Study reveals how booze and weed impair your driving
NCT ID NCT02710331
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at how alcohol and cannabis, alone or together, affect driving ability and thinking. About 40 adults aged 21–55 who have used both substances before will take part. They will complete simulated driving tests and questionnaires after receiving the substances. The goal is to better understand the risks of driving under the influence.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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About 40 people
The number the study aims to enrol. It can still change while the study runs.
- Start date
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Mar 2016
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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21 to 55 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Males or females 21 to 55 years of age (extremes included). * Exposed to cannabis at least once. * Exposed to alcohol at least once. * Able to provide informed consent. Exclusion Criteria: * Cannabis naïve * Alcohol naïve * Positive pregnancy screen * Hearing deficits * Sesame oil allergy
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Biological Studies Unit, VA Connecticut Healthcare System
West Haven, Connecticut, 06516, United States
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Other studies related to the condition(s) this trial covers.
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