Study Participants Wanted:
- Location: Basel-Landschaft
- Age Range: 3,950 participants aged 18 to 65
- Cannabis Experience: Participants should have experience with cannabis use.
We are investigating the effects of the controlled sale of THC-containing cannabis for recreational use, creating a scientific foundation for future regulation.
Participants will have the opportunity to legally purchase high-quality cannabis products from licensed stores in Allschwil and Liestal for the duration of the 5-year study.
Lead Researcher: Prof. Dr. Michael P. Schaub, Scientific Director, Swiss Institute for Addiction and Health Research (ISGF), Konradstrasse 32, 8005 Zurich
Exclusions:
- Individuals with serious mental health issues
- Pregnant or breastfeeding women
- Severe cardiovascular diseases
- Those taking certain medications
- People deemed legally incapable of making judgments
- Residents of specific municipalities in Basel-Landschaft (listed in our FAQs)
How to Apply:
Interested participants can sign up for the study by following three steps:
- Complete our self-test to check if you meet the participation criteria.
- Watch our informational video to learn more about the study, process, registration, products, and rules.
- Schedule an eligibility interview on-site to complete the registration.
Important Information:
- No compensation is provided. Participants must cover the cost of the products themselves.
- All data will be treated confidentially and not shared with third parties. Consumption data will be anonymized and stored separately from personal information.
- There is no medical benefit for the participants in this study.