Could cannabis ease opioid withdrawal? new study aims to find out
NCT ID NCT07661446
First seen Jun 27, 2026 · Last updated Aug 21, 2026 · Updated 2 times
Summary
This study will test whether cannabis can reduce the severity of opioid withdrawal and make opioid use safer. One hundred adults with opioid use disorder will live in a hospital for about six weeks. Researchers will give them cannabis and a small dose of opioids to see how their bodies react. The goal is to understand if cannabis can help manage withdrawal symptoms and reduce the risks of opioid use.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Inhaled cannabis
- What this could lead to
- If it works, this could point toward a way to use cannabis to help manage opioid withdrawal and reduce the risks of opioid use.
- What could go wrong
- This is a very early Phase 1 study with only 100 people. It is designed to test safety and basic effects, not to prove a treatment works. The results may not lead to a new therapy.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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 100 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Oct 2026
An estimate. Start dates often move.
- Expected to finish
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Jan 2030
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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18 to 55 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Participants with moderate to severe opioid use disorder Exclusion Criteria: * Individuals who do not use opioids or do not experience opioid withdrawal when they stop using opioids
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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University of Kentucky
Lexington, Kentucky, 40508, United States
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