Status:
NOT_YET_RECRUITING
Testing the Effects of Cann'App, a Digital Intervention for Cannabis Harm Reduction
Lead Sponsor:
Jacques Gaume
Collaborating Sponsors:
Swiss National Science Foundation
Apptitude
Conditions:
Cannabis Use
Harm Reduction
Eligibility:
All Genders
18+ years
Phase:
NA
Brief Summary
The goal of this clinical trial is to learn if a digital web application can prevent the risks related to cannabis use among adult regular cannabis users who are enrolled in a pilot trial for cannabis...
Eligibility Criteria
Inclusion
- Eligible participants will be those included in the pilot trial of cannabis sales regulation in Lausanne, Switzerland (Cann-L study).
- Inclusion criteria in Cann-L study are:
- being adult (\>18 years old),
- having current cannabis use (i.e., use at least once a month over the last 6 months)
- living in the city of Lausanne. To enter the study, they complete an entry assessment verifying their age and proof of residence, and confirming that they have current cannabis use.
Exclusion
- Cann-L exclusion criteria comprise:
- being younger than 18 years old,
- being pregnant or breastfeeding,
- having a health condition contraindicating the use of cannabis (e.g., severe psychiatric disorder).
- The consent to participate in the Cann-L parent trial comprises an option to be contacted to participate in sub-studies, including studies on prevention measures. All participants having accepted to be so contacted will be proposed to participate in the present study.
- Therefore, additional exclusion criteria for the present study include:
- not providing informed consent to participate in sub-studies, including studies on prevention measures,
- not providing informed consent to participate in the present study.
Key Trial Info
Start Date :
September 1 2025
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
March 1 2027
Estimated Enrollment :
565 Patients enrolled
Trial Details
Trial ID
NCT07157540
Start Date
September 1 2025
End Date
March 1 2027
Last Update
September 16 2025
Active Locations (1)
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1
Lausanne University Hospital
Lausanne, Vaud Canton, Switzerland, 1011