Carsten Hjorthøj

Carsten Hjorthøj

Associate Professor


  1. 2022
  2. 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

  3. 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

  4. Published

    Effect of deliberate practice training of graduate students in general psychotherapeutic skills compared with theoretical teaching: protocol for the randomised controlled TRIPS trial

    Ostergard, O. K., Nielsen, Jan, Hjorthøj, Carsten, Nilsson, K. K. & Poulsen, Stig Bernt, 2022, In: BMJ Open. 12, 9, 8 p., 062506.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Group cognitive behavioural therapy with virtual reality exposure versus group cognitive behavioural therapy with in vivo exposure for social anxiety disorder and agoraphobia: a protocol for a randomised clinical trial

    Arnfred, B., Bang, P., Hjorthøj, Carsten, Christensen, C. W., Moeller, K. S., Hvenegaard, M., Agerskov, L., Gausboel, U. K., Soe, D., Wiborg, P., Smith, C. I. S., Rosenberg, N. & Nordentoft, Merete, 2022, In: BMJ Open. 12, 2, 12 p., 051147.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Integrating vocational rehabilitation and mental healthcare to improve the return-to-work process for people on sick leave with stress-related disorders: results from a randomized trial

    Hoff, A., Fisker, J., Poulsen, R. M., Hjorthøj, Carsten, Rosenberg, N. K., Nordentoft, Merete, Bojesen, A. B. & Eplov, L. F., 2022, In: Scandinavian Journal of Work, Environment and Health. 48, 5, p. 361-371 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Investigating personal and clinical recovery processes in people with first episode psychosis

    Austin, Stephen Fitzgerald, Hjorthøj, Carsten, Baagland, H., Simonsen, Erik & Dam, J., 2022, In: Early Intervention in Psychiatry. 16, 10, p. 1102-1111

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Jumping to Conclusions and Its Associations With Psychotic Experiences in Preadolescent Children at Familial High Risk of Schizophrenia or Bipolar Disorder-The Danish High Risk and Resilience Study, VIA 11

    Gregersen, M., Rohd, S. B., Jepsen, J. R. M., Brandt, J. M., Sondergaard, A., Hjorthøj, Carsten, Knudsen, C. B., Andreassen, A. K., Veddum, L., Ohland, J., Wilms, M., Krantz, M. F., Burton, B. K., Greve, A., Bliksted, V., Mors, O., Clemmensen, L., Nordentoft, Merete, Thorup, Anne & Hemager, N., 2022, In: Schizophrenia Bulletin. 48, 6, p. 1363–1372 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Mental disorders in preadolescent children at familial high-risk of schizophrenia or bipolar disorder: a four-year follow-up study The Danish High Risk and Resilience Study, VIA 11

    Gregersen, M., Sondergaard, A., Brandt, J. M., Ellersgaard, D., Rohd, S. B., Hjorthøj, Carsten, Ohland, J., Krantz, M. F., Wilms, M., Andreassen, A. K., Knudsen, C. B., Veddum, L., Greve, A., Bliksted, V., Mors, O., Clemmensen, L., Jepsen, J. R. M., Nordentoft, Merete, Hemager, N. & Thorup, Anne, 2022, In: Journal of Child Psychology and Psychiatry. 63, 9, p. 1046-1056 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Physical activity and sleep in 11-year old children with a familial high risk of schizophrenia or bipolar disorder. The Danish High Risk and Resilience Study - VIA 11

    Søndergaard, A., Wilms, M., Gregersen, M., Brandt, J. M., Krantz, M. F., Rohd, S. B., Johnsen, L. K., Hemager, N., Hjorthøj, C., Ohland, J., Andreassen, A. K., Knudsen, C. B., Veddum, L., Greve, A., Bliksted, V., Mors, O., Krustrup, P., Thorsteinsson, T., Schmidt-Andersen, P., Kjærgaard, M. & 3 others, Lykkegaard, K., Thorup, Anne & Nordentoft, Merete, 2022, In: Schizophrenia Bulletin Open. 3, 1, 10 p., sgab055.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Rating the importance of outcomes from diabetes trials: A survey of patients' and doctors' opinions

    Yahyavi, S. K., Kristensen, Peter Lommer, Nagras, Z. G., Hjorthøj, Carsten & Krogh, Jesper, 2022, In: Journal of Diabetes and Metabolic Disorders. 21, p. 51–59 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Tapered discontinuation vs. maintenance therapy of antipsychotic medication in patients with first-episode schizophrenia: Obstacles, findings, and lessons learned in the terminated randomized clinical trial TAILOR

    Stürup, A. E., Hjorthøj, Carsten, Albert, N., Dolmer, S., Birk, M., Ebdrup, Bjørn, Eplov, L. F., Jensen, H., Vernal, D. L., Speyer, H., Mors, O. & Nordentoft, Merete, 2022, In: Frontiers in Psychiatry. 13, 910703.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    The CHALLENGE trial: the effects of a virtual reality-assisted exposure therapy for persistent auditory hallucinations versus supportive counselling in people with psychosis: study protocol for a randomised clinical trial

    Smith, L. C., Mariegaard, L., Vernal, D. L., Christensen, A. G., Albert, N., Thomas, N., Hjorthøj, Carsten, Glenthøj, Louise Birkedal & Nordentoft, Merete, 2022, In: Trials. 23, 1, 12 p., 773.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    The Danish High-Risk and Resilience Study—VIA 15 – A Study Protocol for the Third Clinical Assessment of a Cohort of 522 Children Born to Parents Diagnosed With Schizophrenia or Bipolar Disorder and Population-Based Controls

    Thorup, A. A. E., Hemager, N., Bliksted, V. F., Greve, A. N., Ohland, J., Wilms, M., Rohd, S. B., Birk, M., Bundgaard, A. F., Laursen, A. F., Jefsen, O. H., Steffensen, N. L., Andreassen, A. K., Veddum, L., Knudsen, C. B., Enevoldsen, M., Nymand, M., Brandt, J. M., Søndergaard, A., Carmichael, L. & 19 others, Gregersen, M., Krantz, M. F., Burton, B. K., Dietz, M., Nudel, R., Johnsen, L. K., Larsen, K. M., Meder, D., Hulme, O. J., Baaré, W. F. C., Madsen, K. S., Lund, T. E., Østergaard, L., Juul, Anders, Kjær, T. W., Hjorthøj, Carsten, Siebner, Hartwig Roman, Mors, O. & Nordentoft, Merete, 2022, In: Frontiers in Psychiatry. 13, 809807.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    The association between birth weight, ponderal index, psychotropic medication, and type 2 diabetes in individuals with severe mental illness

    Wium-Andersen, M. K., Jørgensen, Terese Sara Høj, Jørgensen, Martin Balslev, Rungby, Jørgen, Hjorthøj, Carsten, Sørensen, H. J. & Osler, Merete, 2022, In: Journal of Diabetes and its Complications. 36, 5, 9 p., 108181.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    The effect of an integrated care intervention of multidisciplinary mental health treatment and employment services for trauma-affected refugees: study protocol for a randomised controlled trial

    Bruhn, M., Laugesen, H., Kromann-Larsen, M., Trevino, C. S., Eplov, L., Hjorthøj, Carsten & Lohmann, Jessica Mariana Carlsson, 2022, In: Trials. 23, 1, 14 p., 859.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    The use of polygenic risk scores as a covariate in psychological studies

    Uddin, M. J., Hjorthøj, Carsten, Ahammed, T., Nordentoft, Merete & Ekstrøm, Claus Thorn, 2022, In: Methods in Psychology. 7, 100099.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Transdiagnostic versus Diagnosis-Specific Group Cognitive Behavioral Therapy for Anxiety Disorders and Depression: A Randomized Controlled Trial

    Reinholt, N., Hvenegaard, M., Christensen, A. B., Eskildsen, A., Hjorthøj, Carsten, Poulsen, Stig Bernt, Arendt, M. B., Rosenberg, N. K., Gryesten, J. R., Aharoni, R. N., Alro, A. J., Christensen, C. W. & Arnfred, Sidse Marie , 2022, In: Psychotherapy and Psychosomatics. 91, p. 36–49 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Treatment of difficult-to-treat depression - clinical guideline for selected interventions

    Møller, S. B., Gbyl, Krzysztof, Hjorthøj, Carsten, Andreasen, M., Austin, Stephen Fitzgerald, Buchholtz, P. E., Fønss, L., Hjerrild, S., Hogervorst, L., Jørgensen, Martin Balslev, Ladegaard, N., Martiny, Klaus, Meile, J., Packness, A., Sigaard, K. R., Straarup, K., Straszek, S. P. V., Soerensen, C. H., Welcher, B. & Videbech, Poul Bror Hemming, 2022, In: Nordic Journal of Psychiatry. 76, 3, p. 177-188 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Vaccination against SARS-CoV-2 infection among vulnerable and marginalised population groups in Denmark: A nationwide population-based study

    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. 16, 14 p., 100355.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. 2021
  22. Published
  23. 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

  24. 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

  25. 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

  26. 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

  27. 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

  28. 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

  29. Published

    Effectiveness of an Internet-Based Self-help Therapy Program for Suicidal Ideation With Follow-up at 6 Months: Results of a Randomized Controlled Trial

    Mühlmann, C., Madsen, T., Hjorthøj, Carsten, Forman, Julie Lyng, Kerkhof, A. J. F. M., Nordentoft, Merete & Erlangsen, A., 2021, In: Journal of Clinical Psychiatry. 82, 5, 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. Published

    Generalized neurocognitive impairment in individuals at ultra-high risk for psychosis: The possible key role of slowed processing speed

    Randers, L., Jepsen, J. R. M., Fagerlund, Birgitte, Nordholm, Dorte, Krakauer, K., Hjorthøj, Carsten, Glenthøj, Birte Yding & Nordentoft, Merete, 2021, In: Brain and Behavior. 11, 3, 16 p., e01962.

    Research output: Contribution to journalJournal articleResearchpeer-review

  31. Published

    Improving the precision of depression diagnosis in general practice: a cluster-randomized trial

    Brinck-Claussen, U. O., Curth, N. K., Christensen, K. S., Davidsen, Annette Sofie, Mikkelsen, J. H., Lau, M. E., Lundsteen, M., vlz241, vlz241, Hjorthøj, Carsten, Nordentoft, Merete & Eplov, L. F., 2021, In: BMC Family Practice. 22, 1, 8 p., 88.

    Research output: Contribution to journalJournal articleResearchpeer-review

  32. Published

    Medical cannabis and cannabis-based medicine show both potential efficacy and potential harms: Cross-sectional comparison with controls on self-rated and interviewer-rated outcomes within the Danish pilot program on medical cannabis

    xsw838, xsw838, Berg, M. E., Posselt, C. M., Nordentoft, Merete & Hjorthøj, Carsten, 2021, In: Complementary Therapies in Clinical Practice. 45, 8 p., 101476.

    Research output: Contribution to journalJournal articleResearchpeer-review

  33. Published

    Mortality in substance-induced psychosis: a register-based national cohort study

    Hjorthøj, Carsten, Madsen, T., Starzer, M., Erlangsen, A. & Nordentoft, Merete, 2021, In: Addiction. 116, 12, p. 3515-3524 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. Published

    No evidence of associations between genetic liability for schizophrenia and development of cannabis use disorder

    Hjorthøj, Carsten, Uddin, M. J., Wimberley, T., Dalsgaard, S., Hougaard, D. M., Borglum, A., Werge, Thomas & Nordentoft, Merete, 2021, In: Psychological Medicine. 51, 3, p. 479-484 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  35. Published

    People exposed to suicide attempts: Frequency, impact, and the support received

    Hvidkjær, K. L., Ranning, Anne, Madsen, T., Fleischer, E., Eckardt, J. P., Hjorthøj, Carsten, Cerel, J., Nordentoft, Merete & Erlangsen, A., 2021, In: Suicide and Life-Threatening Behavior. 51, 3, p. 467-477 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  36. Published

    Predictors of remission from the ultra-high risk state for psychosis

    Glenthøj, L. B., Kristensen, T. D., Wenneberg, C., Hjorthøj, Carsten & Nordentoft, Merete, 2021, In: Early Intervention in Psychiatry. 15, 1, p. 104-112 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. Published

    Repetitive transcranial magnetic stimulation and transcranial direct current stimulation for auditory hallucinations in schizophrenia: Systematic review and meta-analysis

    Guttesen, L. L., Albert, N., Nordentoft, Merete & Hjorthøj, Carsten, 2021, In: Journal of Psychiatric Research. 143, p. 163-175 13 p.

    Research output: Contribution to journalReviewResearchpeer-review

  38. Published

    SYMPOSIUM 9: cannabis: a friend or a foe?

    Niemelä, S. & Hjorthøj, Carsten, 2021, In: Nordic Journal of Psychiatry. 75, Supplement , p. S5 1 p.

    Research output: Contribution to journalConference abstract in journalResearch

  39. Published

    Substance-induced psychosis as a risk factor for unipolar depression or anxiety disorders: A nationwide register-based prospective cohort study

    Hjorthøj, Carsten, Arnfred, B., Behrendt, S., Møller, S. B. & Nordentoft, Merete, 2021, In: Journal of Affective Disorders. 295, p. 960-966 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  40. Published

    The Danish OPUS Early Intervention Services for First-Episode Psychosis: A Phase 4 Prospective Cohort Study With Comparison of Randomized Trial and Real-World Data

    Posselt, C. M., Albert, N., Nordentoft, Merete & Hjorthøj, Carsten, 2021, In: American Journal of Psychiatry. 178, 10, p. 941-951 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  41. Published

    The effect of flexible assertive community treatment in Denmark: a quasi-experimental controlled study

    Nielsen, C. M., Hjorthøj, Carsten, Killaspy, H. & Nordentoft, Merete, 2021, In: The Lancet Psychiatry. 8, 1, p. 27-35 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. Published

    The effect of sodium-glucose transport protein 2 inhibitors on mortality and heart failure in randomized trials versus observational studies

    Krogh, Jesper, Hjorthøj, Carsten, Kristensen, Søren Ladegaard, Selmer, C. & Haugaard, Steen Bendix, 2021, In: Diabetic Medicine. 38, 9, 11 p., 14600.

    Research output: Contribution to journalReviewResearchpeer-review

  43. Published

    Virtual Reality Exposure in Cognitive Behavioral Group Therapy for Social Anxiety Disorder: A Qualitative Evaluation Based on Patients' and Therapists' Experiences

    Arnfred, B. T., Bang, P., Davy, J. W., Larsen, L. Q., Hjorthøj, Carsten & Christensen, A. B., 2021, In: Translational Issues in Psychological Science. 7, 3, p. 229-247 19 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  44. 2020
  45. Published

    SUBSTANCE-INDUCED PSYCHOSIS LINKED TO BOTH INFECTIONS AND SCHIZOPHRENIA

    Hjorthøj, Carsten, Starzer, M., Benros, Michael Eriksen & Nordentoft, Merete, Apr 2020, p. S263. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  46. 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

  47. 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

  48. 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

  49. 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

  50. 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

  51. 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

  52. 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

  53. 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

ID: 20180343