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Attention Deficit Hyperactivity Disorder: full-pipeline trial registry
29 of 103 indexed Attention Deficit Hyperactivity Disorder trials are currently recruiting.
Corpus placement: #130 of 28,707 conditions by registered trial count.
103 US clinical trials · 29 currently recruiting · #130 of 28,707 conditions by registered trial count
Attention Deficit Hyperactivity Disorder: 103 US clinical trials tracked, 29 recruiting.
Attention Deficit Hyperactivity Disorder is the subject of 103 registered US clinical trials on ClinicalTrials.gov, 29 of them currently open to new participants. 27 are in Phase 3-4 (later-stage) and 24 in Phase 1-2 (earlier-stage). The most active sponsor is Massachusetts General Hospital, running 9 of these trials.
Enrollment posture brief
Registry condition attention-deficit-hyperactivity-disorder
OPEN 29 | RECR 28% | LATE 27 | EARLY 24 | RANK #130 | SPON 9
Volume-matched condition peers
Nearest open-share peer: Astigmatism (28% recruiting · 32 trials)
Attention Deficit Hyperactivity Disorder lists 29 open slots (28% of 103 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 Attention Deficit Hyperactivity Disorder 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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Attention Deficit Hyperactivity Disorder is recruiting below its size-band peers.
29 of 103 indexed trials (28.2%) are open to enrollment, against a 37.1% average across 139 conditions with 100+ trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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Sponsorship of Attention Deficit Hyperactivity Disorder trials is spread across many organizations.
Massachusetts General Hospital accounts for 9 of 103 trials (8.7%). 64 distinct sponsors appear on at least one study for this condition label.
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Typical Attention Deficit Hyperactivity Disorder enrolment sits around 71 participants.
Median target enrolment is 71 among the 103 trials that report a genuine target (sentinel values excluded). 56 of those (54.4%) plan for fewer than 100 participants.
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Attention Deficit Hyperactivity Disorder research is mostly interventional.
97 interventional and 6 observational studies make up this index (94.2% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
103 total, page 3 of 3
Medication Integration in Treatment of Comorbid Adolescent Substance Users/Attention Deficit Hyperactivity Disorder
The National Center on Addiction and Substance Abuse at Columbia University
NCT01369459
Healing Minds: Biofeedback and Breathing Practices in Children and Adolescents With ADHD
Hoskinson Health and Wellness Clinic
NCT06648252
Effects of L-theanine and Caffeine on Attention and Attention-related Brain Activity of Children With Attention Deficit Hyperactivity Disorder
Texas Tech University
NCT03533556
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 8 |
| Phase 2 | 16 |
| Phase 3 | 10 |
| Phase 4 | 17 |
Top Sponsors
Named interventions
Most-linked intervention names on Attention Deficit Hyperactivity Disorder records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Attention Deficit Hyperactivity Disorder 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 Attention Deficit Hyperactivity Disorder page
103 registered trials, 29 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 29 Attention Deficit Hyperactivity Disorder trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Massachusetts General Hospital sponsors the most Attention Deficit Hyperactivity Disorder trials on record, review their full trial history before evaluating a specific study. See Massachusetts General Hospital'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 Attention Deficit Hyperactivity Disorder condition card totals 103 registered trials; most-linked intervention Placebo; top US site state New York. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.