🏛️ Verified NIH Record • Updated 2026-02-28
Cannabis and Polysubstance Use: Response Inhibition and Stress Exposure (NCT05261321)
🔵 Active, Not Recruiting Phase1 💊 Investigational Drug / Biologic Sponsor: University of British Columbia
🩺 Plain-English Summary (8th-Grade Level)
The purpose of this Phase I non-therapeutic trial is to examine the neurological effects of cannabis on stress reactivity and inhibition in healthy cannabis users. We expect differences between high ratio CBD:THC cannabis oil, low ratio CBD:THC cannabis oil, and/or placebo on outcome measures.
Who can join: Review the eligibility criteria below.
Location: B.R.A.I.N. Lab, Institute of Mental Health, Faculty of Medicine, University of British Columbia — Vancouver, British Columbia
Age range: 19 Years to 35 Years
🧪 Interventions in This Study
📋 "Do I Qualify?" — 1-Minute Self Screener
Instant ChecklistFull eligibility criteria are available on the official NIH protocol. View the criteria ↗
📍 All Participating Trial Locations (1 Sites)
- B.R.A.I.N. Lab, Institute of Mental Health, Faculty of Medicine, University of British Columbia — Vancouver, British Columbia
💰 Cost, Insurance & Patient Rights
- 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
- Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
- Voluntary Participation: You may withdraw at any time without affecting your standard medical care.
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💡 How to Participate
- Check the checklist above to see if you may qualify.
- Review the official NIH record below to find the coordinating site.
- Ask about the visit schedule, what is covered at no cost, and any travel support.
- Confirm with your own doctor before making a decision.