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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 3 of 5
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
Effects of Multiple-Session Transcranial Direct Current Stimulation (tDCS) on Behavioral, Physiological, and Electrophysiological Measures With Adults With Autism Spectrum Disorder (ASD)
University of New Mexi
NCT06495684
Speech Treatment for Minimally Verbal Children With ASD and CAS
MGH Institute of Health Professions
NCT05066178
A Phase 2A Trial of MM402 for Autism Spectrum Disorder
Definium Therapeutics US
NCT07303907
Characterization of Dysmorphology in Subjects With Creatine Transporter Deficiency
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NCT05600946
Novel Adaptive Cognitive Training in Autistic Adults with Co-occurring Insomnia
University of South Florida
NCT06291298
Abnormal Connectivity Involving the Social Reciprocity Network in Autism and the Impact of Neurostimulation in Mitigating the Abnormalities
Christiana Care Health Services
NCT06807684
Behavior Analytic Support of Needle-related Hospital Visits for Autistic Patients
Boston Medical Center
NCT06712784
taVNS for Anxiety in ASD
Medical University of South Carolina
NCT06258590
Telehealth Intervention for Autism Spectrum Disorder
Thomas Jefferson University
NCT04832152
DDX3X Syndrome -The Seaver Autism Center for Research and Treatment is Characterizing DDX3X-related Neurodevelopmental Disorders Using Genetic, Medical, and Neuropsychological Measures.
Icahn School of Medicine at Mount Sinai
NCT03718910
Milieu Teaching-AV (MT-AV Pilot)
Vanderbilt University Medical Center
NCT06794476
Evaluating a Social and Communication Intervention for Preschoolers
Hugo W. Moser Research Institute at Kennedy Krieger
NCT01591707
Genome Environment Microbiome and Metabolome in Autism Study
Massachusetts General Hospital
NCT04271774
Autism ALERT Expansion
Oregon Health and Science University
NCT06246890
Trial of Autism Parent Navigator Program
Penn State University
NCT04744428
AIRB-4: Self-Determined Learning Model of Instruction
Health Resources and Services Administration (HRSA)
NCT04972851
Efficacy of the ASPEN Intervention Program in Low-Resource Communities
University of Texas at Austin
NCT04505488
AIR-B4: Mind the Gap
Health Resources and Services Administration (HRSA)
NCT04972825
Mitochondrial Dysfunction in Autism Spectrum Disorder
University of Arkansas
NCT02000284
AIR-B4: Remaking Recess (RR)
Health Resources and Services Administration (HRSA)
NCT04972838
Genetic Contributions to Autism Spectrum Disorders
Boston Children's Hospital
NCT01160783
Mapping the Genotype, Phenotype, and Natural History of Phelan-McDermid Syndrome
Boston Children's Hospital
NCT02461420
A Novel Framework for Impaired Imitation in ASD
Hugo W. Moser Research Institute at Kennedy Krieger
NCT03423160
Project AFECT (Autism Family Empowerment Coaching and Training Program)
Stanford University
NCT05910502
ML-004 in Adolescents and Adults With Autism Spectrum Disorders (ASD)
MapLight Therapeutics
NCT05081245
DOD Regulating Together Intervention
Children's Hospital Medical Center, Cincinnati
NCT05803369
PRISM Intervention Study
University of California, Los Angeles
NCT03883139
Transcranial Magnetic Stimulation on Neural and Behavioral Facets of Social Cognition in Autism Spectrum Disorder
Yale University
NCT04242355
RCT to Evaluate Social Skills in Children With Autism Using VR Technology (SoCaVR)
Floreo
NCT06453629
CASCADE: CAnnabidiol Study in Children With Autism Spectrum DisordEr
University of Colorado, Denver
NCT04520685
Evaluating the Impact of Telehealth-Based ASD Assessments and Supports on Child and Caregiver Outcomes
University of California, Davis
NCT04881656
Treatment to Improve Sleep in Caregivers With Insomnia and a Child With Autism
University of Pennsylvania
NCT05373537
Assessing the Gut Microbiome and Its Association With Pediatric Stress and Cognition
Nova Southeastern University
NCT06269614
A Center Based Study of Pivotal Response Treatment for Preschoolers With Autism
Stanford University
NCT03778827
Facing Your Fears: Adolescents With ASD and Intellectual Disability
University of Colorado, Denver
NCT05131425
Behavior Therapy for Irritability in Autism
Yale University
NCT04654260
Intervention-Induced Plasticity of Flexibility and Learning Mechanisms in ASD
Children's National Research Institute
NCT05131659
Microbiota Transplant Therapy for Children With Both Autism Spectrum Disorder and Gastrointestinal Disorders
Gut-Brain-Axis Therapeutics
NCT06503978
Developing a Culturally Adapted Intervention for Latino Youth Transitioning to Adulthood
The University of Texas Health Science Center, Houston
NCT06107972
Boosting Language Outcomes of Minimally Verbal Children With ASD (BLOOM)
University of California, Los Angeles
NCT04218331
Leucovorin for the Treatment of Language Impairment in Children With Autism Spectrum Disorder
Southwest Autism Research & Resource Center
NCT02839915
Testing a Family Service Navigator Program for Low-resourced Families of Young Children with Autism Spectrum Disorder
Vanderbilt University
NCT05099705
Microbiota Transfer Therapy for Adults With Autism Spectrum Disorder (ASD) Who Have Gastrointestinal Disorders
Arizona State University
NCT03408886
MTT for Children With ASD Who Have Gastrointestinal Disorders
Arizona State University
NCT04182633
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
Pilot Trial of Pregnenolone in Autism
Stanford University
NCT02627508
Melatonin and Sleep Spindles in Autism
Massachusetts General Hospital
NCT05716906
Theta Burst Stimulation for Refractory Depression in Autism Spectrum Disorder
Children's Hospital Medical Center, Cincinnati
NCT06670040
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.