The FOPH regularly informs members of the public about ongoing pilot trials with cannabis. In a study, initial experiences from the various projects have been evaluated and the first similarities and differences between the sales models have been identified. So far, implementation has been going smoothly in all seven approved trials.
The pilot trials are examining the effects of various measures and models for the legal sale of cannabis on the health and consumption behaviour of the participating individuals. They are scientifically monitored and provide an important basis for deciding on future cannabis regulation. This research is independent, open-ended and unbiased.
On behalf of the FOPH, the University of Lausanne and the University of Applied Sciences and Arts Northwestern Switzerland are conducting an overarching study on the pilot trials. An initial analysis report with preliminary results from seven pilot trials conducted between 2023 and mid-2024 is available (see report in the Documents tab). The report describes the various study concepts, the implementation of the pilot trials and the experiences associated with them. The trials have been implemented smoothly so far, and there is no evidence of disruption to public order.
Initial findings point to differences between for-profit and not-for-profit models for selling cannabis. For example, it has been shown that a for-profit approach tends to encourage sales, which can hardly be prevented even with a strict ban on advertising. The analysis also concludes that the cities involved in the trials have gained a great deal of practical knowledge that should be taken into account in any new regulation of cannabis.
The findings presented are still limited because the trials have only just started. In particular, owing to the short observation period, no conclusions can be drawn about the effects on consumption behaviour. A second analysis report will be available at the end of 2025.