Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 3 Interventional Results available

Efficacy Study of OPC-34712 in Adults With Acute Schizophrenia

ClinicalTrials.gov ID: NCT01393613

Public ClinicalTrials.gov record NCT01393613. 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 May 16, 2026, 4:47 AM 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 Phase 3, Multicenter, Randomized, Double-blind, Placebo-controlled Trial of Fixed-dose OPC-34712 in the Treatment of Adults With Acute Schizophrenia

Study identification

NCT ID
NCT01393613
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Enrollment
674 participants

Conditions and interventions

Interventions

  • OPC-34712 Drug
  • Placebo Drug

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
Jun 30, 2011
Primary completion
Jan 31, 2014
Completion
Jan 31, 2014
Last update posted
Nov 25, 2015

2011 – 2014

United States locations

U.S. sites
19
U.S. states
10
U.S. cities
18
Facility City State ZIP Site status
Not listed Little Rock Arkansas 72201
Not listed Springdale Arkansas 72764
Not listed Escondido California 92025
Not listed Long Beach California 90813
Not listed Orange California 92868
Not listed Pico Rivera California 90660
Not listed San Diego California 92102
Not listed North Miami Florida 33161
Not listed North Miami Florida 33162
Not listed Overland Park Kansas 66212
Not listed Lake Charles Louisiana 70629
Not listed Shreveport Louisiana 71104
Not listed Flowood Mississippi 39232
Not listed St Louis Missouri 63118
Not listed Buffalo New York 14215
Not listed Memphis Tennessee 38119
Not listed Austin Texas 78756
Not listed Dallas Texas 75243
Not listed Houston Texas 77007

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 41 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01393613, 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 Nov 25, 2015 · Synced May 16, 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 protocol, eligibility criteria, and contact information for NCT01393613 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →