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Autism: early-phase trial registry
49 of 105 indexed Autism trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #125 of 28,707 conditions by registered trial count.
105 US clinical trials · 49 currently recruiting · #125 of 28,707 conditions by registered trial count
Autism: 105 US clinical trials tracked, 49 recruiting.
Autism is the subject of 105 registered US clinical trials on ClinicalTrials.gov, 49 of them currently open to new participants. 8 are in Phase 3-4 (later-stage) and 26 in Phase 1-2 (earlier-stage). The most active sponsor is Stanford University, running 16 of these trials.
Enrollment posture brief
Registry condition autism
OPEN 49 | RECR 47% | LATE 8 | EARLY 26 | RANK #125 | SPON 16
Volume-matched condition peers
Nearest open-share peer: Bipolar II Disorder (47% recruiting · 15 trials)
Autism lists 49 open slots (47% of 105 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 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 is recruiting above its size-band peers.
49 of 105 indexed trials (46.7%) 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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One sponsor concentrates Autism research.
Stanford University accounts for 16 of 105 trials (15.2%). 66 distinct sponsors appear on at least one study for this condition label.
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Most Autism trials plan to enrol fewer than 100 people.
Median target enrolment is 60 among the 105 trials that report a genuine target (sentinel values excluded). 64 of those (61%) plan for fewer than 100 participants.
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Autism research is mostly interventional.
92 interventional and 13 observational studies make up this index (87.6% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
105 total, page 2 of 3
Mitochondrial Dysfunction in Autism Spectrum Disorder
University of Arkansas
NCT02000284
Genetic Contributions to Autism Spectrum Disorders
Boston Children's Hospital
NCT01160783
Project AFECT (Autism Family Empowerment Coaching and Training Program)
Stanford University
NCT05910502
Developing Treatment, Treatment Validation and Treatment Scope in the Setting of an Autism Clinical Trial
Rutgers, The State University of New Jersey
NCT01260961
A Center Based Study of Pivotal Response Treatment for Preschoolers With Autism
Stanford University
NCT03778827
Sulforaphane in a New Jersey (NJ) Population of Individuals With Autism
Rutgers, The State University of New Jersey
NCT02677051
Trial of Cannabidiol to Treat Severe Behavior Problems in Children With Autism
University of California, San Diego
NCT04517799
The Effectiveness of an Autistic-delivered Peer-support Intervention for Autistic Adults: Community Autism Peer Specialist (CAPS) Program
Drexel University
NCT05702658
Pilot Trial of Pregnenolone in Autism
Stanford University
NCT02627508
Theta Burst Stimulation for Refractory Depression in Autism Spectrum Disorder
Children's Hospital Medical Center, Cincinnati
NCT06670040
Adapting BA for Minimally Verbal Autistic Adults
Rutgers, The State University of New Jersey
NCT06064422
Pediatric Open-Label Extension Study
Sumitomo Pharma America
NCT01914393
A Lead-in Study Evaluating Efficacy of GuessWhat Mobile App Therapy for Children With Autism
Stanford University
NCT04739982
Withdrawal Study of Memantine in Pediatric Patients With Autism, Asperger's Disorder, or Pervasive Developmental Disorder Not Otherwise Specified Previously Treated With Memantine
Forest Laboratories
NCT01592747
Predictors of Caregiver Adaptation to Pervasive Developmental Disorders
National Human Genome Research Institute (NHGRI)
NCT00496210
Exome Sequencing in Autistic Spectrum Disorder
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NCT01059201
Autism Intervention Research Network for Behavioral Health (AIR-B II): Deployment Into Elementary Schools
Health Resources and Services Administration (HRSA)
NCT01724047
Psychotherapy for Anxiety in Children With Autism Spectrum Disorder
University of South Florida
NCT02028247
Adaptive Interventions for Minimally Verbal Children With ASD in the Community
University of California, Los Angeles
NCT01751698
A Trial of CM-AT in Children With Autism
Curemark
NCT00881452
Cord Blood Infusion for Children With Autism Spectrum Disorder
Joanne Kurtzberg, MD
NCT02847182
hCT-MSC in Children With Autism Spectrum Disorder
Joanne Kurtzberg, MD
NCT04089579
Intensive Intervention for Toddlers With Autism (EARLY STEPS)
University of California, Davis
NCT00698997
Randomized Controlled Trial of the P.L.A.Y. (Play and Language for Autistic Youngsters) Project Intervention for Autism
Richard Solomon MD
NCT01768806
Open-label Study of Safety and Tolerability of Memantine in Children With Autism
Forest Laboratories
NCT01999894
A Study of the Effectiveness and Safety of Two Doses of Risperidone in the Treatment of Children and Adolescents With Autistic Disorder
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
NCT00576732
Show Me to Help Me
Akron Children's Hospital
NCT01311596
Study of Toddlers With Language Delay
National Institute of Mental Health (NIMH)
NCT01339767
Examination of Differential Valuation of Leisure Items and Attention as Reinforcers in Children With Autism
Emory University
NCT03152383
An Autism Study Using Nambudripad's Food Allergy Elimination Treatments
Nambudripad's Allergy Research Foundation
NCT00247156
A 12-Week Crossover Study to Assess the Efficacy, Safety and Tolerability of L1-79 in Subjects Aged 12-21 Years With Autism Spectrum Disorder
Yamo Pharmaceuticals
NCT05067582
Adapting an Advocacy Services Intervention for Latinx Families of Transition-aged Youth With Autism Spectrum Disorder
Vanderbilt University
NCT06207149
Randomized Study of Fluoxetine in Children and Adolescents With Autism
Icahn School of Medicine at Mount Sinai
NCT00004486
Cognitive-Behavioral Treatment for Anxiety Disorders in Children With Autism Spectrum Disorders
University of South Florida
NCT01178385
Services to Enhance Social Functioning in Adults With Autism Spectrum Disorders
University of Pennsylvania
NCT04788537
Sulforaphane-rich Broccoli Sprout Extract for Autism
Andrew Zimmerman
NCT01474993
Social Cognition and Interaction Training for Autism
University of North Carolina, Chapel Hill
NCT02382172
Risperidone Treatment In Children With Autism Spectrum Disorder And High Levels Of Repetitive Behavior
University of California, Los Angeles
NCT01171937
Transcranial Photobiomodulation Therapy for the Treatment of Autistic Traits in Children and Adolescents With ADHD
Massachusetts General Hospital
NCT04569058
Autologous Cord Blood Stem Cells for Autism
Sutter Health
NCT01638819
Divalproex Sodium vs. Placebo in Childhood/Adolescent Autism
Montefiore Medical Center
NCT00211757
Study of Paliperidone ER in Adolescents and Young Adults With Autism
Indiana University School of Medicine
NCT00549562
Methylphenidate for Attention Deficit Hyperactivity Disorder and Autism in Children
The University of Texas Health Science Center, Houston
NCT00178503
MENTIS Personal Health Record Rapid Pilot Research Deployment and Evaluation
Northeastern University
NCT02090491
In Vivo Imaging of Therapeutic Electric Current Flow
University of Florida
NCT02453763
Coaching Children With Anxiety and Autism Through Telehealth
Medical University of South Carolina
NCT05588570
A Pilot Study of Daytrana TM in Children With Autism Co-Morbid for Attention Deficit Hyperactivity Disorder (ADHD) Symptoms
University of Oklahoma
NCT00541346
Effect of Parenting With Positive Interven on Comm Inclusion for Military Connected and Dependents With Autism
Virginia Commonwealth University
NCT05580432
Testing a Novel Speech Intervention in Minimally Verbal Children With Autism Spectrum Disorder (ASD)
Beth Israel Deaconess Medical Center
NCT03015272
An Open-Label Trial of Aripiprazole in Autism Spectrum Disorders
Cambridge Health Alliance
NCT00308074
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 3 |
| Phase 2 | 23 |
| Phase 3 | 5 |
| Phase 4 | 3 |
Top Sponsors
Named interventions
Most-linked intervention names on Autism records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Autism 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 page
105 registered trials, 49 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 49 Autism trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Stanford University sponsors the most Autism 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 condition card totals 105 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.