavioral Therapy for Major Depression
    Int J Environ Res Public Health, 18 (5)
    DOI 10.3390/ijerph18052292, PubMed 33652563
34. Røssberg JI, Evensen J, Dammen T, Wilberg T, Klungsøyr O, Jones M, Bøen E, Egeland R, Breivik R, Løvgren A, Ulberg R (2021)
    Mechanisms of change and heterogeneous treatment effects in psychodynamic and cognitive behavioural therapy for patients with depressive disorder: a randomized controlled trial
    BMC Psychol, 9 (1), 11
    DOI 10.1186/s40359-021-00517-6, PubMed 33482927
35. Bahrami S, Shadrin A, Frei O, O'Connell KS, Bettella F, Krull F, Fan CC, Røssberg JI, Hindley G, Ueland T, Dale AM, Djurovic S, Steen NE, Smeland OB, Andreassen OA (2021)
    Genetic loci shared between major depression and intelligence with mixed directions of effect
    Nat Hum Behav, 5 (6), 795-801
    DOI 10.1038/s41562-020-01031-2, PubMed 33462475
36. Løvgren A, Røssberg JI, Engebretsen E, Ulberg R (2020)
    Improvement in Psychodynamic Psychotherapy for Depression: A Qualitative Study of the Patients' Perspective
    Int J Environ Res Public Health, 17 (18)
    DOI 10.3390/ijerph17186843, PubMed 32961671
37. Lockertsen V, Nilsen L, Holm LAW, Rø Ø, Burger LM, Røssberg JI (2020)
    Mental health professionals' experiences transitioning patients with anorexia nervosa from child/adolescent to adult mental health services: a qualitative study
    BMC Health Serv Res, 20 (1), 891
    DOI 10.1186/s12913-020-05740-2, PubMed 32958078
38. Lockertsen V, Nilsen L, Holm LAW, Rø Ø, Burger LM, Røssberg JI (2020)
    Experiences of patients with anorexia nervosa during the transition from child and adolescent mental health services to adult mental health services
    J Eat Disord, 8, 37
    DOI 10.1186/s40337-020-00313-4, PubMed 32793350
39. Jones M, Råbu M, Røssberg JI, Ulberg R (2020)
    Therapists' Experiences of Psychodynamic Therapy with and without Transference Interventions for Adolescents with Depression
    Int J Environ Res Public Health, 17 (13)
    DOI 10.3390/ijerph17134628, PubMed 32605079
40. Breivik R, Wilberg T, Evensen J, Røssberg JI, Dahl HSJ, Pedersen G (2020)
    Countertransference feelings and personality disorders: a psychometric evaluation of a brief version of the Feeling Word Checklist (FWC-BV)
    BMC Psychiatry, 20 (1), 141
    DOI 10.1186/s12888-020-02556-6, PubMed 32228529
41. Sönmez N, Romm KL, Østefjells T, Grande M, Jensen LH, Hummelen B, Tesli M, Melle I, Røssberg JI (2019)
    Cognitive behavior therapy in early psychosis with a focus on depression and low self-esteem: A randomized controlled trial
    Compr Psychiatry, 97, 152157
    DOI 10.1016/j.comppsych.2019.152157, PubMed 31935529
42. 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
43. Værnes TG, Røssberg JI, Møller P (2019)
    Anomalous self-experiences are strongly associated with negative symptoms in a clinical high-risk for psychosis sample
    Compr Psychiatry, 93, 65-72
    DOI 10.1016/j.comppsych.2019.07.003, PubMed 31351243
44. Løvgren A, Røssberg JI, Nilsen L, Engebretsen E, Ulberg R (2019)
    How do adolescents with depression experience improvement in psychodynamic psychotherapy? A qualitative study
    BMC Psychiatry, 19 (1), 95
    DOI 10.1186/s12888-019-2080-0, PubMed 30898111
45. Bramness JG, Røssberg JI (2018)
    [Antipsychotic drugs for more than two years?]
    Tidsskr Nor Laegeforen, 138 (19)
    DOI 10.4045/tidsskr.18.0844, PubMed 30497254
46. Røberg L, Nilsen L, Røssberg JI (2018)
    How do men with severe sexual and physical childhood traumatization experience trauma-stabilizing group treatment? A qualitative study
    Eur J Psychotraumatol, 9 (1), 1541697
    DOI 10.1080/20008198.2018.1541697, PubMed 30455852
47. 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
48. Værnes TG, Røssberg JI, Møller P (2018)
    Anomalous Self-Experiences: Markers of Schizophrenia Vulnerability or Symptoms of Depersonalization Disorder? A Phenomenological Investigation of Two Cases
    Psychopathology, 51 (3), 198-209
    DOI 10.1159/000488462, PubMed 29730662
49. 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
50. Røssberg JI (2017)
    [Not Available]
    Tidsskr Nor Laegeforen, 137 (20)
    DOI 10.4045/tidsskr.17.0575, PubMed 29094577
51. 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
52. Røssberg JI, Andreassen OA, Ilner SO (2017)
    [Not Available]
    Tidsskr Nor Laegeforen, 137 (9), 594-595
    DOI 10.4045/tidsskr.17.0288, PubMed 28468447
53. Østefjells T, Lystad JU, Berg AO, Hagen R, Loewy R, Sandvik L, Melle I, Røssberg JI (2017)
    Metacognitive beliefs mediate the effect of emotional abuse on depressive and psychotic symptoms in severe mental disorders
    Psychol Med, 47 (13), 2323-2333
    DOI 10.1017/S0033291717000848, PubMed 28397634
54. Røssberg JI, Andreassen OA, Ilner SO (2017)
    [Medication-free hospital records - a measure not based on knowledge]
    Tidsskr Nor Laegeforen, 137 (6), 426-427
    DOI 10.4045/tidsskr.17.0091, PubMed 28332789
55. Østefjells T, Melle I, Aminoff SR, Hellvin T, Hagen R, Lagerberg TV, Lystad JU, Røssberg JI (2016)
    An exploration of metacognitive beliefs and thought control strategies in bipolar disorder
    Compr Psychiatry, 73, 84-92
    DOI 10.1016/j.comppsych.2016.11.008, PubMed 27918949
56. 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
57. 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
58. 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
59. 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
60. Østefjells T, Melle I, Hagen R, Romm KL, Sönmez N, Andreassen OA, Røssberg JI (2015)
    Unhelpful metacognitive beliefs in early psychosis are associated with affective symptoms and childhood social adjustment
    Schizophr Res, 169 (1-3), 280-285
    DOI 10.1016/j.schres.2015.10.026, PubMed 26519990
61. Nilsen L, Norheim I, Frich JC, Friis S, Røssberg JI (2015)
    Challenges for group leaders working with families dealing with early psychosis: a qualitative study
    BMC Psychiatry, 15, 141
    DOI 10.1186/s12888-015-0540-8, PubMed 26134829
62. 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
63. Athanasiu L, Smorr LL, Tesli M, Røssberg JI, Sønderby IE, Spigset O, Djurovic S, Andreassen OA (2015)
    Genome-wide association study identifies common variants associated with pharmacokinetics of psychotropic drugs
    J Psychopharmacol, 29 (8), 884-91
    DOI 10.1177/0269881115584469, PubMed 25944848
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