Ziprasidone in the Psychosis Prodrome

ClinicalTrials.gov ID: NCT00635700

Public ClinicalTrials.gov record NCT00635700. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

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ClinicalTrials.gov public records Last synced Jul 21, 2026, 6:43 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Ziprasidone vs Placebo in the Prevention of Psychosis Among Symptomatic Adolescents and Young Adults at Prodromal Risk

Study identification

NCT ID: NCT00635700
Recruitment status: Completed
Study type: Interventional
Phase: Phase 2
Lead sponsor: Yale University; Other
Enrollment: 51 participants

Conditions and interventions

Conditions

Psychosis Prodrome

Interventions

ziprasidone Drug
placebo Drug

Drug

Eligibility (public fields only)

Age range: 16 Years to 40 Years
Sex: All
Healthy volunteers: Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date: Feb 29, 2008
Primary completion: Oct 31, 2012
Completion: Oct 31, 2012
Last update posted: Mar 26, 2023

2008 – 2012

United States locations

U.S. sites: 10
U.S. states: 7
U.S. cities: 10

Facility	City	State	ZIP	Site status
University of California at San Diego	La Jolla	California	92093	—
University of California at Los Angeles	Los Angeles	California	90095	—
University of California, San Francisco	San Francisco	California	94143	—
Yale University School of Medicine	New Haven	Connecticut	06519	—
Emory University	Atlanta	Georgia	30322	—
Beth Israel Deaconess Hospital	Boston	Massachusetts	02215	—
University of Massachusetts	Worcester	Massachusetts	01604	—
Wayne State University School of Medicine	Detroit	Michigan	48201	—
North Shore, Long Island Jewish Health System	Glen Oaks	New York	11004	—
University of North Carolina	Chapel Hill	North Carolina	27599	—

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 1 non-U.S. site.

About this trial record page

What this page shows: Public field values for ClinicalTrials.gov record NCT00635700, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do: No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from: Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh: Last update posted Mar 26, 2023 · Synced Jul 21, 2026

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00635700 live on ClinicalTrials.gov.

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