Test how cannabis affects driving in different age groups
Treatments studied
Part of Mental health clinical trials.
This study looks at how smoked cannabis changes driving performance when compared across two age groups. It may help researchers understand safety risks and differences by age.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You’re either 19–25 years old or 35–45 years old
- You’ve smoked cannabis at least once in the last 6 months
- Your cannabis use is mainly for fun (recreational), not for treating symptoms
- You have a valid Ontario G or G2 driver’s license for at least 12 months
- You can avoid alcohol for 24 hours and cannabis for 72 hours before driving tests
- You can stay in the Toronto area after test sessions
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
Similar studies
Other trials that look related to this one.
This Phase 2 study looks at whether using cannabis changes how much alcohol you drink. You may be able to take part if you’ve been drinking heavily and using cannabis recently and can meet health and screening requirements.
This study tests how cannabis and tobacco—used together or separately—affect your thinking speed, how you feel, and body responses. You may help researchers understand these effects under controlled conditions, which could be useful for safer use and treatment decisions.
This study looks at how high-potency cannabis concentrates affect people who already use cannabis a few times a week. You will be asked to vape a concentrate and then have your reactions monitored.
This trial tests whether regular cannabis use changes how your blood vessels work, compared with people who do not use cannabis. It may help researchers understand potential effects on heart and circulation health.
This study compares biological markers between people who use cannabis regularly and those who do not, to understand how cannabis affects the body.
This study tests how vaporized cannabis and alcohol together affect your ability to drive or perform tasks. It is for healthy adults who have used both substances before.
Hear when a new Cannabis trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.