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 1 of 2
Carboxylesterase 1 Genetic Variation and Methylphenidate in ADHD
Icahn School of Medicine at Mount Sinai
NCT03781752
AWARE: Management of ADHD in Autism Spectrum Disorder
Daniel Coury
NCT05916339
P3b Short-term Study of CTN in Patients With ADHD and Comorbid Anxiety
Otsuka Pharmaceutical Development & Commercialization
NCT06973577
Advancing Identification of Circadian Delay in ADHD Youth: Associations With Clinical Heterogeneity and Cognition
Duke University
NCT06971640
Central Executive Training and Parent Training for ADHD
Florida State University
NCT05492422
Target ADHD Executive Working Memory Replication Study
Hartford Hospital
NCT06446284
A Comparative Study to Evaluate a Novel Algorithm As a Diagnostic Aid for ADHD in Youth Ages 6-17.
MindTension
NCT06728969
Fidgeting and Attentional and Emotional Regulation in ADHD
University of California, Davis
NCT04526600
Evaluating Treatment of ADHD in Children with Down Syndrome
Children's Hospital Medical Center, Cincinnati
NCT04219280
Studies of Brain and Body Interaction
Rutgers University
NCT03672266
A Study to Evaluate the Effects of a Supplement on the Side Effects Associated With Stimulant Medications
Outliers
NCT07380412
Impact of Parental Emotion Regulation on the Treatment of ADHD
Milton S. Hershey Medical Center
NCT05299814
Digital Health Intervention for Children With ADHD
University of California, Riverside
NCT06456372
Rural Autistic Individuals - Supporting Expression
Montana State University
NCT07054866
Accelerated iTBS Targeting of Working Memory Versus Inhibitory Control in Adolescent ADHD
Bradley Hospital
NCT07219810
Evaluate the Effects of Long-term Use of Psychotropic Medications on Eye Movement Patterns With the Gaize Device
Gaize
NCT07389473
Virtual Reality Attention Management
University of California, Davis
NCT03221244
Stimulant vs. Non-stimulant Treatments and Reward Processing in Drug-naive Youth at SUD Risk
Icahn School of Medicine at Mount Sinai
NCT03781765
A Trial to Assess How Centanafadine Interacts With Stimulants in the Body
Otsuka Pharmaceutical Development & Commercialization
NCT07314333
Comparative Efficacy of Organizational Skills Training (OST) and Mindfulness-Based Intervention (MBI)
Seattle Children's Hospital
NCT07281092
A Pilot Study of a Remote ADHD Monitoring Program
IDeA States Pediatric Clinical Trials Network
NCT06743425
Comparative Efficacy of Organizational Skills Training (OST) and Mindfulness-Based Intervention (MBI)
Duke University
NCT07089745
Impact of Sulphonylureas on Neurodevelopmental Outcomes in KCNJ11-related Intermediate Developmental Delay, Epilepsy and Neonatal Diabetes (iDEND) Syndrome
Royal Devon and Exeter NHS Foundation Trust
NCT05751525
Moms Managing Attention-Deficit/Hyperactivity Disorder (ADHD) Study
University of Pittsburgh
NCT06540547
Reducing Disparities in Behavioral Health Treatment for Children in Primary Care
Children's Hospital of Philadelphia
NCT04082234
Single and Combined Effects of Behavioral, Academic, and Medication Treatments for ADHD in the Classroom
Florida International University
NCT05469386
Treating Parents with ADHD and Their Young Children Via Telehealth: a Hybrid Type I Effectiveness-Implementation Trial
University of Maryland, College Park
NCT04240756
EndeavorOTC™ Prospective Product Registry
Akili Interactive Labs
NCT06109051
An Adjunct Study to Assess Guided ADHD Therapy for Managing the Extent and Severity of Symptoms
Lumos Labs
NCT05805176
EndeavorRx® Prospective Product Registry ("Expedition EndeavorRx")
Akili Interactive Labs
NCT05991167
tRNS Treatment for ADHD Symptoms
Innosphere
NCT06189703
Evaluating Stress Management Strategies Within the School Readiness Parenting Program
Florida International University
NCT06626750
Testing "SupporT for ADHD and Related Treatment" (START) for Families of Children With ADHD
Ann & Robert H Lurie Children's Hospital of Chicago
NCT05796427
A Trial of Two-Week Brain Stimulation for Teenagers With ADHD
Bradley Hospital
NCT05102864
Flashed Light Therapy for Adolescents With ADHD and Delayed Sleep Timing
University of California, Los Angeles
NCT06036420
National Child Traumatic Stress Network (NCTSN) Quality Improvement Initiative Database
Hugo W. Moser Research Institute at Kennedy Krieger
NCT01591694
Evaluation of an Intervention for Improving Community-based Pediatric Attention-Deficit Hyperactivity Disorder (ADHD) Care
Children's Hospital Medical Center, Cincinnati
NCT01143701
Guided ADHD Therapy for Managing the Extent and Severity of Symptoms
Lumos Labs
NCT05296473
Dose-Finding Study to Evaluate the Efficacy and Safety of Modafinil as Treatment for Adults With ADHD
Cephalon
NCT00315276
PRC-063 in Adolescent ADHD
Rhodes Pharmaceuticals, L.P.
NCT02139111
Adolescent Changes in Brain and Behavior in Boys and Girls With ADHD
Hugo W. Moser Research Institute at Kennedy Krieger
NCT05927506
A Double-Blind Comparison of Concerta and Placebo in Adults With Attention Deficit Hyperactivity Disorder
Massachusetts General Hospital
NCT00181571
A Study of TD-9855 in Adults With Attention-Deficit/Hyperactivity Disorder (ADHD)
Theravance Biopharma
NCT01458340
PRC-063 Adult Laboratory Classroom Study in Adults With Attention-Deficit/Hyperactivity Disorder (ADHD)
Purdue Pharma, Canada
NCT03618030
Smoking Cessation for Adults With Attention Deficit Hyperactivity Disorder (ADHD)
University of Cincinnati
NCT00253747
Central Executive Training (CET) for ADHD
Florida State University
NCT03324464
Efficacy and Safety of Methylphenidate HCl ER Capsules in Children and Adolescents With ADHD
Rhodes Pharmaceuticals, L.P.
NCT01239030
Evaluate the Efficacy &Safety of Methylphenidate Transdermal System (MTS) in Adolescents Aged 13-17 Years With ADHD
Noven Therapeutics
NCT00499863
PRC-063 Classroom Study in Children (6-12 Years of Age) With ADHD
Purdue Pharma, Canada
NCT03172481
Treatment of Adult Attention Deficit Hyperactivity Disorder (ADHD) in Methadone Patients - 1
New York State Psychiatric Institute
NCT00061087
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.