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NCT03518567 · ClinicalTrials.gov registry record · Phase 2
Behavioral Economic Analysis of Demand for Marijuana
A Phase 2 study, sponsored by Brown University.
- Completed
- Registry status
- Phase 2
- Development phase
- 133
- Enrollment target
NCT03518567: Completed Phase 2 study, sponsored by Brown University.
NCT03518567 is a Phase 2 study that has completed, run by Brown University. The registered enrollment target is 133 participants, roughly in line with the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target. According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT03518567, a Phase 2 study, has completed, sponsored by Brown University.
- COMPLETED
- Registry status
- Phase 2
- Development phase
- 133 participants
- Enrollment target
Study Summary
This laboratory study will employ a multi-session experimental design to examine the behavioral economic demand for marijuana, by studying effect of marijuana administration (High THC) on demand for marijuana, and marijuana smoking topography. The study will recruit 100 non-treatment seeking marijuana users who smoke marijuana at least twice weekly.
Primary Outcome
The Marijuana Purchase Task will be used to collect data on marijuana demand. Participants indicate how much marijuana they would purchase at varying levels of price (e.g., free - $60). Indices of marijuana demand are derived from the task and used to determine the relative value of marijuana for each participant. Hits purchased on the MPT will correspond with actual number of hits purchased and smoked in the laboratory. Primary outcome is percentage of participants who purchased and smoked exac
Interventions
- DRUG Smoked marijuana cigarettes: High THC dose (6% THC)
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 133 participants |
| Start Date | 2018-10-15 |
| Est. Completion | 2021-05-24 |
| Phase | Phase 2 |
What the finished NCT03518567 record still lists
NCT03518567 is an interventional study that assigns participants to a tested intervention. The registered 133 participants enrollment target is mid-sized for trials with a published cap, roughly in line with the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target.
The record links to 0 conditions, and to 1 intervention - of which Smoked marijuana cigarettes: High THC dose (6% THC) is the first listed.
NCT03518567 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT03518567 about?
NCT03518567 is a clinical study titled "Behavioral Economic Analysis of Demand for Marijuana". This laboratory study will employ a multi-session experimental design to examine the behavioral economic demand for marijuana, by studying effect of marijuana administration (High THC) on demand for marijuana, and marijuana smoking topography. The study will recruit 100 non-treatment seeking marijua...
What is the current status of trial NCT03518567?
This trial is currently completed. It is a Phase 2 study. The enrollment target is 133 participants. The study started on 2018-10-15. Estimated completion is 2021-05-24.
What interventions are being tested in trial NCT03518567?
The interventions under investigation include: Smoked marijuana cigarettes: High THC dose (6% THC) (DRUG).
Who is sponsoring clinical trial NCT03518567?
This trial is sponsored by Brown University, which has 231 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT03518567's enrollment target sits among peer trials
133 538th of 2000 higher than 1,462 of 2,000 other Phase 2 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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