ClinicalTrials.gov record
Study of the Safety and Efficacy of OPC-34712 as Adjunctive Therapy in the Treatment of Patients With Major Depressive Disorder
ClinicalTrials.gov ID: NCT00797966
Public ClinicalTrials.gov record NCT00797966. 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 7, 2026, 9:04 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 2, Multicenter, Randomized, Double-blind, Placebo-controlled Study of the Safety and Efficacy of OPC-34712 as Adjunctive Therapy in the Treatment of Patients With Major Depressive Disorder
Study identification
- NCT ID
- NCT00797966
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Otsuka Pharmaceutical Development & Commercialization, Inc.
- Industry
- Enrollment
- 850 participants
Conditions and interventions
Conditions
Interventions
- ADT Drug
- 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
- Apr 30, 2009
- Primary completion
- May 31, 2010
- Completion
- Jun 30, 2010
- Last update posted
- Feb 28, 2016
2009 – 2010
United States locations
- U.S. sites
- 50
- U.S. states
- 20
- U.S. cities
- 46
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Pacific Clinical Research Medical Group | Arcadia | California | 91007 | — |
| Southwestern Research | Beverly Hills | California | 90210 | — |
| Synergy Escondido | Escondido | California | 92025 | — |
| Collaborative Neuroscience Network Inc. | Garden Grove | California | 92845 | — |
| Synergy Clinical Research Center | National City | California | 91950 | — |
| Excell Research | Oceanside | California | 92056 | — |
| Affiliated Research Institute | San Diego | California | 92108 | — |
| California Neuroscience Research Medical Group, Inc. | Sherman Oaks | California | 91403 | — |
| Radiant Research Center | Denver | Colorado | 80239 | — |
| Florida Clinical Research Center, LLC | Bradenton | Florida | 34208 | — |
| CNS Clinical Research Group | Coral Springs | Florida | 33065 | — |
| Gulfcoast Clinical Research Center | Fort Myers | Florida | 33912 | — |
| Clinical Neuroscience Solutions, Inc. | Jacksonville | Florida | 32216 | — |
| Accurate Clinical Trials | Kissimee | Florida | 34741 | — |
| Clinical Neurosciences Solutions | Orlando | Florida | 32806 | — |
| Stedman Clinical Trials | Tampa | Florida | 33613 | — |
| University of South Florida College of Medicine Psychiatry Center | Tampa | Florida | 33613 | — |
| Janus Center | West Palm Beach | Florida | 33407 | — |
| Carman Research | Smyrna | Georgia | 30080 | — |
| Uptown Research Institute | Chicago | Illinois | 60640 | — |
| Midwest Center for Neurobehavioral Medicine | Oakbrook Terrace | Illinois | 60181 | — |
| The Davis Clinic, PC | Indianapolis | Indiana | 46260 | — |
| Vince & Associates Clinical Research | Overland Park | Kansas | 66212 | — |
| Pharmasite Research, Inc. | Baltimore | Maryland | 21208 | — |
| Bioscience Research | Mount Kisco | New York | 10549 | — |
| Eastside Comprehensive Medical Center | New York | New York | 10021 | — |
| Medical & Behavioral Health Research, PC | New York | New York | 10023 | — |
| Finger Lakes Clinical Research | Rochester | New York | 14618 | — |
| Carolinas HealthCare - Behavioral Heath Center | Charlotte | North Carolina | 28211 | — |
| NorthCoast Clinical Trials, Inc | Beachwood | Ohio | 44122 | — |
| Neuro-Behavioral Clinical Research, Inc | Canton | Ohio | 44718 | — |
| Patient Priority Clinical Sites, LLC | Cinncinnati | Ohio | 45242 | — |
| Midwest Clinical Research Center | Dayton | Ohio | 45408 | — |
| NorthStar Medical Research, LLC | Middleburg Heights | Ohio | 44130 | — |
| Summitt Research Network (Oregon) | Portland | Oregon | 97210 | — |
| Suburban Research Associates | Media | Pennsylvania | 19063 | — |
| University of Pennsylvania | Philadelphia | Pennsylvania | 19104 | — |
| USC School of Medicine- Department of Neuropsychiatry and Behavioral Science | Columbia | South Carolina | 29203 | — |
| Clinical Neurosciences Solutions, Inc. | Memphis | Tennessee | 38119 | — |
| Community Clinical Research, Inc. | Austin | Texas | 78754 | — |
| FutureSearch Clinical Trials | Austin | Texas | 78756 | — |
| Radiant Research | Salt Lake City | Utah | 84107 | — |
| Mood Disorders Clinic | Salt Lake City | Utah | 84132 | — |
| Psychiatric Alliance of the Blue Ridge | Charlottesville | Virginia | 22903 | — |
| NeuroScience, Inc. | Herndon | Virginia | 20170 | — |
| Dominion Clinical Research | Midlothian | Virginia | 23112 | — |
| Northwest Clinical Research Center | Bellevue | Washington | 98007 | — |
| Summit Research Network (Seattle) LLC | Seattle | Washington | — | — |
| 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 NCT00797966, 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 Feb 28, 2016 · Synced May 7, 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 NCT00797966 live on ClinicalTrials.gov.