Status:
ACTIVE_NOT_RECRUITING
Study on Regulated Cannabis Sales in Pharmacies
Lead Sponsor:
University of Bern
Collaborating Sponsors:
Universität Luzern
Conditions:
Marijuana Smoking
Cannabis
Eligibility:
All Genders
18+ years
Phase:
NA
Brief Summary
Though regulated cannabis sales are increasing, little is known about the individual health effects of cannabis regulation. Data from countries with a regulated market can be used to test the effect o...
Detailed Description
Cannabis is the most consumed illegal substance in Switzerland. Many countries and an increasing number of US states have regularized cannabis production and distribution for non-medical use. Analyses...
Eligibility Criteria
Inclusion
- At least 18 years old (validated with valid identification document)
- Written informed consent
- Regular cannabis user: Self-reported cannabis use at least once a month over the last 6 months and verified cannabis exposure based on urine analysis at baseline
- Resident status in the canton of Bern (for cannabis purchase in the cities of Bern or Biel) or in the city of Lucerne (for cannabis purchase in the city of Lucerne) (validated with registration confirmation from the municipality or confirmation of the residential address)
Exclusion
- Pregnant women (pregnancy test based on urine sample)
- Breastfeeding women (self-reported)
- People with a prescription for medical cannabis (self-reported)
- People currently in psychiatric inpatient treatment (self-reported)
- People with current, severe psychosis (self-reported and confirmed by study nurse/study physician)
- People with current, severe suicidal thoughts (self-reported and confirmed by study nurse/study physician)
- Inability to follow the procedures of the study due to severe cognitive impairment or language problems
- People who cannot attend the baseline study visit in-person
- People planning to move out of the canton of residence within 6 months of entering the trial.
- People who are participating or have participated (inclusion date up to one year ago) in another cannabis pilot trial which allows to buy regulated cannabis (validated by matching untraceable codes between studies witch the same catchment area).
Key Trial Info
Start Date :
March 11 2024
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
September 1 2026
Estimated Enrollment :
1091 Patients enrolled
Trial Details
Trial ID
NCT06120855
Start Date
March 11 2024
End Date
September 1 2026
Last Update
November 18 2025
Active Locations (2)
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1
University of Bern
Bern, Switzerland, 3012
2
Zentrum für Hausarztmedizin und Community Care, University of Lucerne
Lucerne, Switzerland