Study tests if cannabis Self-Medication theory holds up in schizophrenia

NCT ID NCT01964404

First seen Jun 27, 2026 ยท Last updated Jun 27, 2026

Summary

This study looked at whether cannabis or a similar drug (dronabinol) can improve brain reward function in people with schizophrenia who also use cannabis. 263 participants took part to see if these substances help regulate brain circuits linked to motivation and pleasure. The goal was to understand if cannabis acts as a form of self-medication for these patients.

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Conditions

The condition(s) this trial relates to.

cannabis dependence psychotic disorder Psychotic Disorders schizophrenia substance-related disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Dartmouth Hitchcock Medical Center

    Lebanon, New Hampshire, 03756, United States

  • University of Vermont

    Burlington, Vermont, 05401, United States