MARIJUANA
Clinical trials for MARIJUANA explained in plain language.
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Medical cannabis vouchers may cut opioid use in chronic pain patients
Disease control CompletedThis study tested whether giving adults with chronic pain discounted vouchers for medical cannabis soft-gel capsules could help them reduce their opioid painkiller use. 270 participants were randomly assigned to receive vouchers for placebo or cannabis capsules with different THC…
Matched conditions: MARIJUANA
Phase: NA • Sponsor: Vireo Health • Aim: Disease control
Last updated Jun 27, 2026 11:00 UTC
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Cash for quitting: study tests if a month without weed boosts HIV health
Disease control CompletedThis study looked at whether people with HIV who regularly use cannabis could stop for 28 days and whether that would improve their mood, pain, sleep, and HIV viral load. Twenty-five participants were given financial incentives to stay cannabis-free, with urine tests to confirm. …
Matched conditions: MARIJUANA
Phase: NA • Sponsor: The University of Texas Health Science Center at San Antonio • Aim: Disease control
Last updated Jun 26, 2026 13:33 UTC
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Does pot make you drink more? study investigates
Knowledge-focused CompletedThis study looked at how smoking marijuana with different levels of THC affects alcohol cravings and drinking in people who are heavy drinkers and also use marijuana. 157 participants were given either a high-THC, moderate-THC, or placebo marijuana cigarette, then their alcohol c…
Matched conditions: MARIJUANA
Phase: PHASE2 • Sponsor: Brown University • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:23 UTC
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Can video therapy help families cope with psychosis and addiction?
Knowledge-focused CompletedThis study tested a program called CRAFT-EP, which helps families support a relative with early psychosis and substance use (like alcohol or cannabis). The program was delivered entirely through video calls. Researchers measured family members' depression and anxiety to see if th…
Matched conditions: MARIJUANA
Phase: NA • Sponsor: Mclean Hospital • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:08 UTC
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THC sleep study: frequent vs. rare users under the microscope
Knowledge-focused CompletedThis study looked at how a pill form of THC (dronabinol) affects sleep and thinking in 18 adults. Some participants used cannabis frequently (more than 3 times a week), while others rarely used it (less than 10 times ever). Researchers measured sleep stages, alertness, memory, an…
Matched conditions: MARIJUANA
Phase: EARLY_PHASE1 • Sponsor: Oregon Health and Science University • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:02 UTC