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NCT00635700 · ClinicalTrials.gov registry record · Phase 2
Ziprasidone in the Psychosis Prodrome
A Phase 2 study, sponsored by Yale University.
- Completed
- Registry status
- Phase 2
- Development phase
- 51
- Enrollment target
NCT00635700: Completed Phase 2 study, sponsored by Yale University.
NCT00635700 is a Phase 2 study that has completed, run by Yale University. The registered enrollment target is 51 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (62% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00635700, a Phase 2 study, has completed, sponsored by Yale University.
- COMPLETED
- Registry status
- Phase 2
- Development phase
- 51 participants
- Enrollment target
Study Summary
This study aims to determine whether ziprasidone is superior to placebo over 24 weeks for patients with the psychosis prodrome.
Primary Outcome
Conversion to psychosis according to the Structured Interview for Psychosis-risk Syndromes (SIPS) require psychotic symptom severity ratings in the frankly psychotic range, along with meeting persistence or urgency criteria.
Interventions
- DRUG placebo
- DRUG ziprasidone
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 51 participants |
| Start Date | 2008-03 |
| Est. Completion | 2012-11 |
| Phase | Phase 2 |
What the finished NCT00635700 record still lists
NCT00635700 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 51 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (62% lower).
The record links to 0 conditions, and to 2 interventions - of which placebo is the first listed.
NCT00635700 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00635700 about?
NCT00635700 is a clinical study titled "Ziprasidone in the Psychosis Prodrome". This study aims to determine whether ziprasidone is superior to placebo over 24 weeks for patients with the psychosis prodrome.
What is the current status of trial NCT00635700?
This trial is currently completed. It is a Phase 2 study. The enrollment target is 51 participants. The study started on 2008-03. Estimated completion is 2012-11.
What interventions are being tested in trial NCT00635700?
The interventions under investigation include: placebo (DRUG), ziprasidone (DRUG).
Who is sponsoring clinical trial NCT00635700?
This trial is sponsored by Yale University, which has 1,492 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00635700's enrollment target sits among peer trials
51 1190th of 2000 higher than 806 of 2,000 other Phase 2 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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