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Completed Phase 2 Interventional Results available

Study of Safety & Tolerability of OPC-34712 as Adjunctive Therapy in Treatment of Adult Patients With Major Depressive Disorder

ClinicalTrials.gov ID: NCT01447576

Public ClinicalTrials.gov record NCT01447576. 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 11, 2026, 9:14 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 Phase 2, Multicenter, Open-label Study to Assess the Safety and Tolerability of Oral OPC-34712 as Adjunctive Therapy in Adult Patients With Major Depressive Disorder

Study identification

NCT ID
NCT01447576
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Enrollment
1,036 participants

Conditions and interventions

Interventions

  • ADT Drug
  • OPC-34712 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
Aug 31, 2009
Primary completion
Nov 30, 2012
Completion
Nov 30, 2012
Last update posted
Nov 5, 2015

2009 – 2012

United States locations

U.S. sites
32
U.S. states
17
U.S. cities
31
Facility City State ZIP Site status
Pacific Clinical Research Medical Group Arcadia California 91007
Artemis Institute for Clinical Research San Diego California 92123
California Neuroscience Research Medical Group, Inc. Sherman Oaks California 91403
Gulfcoast Clinical Research Center Fort Myers Florida 33912
Clinical Neuroscience Solutions Jacksonville Florida 32216
Florida Clinical Research Center Maitland Florida 32751
Clinical Neurosciences Solutions Orlando Florida 32806
Stedman Clinical Trials Tampa Florida 33613
Carman Research Smyrna Georgia 30080
Goldpoint Clinical Research, LLC Indianapolis Indiana 46240
Pharmasite Research Baltimore Maryland 91208
Clinical Insights Glen Burnie Maryland 21061
Rochester Center for Behavioral Medicine Rochester Hills Michigan 48307
Center for Psychiatry and Behavioral Medicine, Inc. Las Vegas Nevada 89128
Center for Emotional Fitness Cherry Hill New Jersey 08002
Brooklyn Medical Institute Brooklyn New York 11214
Medical & Behavioral Health Research New York New York 10023
The Medical Research Network, LLC New York New York 10128
Finger Lakes Clinical Research Rochester New York 14618
Midwest Clinical Research Center Dayton Ohio 45417
Oregon Center for Clinical Investigations, Inc. Portland Oregon 97210
Oregon Center for Clinical Investigations Salem Oregon 97301
Carolina Clinical Research Services Columbia South Carolina 29201
FutureSearch Trials of Dallas Dallas Texas 75231
Bayou City Research, Ltd. Houston Texas 77007
Radiant Research Murray Utah 84123
Psychiatric Alliance of the Blue Ridge Charlottesville Virginia 22903
Neuroscience, Inc. Herndon Virginia 20170
Northwest Clinical Research Center Bellevue Washington 98007
Summit Research Network Seattle Washington 98104
Northbrooke Research Center Brown Deer Wisconsin 53223
Dean Foundation Middleton Wisconsin 53562

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01447576, 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 5, 2015 · Synced May 11, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01447576 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →