Study tests how a drink and a puff impact your driving
NCT ID NCT02404688
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at how small amounts of alcohol and THC (the active part of cannabis) affect driving in a simulator. Forty adults aged 21 to 55 who have used both substances before will take part. The goal is to understand how these drugs change driving performance and thinking, which could help make roads safer.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
THC and ethanol
What this could lead to
If successful, this study could help clarify how low doses of alcohol and cannabis impair driving, potentially informing safer driving guidelines.
What could go wrong
This is a small, early-phase lab study with only 40 participants. Results may not reflect real-world driving or apply to higher doses or different populations.
Disclaimer
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This is a summary of
the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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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
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Locations
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Biological Studies Unit, VA Connecticut Healthcare System
West Haven, Connecticut, 06516, United States