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Rates and Predictors of Conversion to Schizophrenia or Bipolar Disorder Following Substance-Induced Psychosis.

Authors: Marie Stefanie Kejser Starzer, Merete Nordentoft, Carsten Hjorthøj
American Journal of Psychiatry, April 2018

OBJECTIVE: The authors investigated the rates of conversion to schizophrenia and bipolar disorder after a substance-induced psychosis, as well as risk factors for conversion. METHOD: All patient information was extracted from the Danish Civil Registration System and the Psychi…

Synthetic delta-9-tetrahydrocannabinol (dronabinol) can improve the symptoms of schizophrenia.

Authors: Glenn Schwarcz, Basawaraj Karajgi, Richard McCarthy
Journal of Clinical Psychopharmacology, June 2009

We are reporting improvement of symptoms of schizophrenia in a small group of patients who received the cannabinoid agonist dronabinol (synthetic Delta-9-tetrahydrocannabinol). Before this report, cannabinoids had usually been associated with worsening of psychotic symptoms. I…