Swiss study tests if pharmacy cannabis reduces smoking risks

NCT ID NCT06120855

Ongoing Disease control Sponsor: University of Bern Source: ClinicalTrials.gov ↗

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at whether allowing regular cannabis users to buy regulated cannabis from pharmacies helps them switch to safer ways of using it, like vaping or edibles, instead of smoking. About 1,177 participants in Switzerland are randomly assigned to buy from pharmacies or stick with the illicit market for 6 months. The goal is to see if this reduces smoking and related health risks.

What this could mean

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

Active substance: regulated cannabis from authorized pharmacies
What this could lead to: If successful, this could show that regulated cannabis access reduces smoking-related harms and promotes safer consumption methods.
What could go wrong: This is an early-stage study with 1177 participants, and results may not apply to other regions. Participants may not stick to safer methods, and self-reported data can be unreliable.

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

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Conditions

The condition(s) this trial relates to.

cannabis dependence Marijuana Smoking

As listed by the trial registrant

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

CANNABIS CANNABIS USE MARIJUANA SMOKING

Contacts and locations

Locations

University of Bern

Bern, 3012, Switzerland
Zentrum für Hausarztmedizin und Community Care, University of Lucerne

Lucerne, Switzerland

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