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Schizotypal Personality Disorder clinical trials

The registry lists 49 studies for Schizotypal Personality Disorder across more than 10 countries. 12 are recruiting or about to start. 27 of them are mainly about Schizotypal Personality Disorder (how this is decided). Per ClinicalTrials.gov, last updated 2026-10-14.

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Status

Completed
23
Recruiting
9
Status unknown
6
Terminated
5
Active, not recruiting
2
Not yet recruiting
2

Phase

Phase 2
6
Phase 1
3
Early Phase 1
1
Phase 4
1
Phase 3
1

Where

United States
20
Denmark
9
France
4
Italy
3
Canada
2
Germany
2

Who runs them

Mental Health Centre Copenhagen, Bispebjerg and Frederiksberg Hospital (3) · Northwell Health (3) · Icahn School of Medicine at Mount Sinai (3) · University Hospital, Brest (2) · Tages Onlus (2) · King's College London (2) · University of California, Los Angeles (2) · Centre Psychothérapique de Nancy (2)

What is being tested here

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

DrugOpenPhase 3All
Acetylcysteine112
Risperidone003
Dihydrexidine002
Guanfacine002
Diazepam001
Levodopa001
Benserazide001
Oxytocin001
Aripiprazole001
Pergolide001

Drug classes tested here Antipsychotics 4 · Dopamine agonists 3

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

Who these studies take

Of the 9 Schizotypal Personality Disorder studies recruiting now, 1 (11%) set no upper age limit and 8 (89%) stop at 75 or younger. 5 (56%) take children under 18. 0 (0%) are for women only and 0 (0%) for men only; 2 (22%) take healthy volunteers.

Recruiting studies that take each age, of 9
AgeWomenMen
100 (0%)0 (0%)
189 (100%)9 (100%)
308 (89%)8 (89%)
404 (44%)4 (44%)
503 (33%)3 (33%)
652 (22%)2 (22%)
751 (11%)1 (11%)
851 (11%)1 (11%)

Across all 49 studies, recruiting or not: 90% stop at 75 or younger and 88% at 65; 33% take children; 2% are for women only and 2% for men only; 27% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.

How long Schizotypal Personality Disorder studies take

Of 20 interventional studies with no phase under Schizotypal Personality Disorder, half reached primary completion within 44 months of starting, counting those still running.

Start to primary completionEvery sponsorIndustryNon-industry
Interventional, no phase44 mo14–59 · 20 studies——

Each figure is the month by which half the studies had reached primary completion, with the range in which the middle half did. Studies still running count until their last registry update; studies that stopped early are left out. Phase 1 includes early phase 1; observational means prospective or not stated, as retrospective and cross-sectional studies date a window of data rather than a study. How these figures are worked out

Studies

Recruiting first, then most recently updated. Showing 49 of 49. search them.