Regulated Cannabis Access in Basel

Health Department of the Canton of Basel-Stadt

Status: Active, not recruiting

Conditions: Physical Illness; Mental Health Disorder; Cannabis Use Disorder

Treatments: Other: Regulated cannabis access in pharmacies

Study type: Interventional

Funder types: Other; NETWORK

Identifiers

NCT05522205

2021-01670

Details and patient eligibility

About

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.

Full description

This project consist of two parts: The first part is a randomised controlled study, the second part is an observational study. The randomised controlled study will last six months. Participants will randomly be assigned to one of two groups: Group 1 has immediately access to regulated cannabis in pharmacies; Group 2 has to wait for six months. After six months all participants will have access to regulated cannabis in pharmacies (oberservational study). Every six month participants will be invited to answer online-questionnaires on their cannabis consumption behavior, their mental and physical health. The entire study lasts 2.5 years.

Enrollment: 374 patients

Sex: All

Ages: 18+ years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

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

Exclusion criteria

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

Trial design

Primary purpose: Other

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: None (Open label)

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374 participants in 2 patient groups

Experimental group

Experimental group

Description:

Immediately regulated cannabis access in pharmacies.

Treatment:

Other: Regulated cannabis access in pharmacies

Control group

No Intervention group

Description:

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.