Condition (MeSH)
Marijuana Use
ClinicalTrials.gov lists 54 trials for Marijuana Use or a narrower condition beneath it.
Search trials, drugs, companies and investigators, and follow each one to the others. Individual plan, $249/seat/mo. Card required.
Trials per phase
33 of the 54 trials are tagged with Marijuana Use itself; the rest are tagged with a narrower condition beneath it.
When did Marijuana Use trials start? (22)
Shown in this order: most recent first, 1990 onwards. 2026 is partial: trials registered with a 2026 start date so far, not a full year.
Trials over time, by phase
- Phase 1
- Phase 1/2
- Phase 2
- Phase 2/3
- Phase 3
- Not applicable
- Observational
Top of scale: 5
Trials registered with a start date in each year, 1990 onward, stacked by phase (complete years only; the current partial year is in the table's notes). The table below lists the same counts, most recent years first.
| Year | Trials started |
|---|---|
| 2026 (partial year) | 4 |
| 2025 | 5 |
| 2024 | 1 |
| 2023 | 5 |
| 2022 | 5 |
| 2021 | 5 |
| 2020 | 2 |
| 2018 | 1 |
| 2017 | 1 |
| 2016 | 1 |
Showing 10 of 22 earlier years.
No forecast is made for this condition: it averages 4.0 trial starts a year over the five years to September, under the 5 a year the method needs.
Prediction, not a registry value: median of 36 months from start to primary completion across 7 trials still running at the 2026-10-09 snapshot; registered median of 21 months across 40 trials with a primary completion typed Actual. Source: ClinicalTrials.gov / AACT (CTTI), public domain.
What phase are Marijuana Use trials in? (7)
Shown in this order: phase order.
Show the trials by phase as a table
| Phase | Trials |
|---|---|
| Phase 1 | 2 |
| Phase 1/2 | 2 |
| Phase 2 | 10 |
| Phase 2/3 | 2 |
| Phase 3 | 2 |
| Not applicable | 31 |
| Observational | 5 |
How many Marijuana Use trials are recruiting? (7)
Shown in this order: the order a trial moves through, from not yet recruiting to unknown.
| Status | Trials |
|---|---|
| Not yet recruiting | 2 |
| Recruiting | 8 |
| Active, not recruiting | 1 |
| Completed | 38 |
| Suspended | 1 |
Showing 5 of 7 statuses.
Status as registered on ClinicalTrials.gov. Each trial is counted once.
Which lead sponsors run the most Marijuana Use trials? (2)
Shown in this order: most trials first. Lead sponsors the registry classes as industry, NIH, US federal, other government or network. A hospital or university the registry files as government can appear here. Sponsors it classes as academic or other are shown on the full page, because that class cannot separate an institution from a named investigator.
| Sponsor | Trials |
|---|---|
| Bayliss J. Camp, PhD | 1 |
| Consumer Wellness Solutions | 1 |
Which drugs are being tested for Marijuana Use? (1)
Shown in this order: most trials first. One row per drug, matched to a single molecule under all its names, ranked by number of trials.
| Drug | Trials |
|---|---|
| Marijuana | 4 |
Interventions as named in the registry (14)
Shown in this order: most trials first.
| Drug | Trials |
|---|---|
| varenicline free base | 3 |
| Dronabinol 120mg/day | 2 |
| Treatment As Usual | 2 |
| High THC/No CBD Marihuana | 1 |
| Active Marijuana (5.5% THC) | 1 |
Showing 5 of 14 interventions.
These are the names sponsors entered on ClinicalTrials.gov that we have not matched to a single molecule. Some are drugs under a brand or code name; others are procedures, doses or arm labels.
Which serious adverse events do Marijuana Use trials report? (10)
Shown in this order: most subjects affected first. Subjects affected summed across trials, a cross-trial signal, not a rate.
| Adverse event | Subjects affected | Trials |
|---|---|---|
| Hospitalizations | 2 | 1 |
| Abdominal Pain | 1 | 1 |
| Catheter Blockage | 1 | 1 |
| Cellulitis | 1 | 1 |
| Cervical disk herniation | 1 | 1 |
Showing 5 of 10 adverse events.
Which publications cover Marijuana Use? (47)
Shown in this order: major-topic papers first, then newest, then most linked to trials.
| Publication | Journal | Year | Major topic |
|---|---|---|---|
| Dual abstinence from nicotine vaping and cannabis use among young people: secondary analyses from two U.S.-based randomized controlled trials of vaping cessation. | Substance abuse treatment, prevention, and policy | 2025 | Yes |
| Patterns of Cannabis Use among Women With HIV in the United States. | AIDS and behavior | 2025 | Yes |
| Cannabis use among adults who smoke tobacco: Relations with switching from combusted cigarettes to e-cigarettes or very low nicotine cigarettes. | Drug and alcohol dependence | 2025 | Yes |
| User-centered Design of an Adjunct Smartphone App to Reduce Cannabis Use among Youth Diverted from the Juvenile Legal System. | Research on child and adolescent psychopathology | 2025 | Yes |
| Cannabis Use and Nicotine Vaping Cessation Outcomes: A Secondary Analysis of a Randomized Clinical Trial. | JAMA network open | 2025 | Yes |
Showing 5 of 47 publications.
Not on this page
Not measured: delivery record.
Checked, with nothing recorded for this condition: prevalence, rare-disease identity, and sub-conditions in mesh.