Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
ADHD: later-stage trial registry
24 of 77 indexed ADHD trials are currently recruiting, with more weight in Phase 3-4.
Corpus placement: #175 of 28,707 conditions by registered trial count.
77 US clinical trials · 24 currently recruiting · #175 of 28,707 conditions by registered trial count
ADHD: 77 US clinical trials tracked, 24 recruiting.
ADHD is the subject of 77 registered US clinical trials on ClinicalTrials.gov, 24 of them currently open to new participants. 20 are in Phase 3-4 (later-stage) and 9 in Phase 1-2 (earlier-stage). The most active sponsor is Duke University, running 4 of these trials.
Enrollment posture brief
Registry condition adhd
OPEN 24 | RECR 31% | LATE 20 | EARLY 9 | RANK #175 | SPON 4
Volume-matched condition peers
Nearest open-share peer: Eosinophilic Esophagitis (31% recruiting · 45 trials)
ADHD lists 24 open slots (31% of 77 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 ADHD 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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ADHD is recruiting below its size-band peers.
24 of 77 indexed trials (31.2%) are open to enrollment, against a 39.7% average across 762 conditions with 20-99 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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Sponsorship of ADHD trials is spread across many organizations.
Duke University accounts for 4 of 77 trials (5.2%). 52 distinct sponsors appear on at least one study for this condition label.
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Typical ADHD enrolment sits around 72 participants.
Median target enrolment is 72 among the 76 trials that report a genuine target (sentinel values excluded). 41 of those (53.9%) plan for fewer than 100 participants.
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ADHD research is mostly interventional.
67 interventional and 10 observational studies make up this index (87% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
77 total, page 2 of 2
Behavioral Effects of Obstructive Sleep Apnea in Children
University of Michigan
NCT00060723
Safety and Efficacy Study of Dexmethylphenidate in Children With ADHD
Novartis
NCT00141063
A Peer-Delivered High School Preparatory Intervention for Students With ADHD
Seattle Children's Hospital
NCT04571320
Effects of Performing Arts on Attention-deficit/Hyperactivity Disorder (ADHD)
Virginia Polytechnic Institute and State University
NCT07318935
A Novel fNIRS Neurofeedback Intervention for Enhancement of Working Memory in Attention Deficit Hyperactivity Disorder (ADHD)
Stanford University
NCT04002167
Brain Plasticity Underlying Acquisition of New Organizational Skills in Children
NYU Langone Health
NCT04108273
Tai Chi Training for Children With ADHD
Hugo W. Moser Research Institute at Kennedy Krieger
NCT02234557
Basic and Clinical Research on Attention Deficit Hyperactivity Disorder (ADHD)
University of Illinois at Chicago
NCT00663442
Initial Validation of the Vanderbilt ADHD Measure for Adolescent Patients in the ICISS Project
Boston Children's Hospital
NCT01964209
Brain Plasticity Underlying Acquisition of New Organizational Skills in Children-R61 Phase
NYU Langone Health
NCT03148782
Does Pharmacological Treatment of Attention Deficit Hyperactivity Disorder (ADHD) in Adults Enhance Parenting Performance?
Florida International University
NCT01127607
Effects of Noise Cancelling Headphones on Neurocognitive and Academic Outcomes in ADHD
Duke University
NCT03216512
Study of Medication Patch to Treat Children Ages 6-12 With ADHD
Massachusetts General Hospital
NCT00586157
Pediatric Aquatic Occupational Therapy for Children With Sensory Processing Challenges
Kristen Pataki
NCT06484946
El Faro: Addressing Mental Health Inequities Among Latinx Children With ADHD in Durham
Duke University
NCT05928182
Safety, Tolerability, PK & Efficacy of V81444 in Volunteers With Attention Deficit/ Hyperactivity Disorder (ADHD)
Vernalis (R&D)
NCT02253745
Study of the Effect of Calorie Supplementation on Growth in Young Children on ADHD Medication
University of Nebraska
NCT00561340
Effects of Exercise Intensity on ADHD Symptoms
Kent State University
NCT06753253
The Reinforcing Mechanisms of Smoking in Adult ADHD
University of California, Irvine
NCT00573859
Effects of Cognitive Training on Academic Task Performance in Attention Deficit Hyperactivity Disorder (ADHD)
University of California, Davis
NCT01124721
Vitamin D as a Therapeutic Adjunct in the Stimulant Treatment of ADHD
Yale University
NCT03103750
ACTIVATE: A Computerized Training Program for Children With ADHD
New York University
NCT02562469
Validating a New Non-invasive Approach to Testing Lidocaine Effectiveness
PhenoSolve
NCT03680885
Treating Sleep in Teens With ADHD
Children's Hospital Medical Center, Cincinnati
NCT04270812
Improving Behavioral Health Care for Children With ADHD
NYU Langone Health
NCT02972086
TD-9855 Mass Balance Study
Theravance Biopharma
NCT01924143
Study to Assess Satisfaction With Modafinil Treatment in Children and Adolescents With ADHD
Cephalon
NCT00228540
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 6 |
| Phase 2 | 3 |
| Phase 3 | 10 |
| Phase 4 | 10 |
Top Sponsors
Named interventions
Most-linked intervention names on ADHD records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on ADHD 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 ADHD page
77 registered trials, 24 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 24 ADHD trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Duke University sponsors the most ADHD trials on record, review their full trial history before evaluating a specific study. See Duke University'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 ADHD condition card totals 77 registered trials; most-linked intervention Placebo; top US site state Florida. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.