CBD may alter cannabis tolerance in heavy users
NCT ID NCT07471347
First seen Mar 16, 2026 · Last updated May 13, 2026 · Updated 5 times
Summary
This study looks at whether cannabidiol (CBD) affects how much THC heavy cannabis users need to feel intoxicated. About 30 adults who use cannabis heavily will take a single dose of CBD or a placebo, then inhale THC from a vaporiser and decide when they've had enough. Researchers will measure how much THC they use, plus mood, thinking, and physical signs like heart rate. The goal is to better understand cannabis tolerance and CBD's role.
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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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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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King's Clinical Research Facility
London, United Kingdom
Contact Phone: •••-•••-••••
Conditions
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