MARIJUANA
Clinical trials for MARIJUANA explained in plain language.
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Cannabis vouchers may cut opioid use in chronic pain patients
Disease control CompletedThis study looked at whether giving people with chronic pain discounted vouchers for medical cannabis could help them use fewer opioid painkillers. About 270 adults who already had medical cannabis certification took part. Researchers tracked their opioid use over time to see if …
Matched conditions: MARIJUANA
Phase: NA • Sponsor: Vireo Health • Aim: Disease control
Last updated May 11, 2026 20:47 UTC
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THC's snooze effect put to the test
Symptom relief CompletedThis study looked at how THC, the active part of cannabis, affects sleep. 18 people who either used cannabis often or rarely took THC pills and slept in a lab. Researchers measured their brain waves, heart rate, and thinking skills to see how THC changes sleep.
Matched conditions: MARIJUANA
Phase: EARLY_PHASE1 • Sponsor: Oregon Health and Science University • Aim: Symptom relief
Last updated May 13, 2026 16:01 UTC
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HIV and cannabis: 28-Day break shows promise for better health
Knowledge-focused CompletedThis study looked at whether people with HIV who regularly use cannabis can stop for 28 days and if that break improves their mood, pain, sleep, and HIV control. Twenty-five participants were given money rewards for staying cannabis-free, confirmed by urine tests. The goal was to…
Matched conditions: MARIJUANA
Phase: NA • Sponsor: The University of Texas Health Science Center at San Antonio • Aim: Knowledge-focused
Last updated May 17, 2026 05:29 UTC
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Does marijuana make you drink more? study investigates.
Knowledge-focused CompletedThis study looked at how different strengths of marijuana (high, moderate, or placebo) affect alcohol cravings and drinking behavior in 157 heavy drinkers who also use marijuana at least twice a week. Participants were exposed to alcohol-related cues and then given a choice to dr…
Matched conditions: MARIJUANA
Phase: PHASE2 • Sponsor: Brown University • Aim: Knowledge-focused
Last updated May 13, 2026 15:59 UTC
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Can video chats help families cope with psychosis and addiction?
Knowledge-focused CompletedThis study tested a telehealth program called CRAFT-EP that helps families support a relative with early psychosis and substance use (like alcohol or cannabis). 65 family members took part. The goal was to see if the program improves family wellbeing, including depression and anx…
Matched conditions: MARIJUANA
Phase: NA • Sponsor: Mclean Hospital • Aim: Knowledge-focused
Last updated May 11, 2026 20:41 UTC