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Regulated Cannabis Access in Basel

Key facts

Who runs it
Health Department of the Canton of Basel-Stadt
Where
Switzerland1 site in 1 countryChoose a country to see its sites
Trial code
Status
Active, not recruiting
People taking part
374 people enrolled
Started
31 Jan 2023
Expected to end
31 Jan 2027
Type of study
Interventional, 2 groupsOne group gets no study treatment, for comparison.
Treatments tested
  • Regulated cannabis access in pharmacies
Record updated
2 September 2026

Who can take part

Age
18 years and older
Sex
Women and men
Healthy volunteers
Can take part

The registry criteria, word for word

Show all 2 criteriaShow less

Who can take part

  • At least 18 years, residence in Basel-Stadt, consuming cannabis at least monthly during the last 6 months (positive urine sample)

Who cannot take part

  • pregnant or breastfeeding, currently suicidal, currently psychotic, current inpatient psychiatric treatment

This trial has no sites in United States.

It has sites in one country. Choose a country to see its sites.

About the trial

What the trial wants to find out

The randomised controlled study on regulated cannabis access in pharmacies in Basel aims to investigate the effects of regulated cannabis access on consumption behaviour and mental and physical health in comparison to the illegal market.

The 2 groups in the trial

  • Experimental groupTreatment being tested

    Immediately regulated cannabis access in pharmacies.

    Treatment: Regulated cannabis access in pharmacies

  • Control groupNo study treatment, for comparison

    During the first six months participants of the control group have to continue to buy their cannabis on the illicit market. Afterthese six months they also have access to regulated cannabis access.

Data and sources

Registry record
Listed on ClinicalTrials.gov.
Official title
WEED CARE - Randomized Controlled Study on Regulated Cannabis Access for Recreational Use in Pharmacies in Basel
Record updated
2 September 2026