New app aims to reduce cannabis risks

NCT ID NCT07524985

Recruiting now Symptom relief Sponsor: Centre hospitalier de l'Université de Montréal (CHUM) Source: ClinicalTrials.gov ↗

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

Summary

This study is testing a French-language iPhone app called Joint Effort 2.0 that gives personalized feedback and tips to help cannabis users adopt safer habits. About 110 adult cannabis users in Quebec will use the app for a period and report how often they use protective strategies. The goal is to see if the app encourages people to take action toward lower-risk use.

What this could mean

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

Active substance: mobile application (Joint Effort 2.0)
What this could lead to: If it works, this app could help cannabis users adopt safer behaviors and reduce harms.
What could go wrong: This is a small, early-stage study with no control group, so results may not be conclusive. The app is only available in French on iPhones, limiting its reach.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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As listed by the trial registrant

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

CANNABIS USE

Contacts and locations

Locations

Université de Montréal
RECRUITING

Montreal, Quebec, Canada

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