Clin2
NCT05537116Possibly a fitEnrolling by invitation

Mobile texts to help reduce cannabis-impaired driving

Driving Impaired

Part of Mental health clinical trials.

This trial tests a brief set of interactive phone messages to help people cut down on driving after using cannabis. You may be a good fit if you’ve driven soon after cannabis use several times recently and can complete the text-and-email steps.

Summary written for real people, not researchers, by Clin2.

Phase
N/A
Enrollment
240 people
Ages
18 years to 29 years
Study type
Interventional

Who can take part

  • You are 18 years old or older.
  • You can read and write in English.
  • You’ve driven after using cannabis at least 3 times in the past 3 months.
  • You have a car you can drive, a valid driver’s license, and you plan to drive in the next 6 months.
  • You have a working cell phone, can read the study materials, and are willing to send 3 study text messages after the intervention.
  • You have a valid email address.

View the official record on ClinicalTrials.gov

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.

NCT07368894Not yet recruiting
Reducing risky driving after substance use in young adults

This trial tests if a brief online program can help young adults reduce driving after using drugs or alcohol. It is for people who recently had a screening for substance use and reported some risky driving.

NCT06319885Recruiting
Text messaging to reduce high-risk alcohol use in older adults

This study uses text messages to help adults aged 55–80 who drink above recommended limits to reduce their alcohol intake. If you want to cut back but not necessarily quit completely, this program may be a good fit for you.

Odense, Southern Denmark
NCT04325958Recruiting
Test how cannabis affects driving in different age groups

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.

Toronto, Ontario
NCT06661031Enrolling by invitation
Cannabis use help for young adults via phone app

This study tests a new program that combines telehealth coaching and a smartphone app to help young adults who use cannabis a lot to cut back or quit. If you are a patient at certain Boston clinics and use cannabis on most days, this study might be a good fit for you.

Boston, Massachusetts
NCT06395389Recruiting
A brief program to help young adults cut back on cannabis

This trial tests a short, one-time program designed to help people ages 18-25 who use cannabis frequently (at least 20 days per month) reduce their use. It may be a good fit if you're not already in treatment and are thinking about making a change.

Charleston, South Carolina
NCT05526196Recruiting
Study how cannabis and tobacco affect reaction and feelings

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.

Toronto, Ontario

Hear when a new Driving Impaired trial opens

We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.