Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Defiant Disorder, Oppositional: early-phase trial registry
A small indexed set (1 trial) with no open enrollment listed right now.
Corpus placement: #11,370 of 28,707 conditions by registered trial count.
1 US clinical trials · none currently recruiting · #11,370 of 28,707 conditions by registered trial count
Defiant Disorder, Oppositional: 1 US clinical trial tracked, none currently recruiting.
Defiant Disorder, Oppositional is the subject of 1 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. 0 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is Dartmouth-Hitchcock Medical Center, running 1 of these trials.
Enrollment posture brief
Registry condition defiant-disorder-oppositional
OPEN 0 | RECR 0% | LATE 0 | EARLY 1 | RANK #11370 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)
Defiant Disorder, Oppositional has no open enrollment in this registry pull (1 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 Defiant Disorder, Oppositional 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.
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Defiant Disorder, Oppositional is recruiting below its size-band peers.
0 of 1 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.
Indexed trials (enrollment closed)
1 total, page 1 of 1
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Defiant Disorder, Oppositional records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Defiant Disorder, Oppositional trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Defiant Disorder, Oppositional page
1 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- No Defiant Disorder, Oppositional trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
- Dartmouth-Hitchcock Medical Center sponsors the most Defiant Disorder, Oppositional trials on record, review their full trial history before evaluating a specific study. See Dartmouth-Hitchcock Medical Center'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 Defiant Disorder, Oppositional condition card totals 1 registered trials; most-linked intervention Connected Care (Enhanced Treatment as usual); top US site state New Hampshire. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.