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Completed Phase 3 Interventional Results available

Relapse Prevention Study in Patients With Schizophrenia

ClinicalTrials.gov ID: NCT01291511

Public ClinicalTrials.gov record NCT01291511. 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.

ClinicalTrials.gov public records Last synced Oct 17, 2026, 11:27 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

A Multicenter, Randomized, Double-blind, Placebo-controlled, Parallel-group Study to Evaluate Prevention of Relapse in Patients With Schizophrenia Receiving Either Flexible Dose Iloperidone or Placebo in Long-term Use (up to 26 Weeks) Followed by up to 52 Weeks of Open-label Extension

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to determine whether Iloperidone is effective in the prevention of relapse in patients with schizophrenia

Study identification

NCT ID
NCT01291511
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Vanda Pharmaceuticals
Industry
Enrollment
635 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 65 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 2011 (Actual)
Primary completion
Mar 2014 (Actual)
Completion
Mar 2015 (Actual)
Last update posted
Jul 17, 2023

2011 – 2015

United States locations

U.S. sites
28
U.S. states
12
U.S. cities
25
Facility City State ZIP Site status
Vanda Investigative Site Anaheim California 92604 —
Vanda Investigative Site Bellflower California 92706 —
Vanda Investigative Site Costa Mesa California 92626 —
Vanda Investigative Site Escondido California 92025 —
Vanda Investigative Site La Habra California 90631 —
Vanda Investigative Site Oceanside California 92056 —
Vanda Investigative Site Orange California 92868 —
Vanda Investigative Site Pico Rivera California 90660 —
Vanda Investigative Site Riverside California 92506 —
Vanda Investigative Site San Diego California 92102 —
Vanda Investigative Site San Diego California 92103 —
Vanda Investigative Site San Diego California 92121 —
Vanda Investigative Site Santa Ana California 92705 —
Vanda Investigative Site Melbourne Florida 32901 —
Vanda Investigative Site Miami Florida 33126 —
Vanda Investigative Site Oakland Park Florida 33334 —
Vanda Investigative Site Atlanta Georgia 30308 —
Vanda Investigative Site Atlanta Georgia 30328 —
Vanda Investigative Site St Louis Missouri 63109 —
Vanda Investigative Site Nashua New Hampshire 03060 —
Vanda Investigative Site Marlton New Jersey 08053 —
Vanda Investigative Site Brooklyn New York 11235 —
Vanda Investigative Site Staten Island New York 10312 —
Vanda Investigative Site Hickory North Carolina 28601 —
Vanda Investigative Site Beachwood Ohio 44122 —
Vanda Investigative Site Philadelphia Pennsylvania 19139 —
Vanda Investigative Site Irving Texas 75062 —
Vanda Investigative Site Salt Lake City Utah 84106 —

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 35 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01291511, 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 Jul 17, 2023 · Synced Oct 17, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT01291511 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →