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Autism Spectrum Disorders clinical trials
Every US clinical trial registered for Autism Spectrum Disorders — phase mix, recruiting status, and the sponsors running them, straight from the NIH ClinicalTrials.gov registry.
21 US clinical trials · 1 currently recruiting
The research picture
Autism Spectrum Disorders has 21 registered US clinical trials, 1 of them open to new participants right now — about 5% of the total.
- 1
- recruiting participants now
- 5%
- of trials open to enrollment
- 0
- in Phase 3–4 (later-stage)
- 3
- top sponsor: Massachusetts General Hospital
Counts reflect the public ClinicalTrials.gov registry as last mirrored by PlainTrial. Status and phase are reported by each study's sponsor. This is reference information, not medical advice.
Active & Recent Trials
Water Competency Intervention in Autism
Ohio State University
NCT07076264
Phenotypic and Genetic Factors in Autism Spectrum Disorders
Boston Children's Hospital
NCT00910559
Project AFECT (Autism Family Empowerment Coaching and Training Program)
Stanford University
NCT05910502
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
Screening and Linkage to Services for Autism
University of Colorado, Denver
NCT02374541
Psychotherapy for Anxiety in Children With Autism Spectrum Disorder
University of South Florida
NCT02028247
Understanding Gastrointestinal Conditions in Children With Autism Spectrum Disorder (ASD)
Massachusetts General Hospital
NCT01675414
Improving Services and Outcomes for Children With Autism Spectrum Disorder (ASD)
Hugo W. Moser Research Institute at Kennedy Krieger
NCT01800539
The Role of Vasopressin in the Social Deficits of Autism
Stanford University
NCT01962870
Omega-3 Fatty Acids for Hyperactivity Treatment in Autism Spectrum Disorder
Hugo W. Moser Research Institute at Kennedy Krieger
NCT01694667
Pivotal Response Treatment for Children With Autism Spectrum Disorders
Yale University
NCT01908686
Brain Imaging Study of Adults With Autism Spectrum Disorders
National Institute of Mental Health (NIMH)
NCT01093768
Syracuse University Fit Families Program: Autism
Syracuse University
NCT02940899
Autism Spectrum Disorders (ASD) Characterization Study
Massachusetts General Hospital
NCT00801554
Telehealth Coaching for Families of Children With Autism
University of Kansas Medical Center
NCT02928068
Acamprosate in Youth With Fragile X Syndrome
Indiana University
NCT01300923
Probiotics for Quality of Life in Autism Spectrum Disorders
Ohio State University
NCT02903030
Virtual Reality Social Cognition Training for Adults With Autism Spectrum Disorders
Yale University
NCT02139514
University of California, San Diego (UCSD) Suramin Autism Treatment-1 (SAT1) Trial
University of California, San Diego
NCT02508259
Pilot Study of Riluzole for Drug-Refractory Irritability in Autism Spectrum Disorders
Children's Hospital Medical Center, Cincinnati
NCT02081027
An Open-Label Trial of Oxytocin in Adolescents With Autism Spectrum Disorders
Massachusetts General Hospital
NCT01931033
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 4 |
| Phase 2 | 4 |
Top Sponsors
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Reading the Autism Spectrum Disorders Trial Landscape
ClinicalTrials.gov lists 21 US studies indexed under Autism Spectrum Disorders, and 1 of those are currently open to recruitment — roughly 5% of the total volume on the registry. That ratio is a useful proxy for activity level: a high share of recruiting studies often signals that research interest is current and that new enrollment opportunities are appearing, while a low share typically means the field is dominated by completed or follow-up work where most participant spots have already been filled. These counts reflect the public registry only and include studies at every stage of design, so they should be read as an index of research attention rather than as a measure of treatment availability.
The phase distribution for Autism Spectrum Disorders shows 0 late-stage studies (Phase 3 and Phase 4 combined) alongside 8 earlier-phase entries (Phase 1 through Phase 2). Phase 1 and Phase 2 studies focus on early safety signals, dosing, and preliminary effect, while Phase 3 studies are typically the larger efficacy and safety trials submitted toward regulatory review, and Phase 4 studies follow approved interventions in real-world use. A condition weighted toward later phases often reflects a mature research pipeline with several interventions already close to or past approval, whereas a heavier early-phase tilt suggests the field is still exploring new mechanisms and candidate approaches.
Top sponsor activity for Autism Spectrum Disorders is led by Massachusetts General Hospital with 3 indexed trials, alongside 9 other organizations in the top contributor list. The list on this page surfaces up to 21 of the most relevant recent and active entries, ordered with recruiting studies first so practical options are visible. All figures are derived from the public ClinicalTrials.gov dataset maintained by the National Library of Medicine and are reproduced here for reference. Inclusion of a trial, sponsor, or intervention on this page is neither an endorsement nor a recommendation — eligibility, protocol changes, and site-level status can shift frequently, so always verify current details on ClinicalTrials.gov and consult a qualified healthcare provider before acting on anything you see here.
Frequently Asked Questions
How many clinical trials are there for Autism Spectrum Disorders?
PlainTrial tracks 21 US clinical trials for Autism Spectrum Disorders, of which 1 are currently recruiting participants. Data sourced from ClinicalTrials.gov.
How do I find a recruiting trial for Autism Spectrum Disorders?
Use the trial list above filtered by "Recruiting" status, or visit our trial finder at /recruiting to search by condition and state. Always discuss trial participation with your healthcare provider before enrolling.
Is this data current?
Data is sourced from ClinicalTrials.gov and reflects our most recent data pull. Trial status may have changed since then. Always verify current information at ClinicalTrials.gov before making decisions about participation.
Related
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from ClinicalTrials.gov (National Library of Medicine). Consult a qualified professional before making decisions based on this data.
Read our methodology — how this data is sourced, computed, and verified.
Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2026 Trial counts and statuses sourced from ClinicalTrials.gov. Sponsor counts include both industry and federal/academic sponsors.