New therapy aims to help psychosis patients quit cannabis
NCT ID NCT07245212
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests a talking therapy called the Cannabis Clinic for Psychosis (CCP) to help people with first-episode psychosis reduce or stop cannabis use. The therapy includes motivational interviewing and cognitive behavioral therapy in weekly sessions over 12 weeks. Researchers will compare the therapy group to a waiting-list group receiving usual care, measuring changes in cannabis use. The goal is to see if this approach can improve outcomes and reduce relapses.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- psychosocial intervention (motivational interviewing and cognitive behavioral therapy)
- What this could lead to
- If it works, this could provide an effective non-drug treatment to help people with psychosis cut down or quit cannabis, potentially reducing relapses and hospital stays.
- What could go wrong
- This is a small early-stage trial with only 80 participants, and it uses a waiting-list design. The therapy may not work for everyone, and results may not apply to broader populations.
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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.
Contacts and locations
Locations
-
Marina House
London, SE5 8RZ, United Kingdom
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