Cannabis and schizophrenia: a Real-World look at the dual effects

NCT ID NCT07309159

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

Summary

This study will follow 120 people with schizophrenia who use cannabis, using mobile phone surveys and thinking tasks to track symptoms in real time. The goal is to understand how cannabis may both worsen positive symptoms (like hallucinations) and reduce negative symptoms (like lack of motivation). The findings could help shape better care for patients.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

cannabis

What this could lead to

If successful, this study could clarify how cannabis affects schizophrenia symptoms, potentially guiding better management strategies.

What could go wrong

This is an early-phase observational study, not a treatment trial. Results may not lead to direct clinical changes, and cannabis use carries known risks for mental health.

Disclaimer Read more

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.

cannabis dependence schizoaffective disorder schizophrenia

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••