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ClinicalTrials.gov enrollment closed later-stage tilt small index

Drug Usage: later-stage trial registry

A small indexed set (2 trials) with no open enrollment listed right now.

Corpus placement: #7,188 of 28,707 conditions by registered trial count.

2 US clinical trials · none currently recruiting · #7,188 of 28,707 conditions by registered trial count

Drug Usage: 2 US clinical trials tracked, none currently recruiting.

Drug Usage is the subject of 2 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. 1 are in Phase 3-4 (later-stage) and 0 in Phase 1-2 (earlier-stage). The most active sponsor is University of Michigan, running 1 of these trials.

Enrollment posture brief

Registry condition drug-usage

OPEN 0 | RECR 0% | LATE 1 | EARLY 0 | RANK #7188 | SPON 1

Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)

Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%Drug Usage (this)0%
Open-enrollment share among volume-matched conditions near Drug Usage

Drug Usage has no open enrollment in this registry pull (2 archived studies). Peers show how other volume-matched labels compare on open share. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Drug Usage 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. Drug Usage is recruiting below its size-band peers.

    0 of 2 indexed trials (0%) 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.

Phase 31

Phase Distribution

PhaseTrial count
Phase 3 1

Top Sponsors

Named interventions

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

S4E Behavioral
1 trials
Control: Information and Feedback Behavioral
1 trials
Enhanced Brief Intervention Behavioral
1 trials
Standard Brief Intervention Behavioral
1 trials
Usual Care Behavioral
1 trials

US sites by state

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

Michigan 1 trials
Massachusetts 1 trials

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

What to do with this Drug Usage page

2 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • No Drug Usage trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
  • University of Michigan sponsors the most Drug Usage trials on record, review their full trial history before evaluating a specific study. See University of Michigan's trials
  • Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide

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 Drug Usage condition card totals 2 registered trials; most-linked intervention S4E; top US site state Michigan. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.