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ClinicalTrials.gov 5 recruiting now early-phase tilt small index

THC: early-phase trial registry

5 of 10 indexed THC trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #1,724 of 28,707 conditions by registered trial count.

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10 US clinical trials · 5 currently recruiting · #1,724 of 28,707 conditions by registered trial count

THC: 10 US clinical trials tracked, 5 recruiting.

THC is the subject of 10 registered US clinical trials on ClinicalTrials.gov, 5 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 9 in Phase 1-2 (earlier-stage). The most active sponsor is Johns Hopkins University, running 2 of these trials.

Enrollment posture brief

Registry condition thc

OPEN 5 | RECR 50% | LATE 0 | EARLY 9 | RANK #1724 | SPON 2

Volume-matched condition peers

Nearest open-share peer: Abdominal Aortic Aneurysms (50% recruiting · 6 trials)

Acute Leukemia of Ambiguous 80%THC (this)50%Achondroplasia40%Accelerated Phase Chronic My20%Accidental Fall20%
Open-enrollment share among volume-matched conditions near THC

THC lists 5 open slots (50% of 10 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for THC on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.

  1. THC is recruiting above its size-band peers.

    5 of 10 indexed trials (50%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

  2. One sponsor concentrates THC research.

    Johns Hopkins University accounts for 2 of 10 trials (20%). 6 distinct sponsors appear on at least one study for this condition label.

  3. Most THC trials plan to enrol fewer than 100 people.

    Median target enrolment is 48 among the 10 trials that report a genuine target (sentinel values excluded). 9 of those (90%) plan for fewer than 100 participants.

  4. THC research is mostly interventional.

    10 interventional and 0 observational studies make up this index (100% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 15Phase 24

Phase Distribution

PhaseTrial count
Phase 1 5
Phase 2 4

Top Sponsors

Johns Hopkins University 2 trials
Yale University 2 trials
University of California, San Diego 2 trials
University of California, San Francisco 2 trials
Hartford Hospital 1 trials
University of Chicago 1 trials

Named interventions

Most-linked intervention names on THC records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Placebo Drug
5 trials
THC Drug
3 trials
Alpha-Pinene Drug
1 trials
Sham Cannabis Drug
1 trials
THC ~5% and CBD ~12% Drug
1 trials
CBD ~12% Drug
1 trials
THC ~5% Drug
1 trials
Marijuana, Hash, THC, or Grass Drug
1 trials

US sites by state

Facility locations filed on THC trials. A trial with sites in several states counts in each.

California 4 trials
Connecticut 3 trials
Maryland 2 trials
Illinois 1 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

Related

Read our methodology - how this data is sourced, computed, and verified.

What to do with this THC page

10 registered trials, 5 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This THC condition card totals 10 registered trials; most-linked intervention Placebo; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.