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Autism Spectrum Disorder: early-phase trial registry
112 of 225 indexed Autism Spectrum Disorder trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #41 of 28,707 conditions by registered trial count.
225 US clinical trials · 112 currently recruiting · #41 of 28,707 conditions by registered trial count
Autism Spectrum Disorder: 225 US clinical trials tracked, 112 recruiting.
Autism Spectrum Disorder is the subject of 225 registered US clinical trials on ClinicalTrials.gov, 112 of them currently open to new participants. 4 are in Phase 3-4 (later-stage) and 49 in Phase 1-2 (earlier-stage). The most active sponsor is Stanford University, running 19 of these trials.
Enrollment posture brief
Registry condition autism-spectrum-disorder
OPEN 112 | RECR 50% | LATE 4 | EARLY 49 | RANK #41 | SPON 19
Volume-matched condition peers
Nearest open-share peer: Alzheimer Disease (50% recruiting · 312 trials)
Autism Spectrum Disorder lists 112 open slots (50% of 225 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 Autism Spectrum 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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Autism Spectrum Disorder is recruiting above its size-band peers.
112 of 225 indexed trials (49.8%) 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 Autism Spectrum Disorder trials is spread across many organizations.
Stanford University accounts for 19 of 225 trials (8.4%). 113 distinct sponsors appear on at least one study for this condition label.
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Most Autism Spectrum Disorder trials plan to enrol fewer than 100 people.
Median target enrolment is 67 among the 225 trials that report a genuine target (sentinel values excluded). 147 of those (65.3%) plan for fewer than 100 participants.
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Autism Spectrum Disorder research is mostly interventional.
195 interventional and 30 observational studies make up this index (86.7% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
225 total, page 5 of 5
Cannabidiol for ASD Open Trial
NYU Langone Health
NCT03900923
ASD (Autism Spectrum Disorder) Telehealth for Distress Related to COVID-19
Rutgers, The State University of New Jersey
NCT04460677
Autologous Umbilical Cord Blood Infusion for Children With Autism Spectrum Disorder (ASD)
Duke University
NCT02176317
Transcranial Photobiomodulation for Reducing Autism Symptoms in Children - Open Label Study (TPBMASDOL)
JelikaLite
NCT06359080
A Study of the Elopement Prevention and Safety Training Program
Emory University
NCT02383732
Study of the Pharmacokinetics and Safety of Tasimelteon in Children and Adolescents
Vanda Pharmaceuticals
NCT02776215
Mapping the Phenotype in Adults With Phelan-McDermid Syndrome
Boston Children's Hospital
NCT03426059
Effects of Drugs on Responses to Brain and Emotional Processes
University of Chicago
NCT04053036
Thinking in Speech for Children With Autism
University of Pittsburgh
NCT05256095
Teaching Academic Success Skills to Students With Autism Spectrum Disorders in Clinical Setting
Children's Hospital Medical Center, Cincinnati
NCT03606343
GroundsKeeper: A Qualitative Study of Applied Game-based Interactives in Special Education Programs
CogCubed
NCT01808066
Developing Mental Health Supports for Autistic Students
Rutgers, The State University of New Jersey
NCT04926090
Study of Neuroimaging Biomarkers of Social Cognition Deficits in Adolescents (Age 13-17) With Autism Spectrum Disorder and Effects of Gabapentin
University of Massachusetts, Worcester
NCT03589898
Folinic Acid in Autism
University of California, San Francisco
NCT03771560
Coaching Children With Anxiety and Autism Through Telehealth
Medical University of South Carolina
NCT05588570
Effect of a Wide Spectrum Nutritional Supplement on Mitochondrial Function in Children With Autism Spectrum Disorder
Rossignol Medical Center
NCT03835117
The Effect of the Low Fodmap Diet in Children With Autism Spectrum Disorders
Ohio State University
NCT04054349
Mentorship Program for Individuals With Autism Spectrum Disorder (ASD)
University of Minnesota
NCT05300295
TMS for Adults With Autism and Depression
Medical University of South Carolina
NCT02939560
Feasibility and Safety of a Virtual-Reality Based Job Interview Training Tool in Teenagers With High-Functioning Autism
Kessler Foundation
NCT04773548
Acupressure and Acupuncture as an Intervention With Children With Autism II
Johns Hopkins University
NCT00935701
Propranolol for Challenging Behaviors in Autism
Rutgers, The State University of New Jersey
NCT04047355
A Feasibility Study of N-acetylcysteine for Self-injurious Behavior in Children With Autism Spectrum Disorder
Emory University
NCT03008889
Expanding Interventions for Automatically Maintained SIB
University of Georgia
NCT06739616
A Study to Evaluate ARD-501 in Patients With Autism Spectrum Disorder
Aardvark Therapeutics
NCT06126653
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 12 |
| Phase 2 | 37 |
| Phase 3 | 2 |
| Phase 4 | 2 |
Top Sponsors
Named interventions
Most-linked intervention names on Autism Spectrum Disorder records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Autism Spectrum 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 Autism Spectrum Disorder page
225 registered trials, 112 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 112 Autism Spectrum Disorder trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Stanford University sponsors the most Autism Spectrum Disorder trials on record, review their full trial history before evaluating a specific study. See Stanford 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 Autism Spectrum Disorder condition card totals 225 registered trials; most-linked intervention Placebo; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.