New study aims to create a reliable cannabis breathalyzer
NCT ID NCT06975020
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This pilot study compares regular cannabis users to non-users to find biomarkers that can estimate when someone last inhaled cannabis. Researchers will measure chemicals in blood and look at genetic factors. The goal is to improve road safety by developing a more accurate test for driving under the influence of cannabis.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- cannabis (inhaled)
- What this could lead to
- If successful, this could lead to a reliable test to estimate when someone last used cannabis, helping to regulate driving under the influence more fairly.
- What could go wrong
- This is a small pilot study, so results may not be conclusive. The biomarkers found may not be accurate enough for real-world use, and individual differences could limit reliability.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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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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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Insitute of forensic medicine
RECRUITINGBasel, 4056, Switzerland
Contact Phone: •••-•••-•••• Email: •••••@•••••