Can CBD replace antipsychotics for cannabis users with psychosis?
NCT ID NCT04105231
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares cannabidiol (CBD) to the standard antipsychotic risperidone in 64 adults with schizophrenia or related psychotic disorders who have used cannabis. The goal is to see if CBD can reduce psychotic symptoms and help people stop or cut down cannabis use. Participants receive either CBD or risperidone for several weeks, and their symptoms and cannabis use are tracked.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
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Locations
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Center for Neuropsychiatric Schizophrenia Research
Glostrup Municipality, 2600, Denmark