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ClinicalTrials.gov 5 recruiting now official registry

Asperger Syndrome clinical trials

5 of 10 indexed Asperger Syndrome trials are currently recruiting.

10 US clinical trials · 5 currently recruiting

Asperger Syndrome is the subject of 10 registered US clinical trials on ClinicalTrials.gov, 5 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is University of Pennsylvania, running 2 of these trials.

The research picture

Asperger Syndrome has 10 registered US clinical trials, 5 of them open to new participants right now, about 50% of the total.

5
recruiting participants now
50%
of trials open to enrollment
0
in Phase 3–4 (later-stage)
2
top sponsor: University of Pennsylvania
Phase 22

Active & Recent Trials

10 total, page 1 of 1

RECRUITING NA 188 participants

Telehealth Parent-Implemented Intervention for Young Children With Autism Spectrum Disorder (ASD)

Hugo W. Moser Research Institute at Kennedy Krieger

NCT05176808

RECRUITING NA 180 participants

Alpha Auditory Entrainment for Cognitive Enhancement and Sensory Hypersensitivity in Youth With Developmental Disorders

Children's Hospital Medical Center, Cincinnati

NCT06227780

RECRUITING 100 participants

Studies of Brain and Body Interaction

Rutgers University

NCT03672266

RECRUITING NA 67 participants

Transcranial Magnetic Stimulation for Restricted and Repetitive Behavior in ASD

Stanford University

NCT04532424

RECRUITING NA 40 participants

Randomized Clinical Trial of TUNE In 3.0: A Social/Emotional Program for Adults With Autism Spectrum Disorder

University of Pennsylvania

NCT06859918

ACTIVE NOT RECRUITING NA 65 participants

Behavior Therapy for Irritability in Autism

Yale University

NCT04654260

COMPLETED Phase 2 479 participants

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

COMPLETED NA 86 participants

Confirmatory Efficacy Trial of Cognitive Enhancement Therapy for Adult Autism Spectrum Disorder

University of Pittsburgh

NCT03170453

COMPLETED NA 44 participants

Services to Enhance Social Functioning in Adults With Autism Spectrum Disorders

University of Pennsylvania

NCT04788537

COMPLETED Phase 2 31 participants

A Study of Oral N-Acetylcysteine in Children With Autism Spectrum Disorders

Indiana University School of Medicine

NCT00453180

Phase Distribution

PhaseTrial count
Phase 2 2

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

Reading the Asperger Syndrome Trial Landscape

10 indexed Asperger Syndrome studies · 5 recruiting (50%).

Phase mix: 0 late (III/IV) vs 2 early (I/II).

Top sponsor: University of Pennsylvania (2 trials), 8 others listed. 10 shown below, recruiting first.

How to read this condition's trial landscape

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.

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.

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 Asperger Syndrome?

PlainTrial tracks 10 US clinical trials for Asperger Syndrome, of which 5 are currently recruiting participants. Data sourced from ClinicalTrials.gov.

How do I find a recruiting trial for Asperger Syndrome?

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.

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.

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.

Verify with NIH →

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This page aggregates every registered trial for this condition, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.