Clinical research

Participants wanted!

Evolution of cannabis use patterns and their trajectories over two years and associations with health-related outcomes among young people aged 18-24 who consume regularly: the TRICCHOME prospective cohort study.

Eligibility criteria

• Have access to a smartphone on a daily basis (iOS, Android).
• Aged between 18 to 24 years old;
• Residency in the province of Quebec;
• Regularly consume cannabis for non-medical purposes (on average at least once a week in the last three months).
• Ability to speak and read French or English;
• While participating in the study, do not plan or begin treatment for cannabis use disorder (do not wish to receive treatment for CUD).

Involvement required

Over a two-year period

• On a daily basis, describe episodes of consumption/non-consumption in a digital logbook (TRICCHOME application).
• Every four months, complete self-reported questionnaires about your health and your level of exposure to public health messages about cannabis products.
• Once during the study, send a saliva sample to the laboratory by mail for genetic analysis (sequencing test of certain genes).