Asperger Syndrome clinical trials

The registry lists 83 studies for Asperger Syndrome across more than 10 countries. 9 are recruiting or about to start. 14 of them are mainly about Asperger Syndrome (how this is decided). Per ClinicalTrials.gov, last updated 2026-11-05.

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Status

Completed: 58
Recruiting: 6
Active, not recruiting: 5
Terminated: 5
Status unknown: 3
Withdrawn: 3

Phase

Phase 2: 20
Phase 4: 6
Phase 1: 5
Phase 3: 4

Where

United States: 70
France: 4
Italy: 4
Ukraine: 4
Serbia: 3
South Africa: 3

Who runs them

University of South Florida (6) · Massachusetts General Hospital (4) · Yale University (4) · Boston Children's Hospital (3) · National Institute of Mental Health (NIMH) (3) · Forest Laboratories (3) · University of Pennsylvania (2) · New York State Psychiatric Institute (2)

What is being tested here

Drugs under test in Asperger Syndrome studies, those with the most open studies first. Medicines only given beside them are not counted. How drugs are counted

Drug	Phase 3	All
Memantine	0	4
Aripiprazole	0	3
Guanfacine	0	1
Milnacipran	0	1
Oxytocin	0	1
Mirtazapine	1	1
Acetylcysteine	0	1
Lurasidone	0	1
Citalopram	0	1
Cycloserine	1	1

Drug classes tested here Antipsychotics 5

Coming up

0phase 3 studies under way

3studies finish main data collection within a year

Studies recruiting or running, from their records. “Main data collection” ends at the primary completion date, the sponsor’s own estimate, which often moves.

All 3

Dec 2026Mitochondrial Dysfunction in Autism Spectrum Disorder · University of Arkansas
Apr 2027Recovery in Telling Life Stories · University of Aarhus
May 2027Alpha Auditory Entrainment for Cognitive Enhancement and Sensory Hypersensitivity in Youth With Developmental Disorders · Children's Hospital Medical Center, Cincinnati

Who these studies take

Of the 6 Asperger Syndrome studies recruiting now, 1 (17%) set no upper age limit and 5 (83%) stop at 75 or younger. 4 (67%) take children under 18. 0 (0%) are for women only and 0 (0%) for men only; 2 (33%) take healthy volunteers.

Recruiting studies that take each age, of 6
Age	Women	Men
10	3 (50%)	3 (50%)
18	5 (83%)	5 (83%)
30	3 (50%)	3 (50%)
40	2 (33%)	2 (33%)
50	1 (17%)	1 (17%)
65	1 (17%)	1 (17%)
75	1 (17%)	1 (17%)
85	1 (17%)	1 (17%)

Across all 83 studies, recruiting or not: 83% stop at 75 or younger and 83% at 65; 78% take children; 0% are for women only and 2% for men only; 34% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.

Studies

Recruiting first, then most recently updated. Showing 50 of 83. Browse all 83 → or search them.