Carsten Hjorthøj

Carsten Hjorthøj

Associate Professor


  1. E-pub ahead of print

    20-year neurocognitive development following a schizophrenia spectrum disorder and associations with symptom severity and functional outcomes

    Starzer, M., Hansen, H. G., Hjorthøj, Carsten, Albert, N., Lewandowski, K. E., Glenthøj, Louise Birkedal & Nordentoft, Merete, 2024, (E-pub ahead of print) In: Psychological Medicine. 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    20-year trajectories of positive and negative symptoms after the first psychotic episode in patients with schizophrenia spectrum disorder: results from the OPUS study

    Starzer, M., Hansen, H. G., Hjorthøj, Carsten, Albert, N., Nordentoft, Merete & Madsen, Trine, 2023, In: World Psychiatry. 22, 3, p. 424-432 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    A Smartphone App to Promote Patient Activation and Support Shared Decision-making in People With a Diagnosis of Schizophrenia in Outpatient Treatment Settings (Momentum Trial): Randomized Controlled Assessor-Blinded Trial

    Vitger, T., Hjorthøj, Carsten, Austin, Stephen Fitzgerald, Petersen, L., Tønder, E. S., Nordentoft, Merete & Korsbek, L., 2022, In: Journal of Medical Internet Research. 24, 10, e40292.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    A Systematic Review and Meta-Analysis of the Association Between Psychopathology and Social Functioning in Schizophrenia

    Handest, R. D., Mølstrøm, I., cdb711, cdb711, Hjorthøj, Carsten & Nordgaard, Julie , 2023, In: Schizophrenia Bulletin. 49, 6, p. 1470–1485 16 p.

    Research output: Contribution to journalReviewResearchpeer-review

  5. Published

    A community-based peer-support group intervention "Paths to EvERyday life" (PEER) added to service as usual for adults with vulnerability to mental health difficulties - a study protocol for a randomized controlled trial

    Poulsen, C. H., Egmose, C. H., Ebersbach, B. K., Hjorthøj, Carsten & Eplov, L. F., 2022, In: Trials. 23, 1, 15 p., 727.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    A death by any other name: substance-induced or substance-related mortality

    Hjorthøj, Carsten, Stürup, A. E. & Starzer, M., 2022, In: The Lancet Psychiatry. 9, 12, p. 931-932 2 p.

    Research output: Contribution to journalComment/debateResearchpeer-review

  7. Published

    A longitudinal study on physiological stress in individuals at ultra high-risk of psychosis

    Nordholm, Dorte, Jensen, M. A., Kristiansen, J., Glenthøj, Louise Birkedal, Kristensen, T. D., Wenneberg, C., Hjorthøj, Carsten, Garde, A. H. & Nordentoft, Merete, 2023, In: Schizophrenia Research. 254, p. 218-226 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    A study protocol for the randomized controlled trial SAFIR FAMILY TALK: a selective primary preventive intervention vs. service as usual for children of parents with mental illness

    Nielsen, S. S., Mikkelsen, L. J., Quaade, N., Gladstone, T. R. G., Beardslee, W. R., Bonnemose, K., Rosenberg, N. K., Hjorthøj, Carsten, Thorup, Anne, Nordentoft, Merete & Ranning, Anne, 2023, In: Trials. 24, 1, 14 p., 291.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published
  10. Published

    Adverse SARS-CoV-2-associated outcomes among people experiencing social marginalisation and psychiatric vulnerability: A population-based cohort study among 4,4 million people

    Nilsson, S. F., Laursen, T. M., Osler, Merete, Hjorthøj, Carsten, Benros, Michael Eriksen, Ethelberg, Steen, Mølbak, Kåre & Nordentoft, Merete, 2022, In: The Lancet Regional Health - Europe. 15 p., 100421.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Annual incidence of cannabis-induced psychosis, other substance-induced psychoses and dually diagnosed schizophrenia and cannabis use disorder in Denmark from 1994 to 2016

    Hjorthøj, Carsten, Larsen, M. O., Starzer, M. S. K. & Nordentoft, Merete, 2021, In: Psychological Medicine. 51, 4, p. 617-622 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Annual incidence of substance-induced psychoses in Scandinavia from 2000 to 2016

    Rognli, E. B., Taipale, H., Hjorthøj, Carsten, Mittendorfer-Rutz, E., Bramness, J. G., Heiberg, I. H. & Niemela, S., 2023, In: Psychological Medicine. 53, 11, 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Antidepressant treatment effects and side effects of anti-inflammatory agents: A systematic review and meta-analysis of randomized clinical trials

    Köhler-Forsberg, O., Lydholm, C., Hjorthøj, Carsten, Nordentoft, Merete, Mors, O. & Benros, Michael Eriksen, 2018, In: Acta Neuropsychiatrica. 30, S1, p. 14-15 2 p.

    Research output: Contribution to journalConference abstract in journalResearchpeer-review

  14. Published

    Are attenuated positive symptoms and cortisol levels associated?

    Nordholm, Dorte, Hjorthøj, Carsten, Mondelli, V., Krakauer, K., Randers, L., Dazzan, P. & Nordentoft, Merete, 2021, In: Schizophrenia Research. 228, p. 621-623 3 p.

    Research output: Contribution to journalLetterResearchpeer-review

  15. Published

    Association between SARS-CoV-2 infection and self-harm: Danish nationwide register-based cohort study

    Erlangsen, A., Qin, P., Madsen, Trine, Hawton, K., Osler, Merete, Hjorthøj, Carsten, Benros, Michael Eriksen, Ethelberg, Steen, Mølbak, Kåre, Laursen, T. M., Nordentoft, Merete & Nilsson, S. F., 2023, In: The British journal of psychiatry : the journal of mental science. 222, 4, p. 167–174 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Association between alcohol and substance use disorders and all-cause and cause-specific mortality in schizophrenia, bipolar disorder, and unipolar depression: a nationwide, prospective, register-based study

    Hjorthøj, Carsten, Østergaard, M. L. D., Benros, Michael Eriksen, Toftdahl, N. G., Erlangsen, A., Andersen, Jon Thor Trærup & Nordentoft, Merete, Sep 2015, In: The Lancet Psychiatry. 2, 9, p. 801-8 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Association between cannabis use disorder and schizophrenia stronger in young males than in females

    Hjorthøj, Carsten, Compton, W., Starzer, M., Nordholm, Dorte, Einstein, E., Erlangsen, A., Nordentoft, Merete, Volkow, N. D. & Han, B., 2023, In: Psychological Medicine. 53, 15, 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Association between neonatal homecare for preterm infants and incidence of severe postpartum depression in mothers

    Andersen, K. S. H., Holm, K. G., Nordentoft, Merete & Hjorthøj, Carsten, 2021, In: Journal of Affective Disorders. 278, p. 453-459 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Association between substance-induced psychosis and suicide attempt: A Danish nation-wide register-based study

    Munch, S. D., Madsen, Trine, Nordentoft, Merete, Erlangsen, A. & Hjorthøj, Carsten, 2023, In: Addiction. 118, 12, p. 2440-2448 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Association of homelessness and skin conditions: a Danish population-based cohort study

    Nilsson, S. F., Ali, Z., Laursen, T. M., Thyssen, Jacob Pontoppidan, Egeberg, Alexander, Nordentoft, Merete, Hjorthøj, Carsten & Thomsen, Simon Francis, 2023, In: British Journal of Dermatology. 188, 6, p. 760–769 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Association of maternal and paternal personality disorders with risk of mental disorders in children: A nationwide, register-based cohort study of 1,406,965 children

    Gjøde, I. C. T., Laursen, T. M., Müller, A. D., Ranning, Anne, Moszkowicz, M., Hemager, N., Speyer, Helene, Hjorthøj, Carsten, Nordentoft, Merete & Thorup, Anne, 2024, In: Acta Psychiatrica Scandinavica. 149, 3, p. 195-206 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Associations between duration of untreated psychosis and domains of positive and negative symptoms persist after 10 years of follow-up: A secondary analysis from the OPUS trial

    Jabar, L. S. A., Sørensen, H. J., Nordentoft, Merete, Hjorthøj, Carsten & Albert, N., 2021, In: Schizophrenia Research. 228, p. 575-580 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Associations between exposure to early childhood adversities and middle childhood psychotic experiences in children at familial high risk of schizophrenia, bipolar disorder, and population-based controls: The Danish high risk and resilience study - VIA 7 and VIA 11

    Brandt, J. M., Gregersen, M., Sondergaard, A., Krantz, M. F., Knudsen, C. B., Andreassen, A. K., Veddum, L., Ohland, J., Hjorthøj, Carsten, Wilms, M., Rohd, S. B., Greve, A., Burton, B. K., Bliksted, V., Mors, O., Nordentoft, Merete, Thorup, Anne & Hemager, N., 2023, In: Psychological Medicine. 53, 14, 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Associations between facial affect recognition and neurocognition in subjects at ultra-high risk for psychosis: A case-control study

    Randers, L., Jepsen, J. R. M., Fagerlund, Birgitte, Nordholm, D., Krakauer, K., Hjorthøj, Carsten, Glenthøj, Birte Yding & Nordentoft, Merete, 2020, In: Psychiatry Research. 290, 9 p., 112969.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published
  26. Published

    Attachment representations in 7-year-old children at familial high risk of schizophrenia or bipolar disorder: Associations with mental disorders and daily functioning: The Danish High Risk and Resilience Study, VIA 7-A population-based cohort study

    Gregersen, M., Ellersgaard, D., Søndergaard, A., Christiani, C., Hemager, N., Spang, K. S., Burton, B. K., Uddin, M. J., Ohland, J., Gantriis, D., Greve, A., Hjorthøj, Carsten, Mors, O., Plessen, K. J., Nordentoft, Merete, Clemmensen, L., Jepsen, J. R. M. & Thorup, Anne, 2023, In: Scandinavian Journal of Psychology. 64, 6, p. 776-783 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    Baseline measures of cerebral glutamate and GABA levels in individuals at ultrahigh risk for psychosis: Implications for clinical outcome after 12 months

    Wenneberg, C., Glenthøj, Birte Yding, Glenthøj, Louise Birkedal, Fagerlund, Birgitte, Krakauer, K., Kristensen, T. D., Hjorthøj, Carsten, Edden, R. A. E., Broberg, B. V., Bojesen, K. B., Rostrup, Egill & Nordentoft, Merete, 2020, In: European psychiatry : the journal of the Association of European Psychiatrists. 63, 1, 8 p., e83.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Published

    Basic symptoms influence real-life functioning and symptoms in individuals at high risk for psychosis

    Glenthøj, L. B., Bailey, B., Kristensen, T. D., Wenneberg, C., Hjorthøj, Carsten & Nordentoft, Merete, 2020, In: Acta Psychiatrica Scandinavica. 141, 3, p. 231-240 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. Published

    Cannabidiol for cannabis use disorder: too high hopes?

    Hjorthøj, Carsten, Posselt, C. M. & Baandrup, Lone, 2020, In: The Lancet Psychiatry. 7, 10, p. 838-839 2 p.

    Research output: Contribution to journalLetterResearchpeer-review

  30. Published

    Cannabis Use Disorder and Subsequent Risk of Psychotic and Nonpsychotic Unipolar Depression and Bipolar Disorder

    Jefsen, O. H., Erlangsen, A., Nordentoft, Merete & Hjorthøj, Carsten, 2023, In: JAMA Psychiatry. 80, 8, p. 803-810 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  31. Published

    Cannabis use disorders may protect against certain disorders of the digestive organs in people with schizophrenia but not in healthy controls

    Olesen, Julie Aamand, Posselt, C. M., Poulsen, C. H., Nordentoft, Merete & Hjorthøj, Carsten, 2020, In: Psychological Medicine. 50, 3, p. 499-506 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  32. Published

    Cannabis-based medicines and medical cannabis for patients with neuropathic pain and other pain disorders: Nationwide register-based pharmacoepidemiologic comparison with propensity score matched controls

    Hjorthøj, Carsten, La Cour, P., Nordentoft, Merete & Posselt, C. M., 2022, In: European Journal of Pain Supplements. 26, 2, p. 480-491 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  33. Published

    Cerebral Glutamate and Gamma-Aminobutyric Acid Levels in Individuals at Ultra-high Risk for Psychosis and the Association With Clinical Symptoms and Cognition

    Wenneberg, C., Nordentoft, Merete, Rostrup, E., Glenthøj, L. B., Bojesen, K. B., Fagerlund, Birgitte, Hjorthøj, Carsten, Krakauer, K., Kristensen, T. D., Schwartz, C., Edden, R. A. E., Broberg, B. V. & Glenthøj, Birte Yding, 2020, In: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging. 5, 6, p. 569-579 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. Published

    Cerebral glutamate and GABA levels in high-risk of psychosis states: A focused review and meta-analysis of H-1-MRS studies

    Wenneberg, C., Glenthøj, Birte Yding, Hjorthøj, Carsten, Zingenberg, F. J. B., Glenthoj, L. B., Rostrup, E., Broberg, B. V. & Nordentoft, Merete, 2020, In: Schizophrenia Research. 215, p. 38-48 11 p.

    Research output: Contribution to journalReviewResearchpeer-review

  35. Published

    Change in cannabis use, clinical symptoms and social functioning among patients with first-episode psychosis: a 5-year follow-up study of patients in the OPUS trial

    Clausen, L., Hjorthøj, Carsten, Thorup, A. A. E., Jeppesen, Pia, Petersen, L. B., Bertelsen, M. & Nordentoft, Merete, Jan 2014, In: Psychological Medicine. 44, 1, p. 117-126 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  36. Published

    Childhood trauma in children at familial high risk of schizophrenia or bipolar disorder: A longitudinal study. The Danish High Risk and Resilience Study - VIA 7 and VIA 11

    Brandt, J. M., Hemager, N., Gregersen, M., Søndergaard, A., Krantz, M. F., Ohland, J., Wilms, M., Rohd, S. B., Hjorthoj, C., Veddum, L., Knudsen, C. B., Andreassen, A. K., Greve, A., Spang, K. S., Christiani, C. A., Ellersgaard, D., Burton, B. K., Gantriis, D. L., Bliksted, V., Mors, O. & 4 others, Plessen, K. J., Jepsen, J. R. M., Nordentoft, Merete & Thorup, Anne, 2022, In: British Journal of Clinical Psychology. 61, 4, p. 875-894 20 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. Published

    Children of Parents With Serious Mental Illness: With Whom Do They Grow Up? A Prospective, Population-Based Study

    Ranning, Anne, Munk Laursen, T., Thorup, Anne, Hjorthøj, Carsten & Nordentoft, Merete, 2016, In: Journal of the American Academy of Child and Adolescent Psychiatry. 55, 11, p. 953-961 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  38. Published

    Children of Patients Undergoing Psychiatric Treatment: An Investigation of Statutory Support Services After Referrals to Child Protection Services

    Ranning, Anne, Hjorthøj, Carsten, Jensen, K. B., Ebsen, F. C., Svendsen, I. L., Thorup, Anne & Nordentoft, Merete, 2020, In: Frontiers in Psychiatry. 11, 10 p., 527.

    Research output: Contribution to journalJournal articleResearchpeer-review

  39. Published

    Clinical Recovery Among Individuals With a First-Episode Schizophrenia an Updated Systematic Review and Meta-Analysis

    Hansen, H. G., Speyer, H., Starzer, M., Albert, N., Hjorthøj, Carsten, Eplov, L. F. & Nordentoft, Merete, 2023, In: Schizophrenia Bulletin. 49, 2, p. 297–308 12 p.

    Research output: Contribution to journalReviewResearchpeer-review

  40. Published

    Clinical Recovery and Long-Term Association of Specialized Early Intervention Services vs Treatment as Usual Among Individuals With First-Episode Schizophrenia Spectrum Disorder 20-Year Follow-up of the OPUS Trial

    Hansen, H. G., Starzer, M., Nilsson, S. F., Hjorthøj, Carsten, Albert, N. & Nordentoft, Merete, 2023, In: JAMA Psychiatry. 80, 4, p. 371-379 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  41. E-pub ahead of print

    Clinical illness course and family-related outcomes among parents with a first episode of schizophrenia spectrum disorder: a 20-year follow-up of the OPUS trial

    Hansen, H. G., Gjøde, I. C. T., Starzer, M., Ranning, Anne, Hjorthøj, Carsten, Albert, N., Nordentoft, Merete & Thorup, Anne, 2024, (E-pub ahead of print) In: Psychological Medicine. 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. Published

    Cognitive remediation plus standard treatment versus standard treatment alone for individuals at ultra-high risk of developing psychosis: Results of the FOCUS randomised clinical trial

    Glenthoj, L. B., Mariegaard, L. S., Fagerlund, Birgitte, Jepsen, J. R. M., Kristensen, T. D., Wenneberg, C., Krakauer, K., Medalia, A., Roberts, D. L., Hjorthøj, Carsten & Nordentoft, Merete, 2020, In: Schizophrenia Research. 224, p. 151-158 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. Published

    Collaborative care for depression and anxiety disorders: results and lessons learned from the Danish cluster-randomized Collabri trials

    Curth, N. K., Brinck-Claussen, U. Ø., Hjorthøj, Carsten, Davidsen, Annette Sofie, Mikkelsen, J. H., Lau, M. E., Lundsteen, M., vlz241, vlz241, Christensen, K. S., Jakobsen, M., Bojesen, A. B., Nordentoft, Merete & Eplov, L. F., 2020, In: BMC Family Practice. 21, 234.

    Research output: Contribution to journalJournal articleResearchpeer-review

  44. Published

    Consensus paper of the WFSBP task force on cannabis, cannabinoids and psychosis

    D'Souza, D. C., DiForti, M., Ganesh, S., George, T. P., Hall, W., Hjorthøj, Carsten, Howes, O., Keshavan, M., Murray, R. M., Nguyen, T. B., Pearlson, G. D., Ranganathan, M., Selloni, A., Solowij, N. & Spinazzola, E., 2022, In: World Journal of Biological Psychiatry. 23, 10, p. 719-742 24 p.

    Research output: Contribution to journalReviewResearchpeer-review

  45. Published

    DEPERROR: Risks of systematic errors in drug and non-drug randomized clinical trials assessing intervention effects in patients with unipolar depression

    Krogh, Jesper, Hjorthøj, Carsten, Jakobsen, J. C., Lindschou, J., Kessing, Lars Vedel, Nordentoft, Merete & Gluud, C., 1 Jul 2015, In: Journal of Affective Disorders. 179, p. 121-127 7 p.

    Research output: Contribution to journalReviewResearchpeer-review

  46. Published

    Development Over Time of the Population-Attributable Risk Fraction for Cannabis Use Disorder in Schizophrenia in Denmark

    Hjorthøj, Carsten, Posselt, C. M. & Nordentoft, Merete, 2021, In: JAMA Psychiatry. 78, 9, p. 1013-1019 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  47. Published

    Development of Executive Functions as Reflected in Daily Life Behaviors in Young Adults at Ultra-High Risk for Psychosis: Associations With Symptoms and Functioning

    Glenthøj, L. B., Hjorthøj, Carsten, Kristensen, T. D., Wenneberg, C., Nordentoft, Merete & Jepsen, J. R. M., 2020, In: Schizophrenia Bulletin Open. 1, 1, sgaa049.

    Research output: Contribution to journalJournal articleResearchpeer-review

  48. Published

    Developmental Pathways and Clinical Outcomes of Early Childhood Psychotic Experiences in Preadolescent Children at Familial High Risk of Schizophrenia or Bipolar Disorder: A Prospective, Longitudinal Cohort Study - The Danish High Risk and Resilience Study, VIA 11

    Gregersen, M., Møllegaard Jepsen, J. R., Rohd, S. B., Søndergaard, A., Brandt, J. M., Ellersgaard, D., Hjorthøj, Carsten, Ohland, J., Krantz, M. F., Wilms, M., Andreassen, A. K., Veddum, L., Knudsen, C. B., Greve, A. N., Bliksted, V., Mors, O., Clemmensen, L., Nordentoft, Merete, Hemager, N. & Thorup, Anne, 2022, In: The American Journal of Psychiatry. 179, 9, p. 628-639 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. Published

    Digital Shared Decision-Making Interventions in Mental Healthcare: A Systematic Review and Meta-Analysis

    Vitger, T., Korsbek, L., Austin, Stephen Fitzgerald, Petersen, L., Nordentoft, Merete & Hjorthøj, Carsten, 2021, In: Frontiers in Psychiatry. 12, 17 p., 691251.

    Research output: Contribution to journalReviewResearchpeer-review

  50. Published

    Discontinuation of antipsychotics in individuals with first-episode schizophrenia and its association to functional outcomes, hospitalization and death: a register-based nationwide follow-up study

    Sturup, A. E., Nordentoft, Merete, Solem, Espen Victor Jimenez, Osler, Merete, Davy, J. W., Christensen, T. N., Speyer, H., Albert, N. & Hjorthøj, Carsten, 2023, In: Psychological Medicine. 53, 11, 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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ID: 20180343