Aripiprazole Used as Dual Therapy in the Treatement of Patients With Chronic Stable Schizophrenia or Schizoaffective Disorder.
Public ClinicalTrials.gov record NCT00325689. 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.
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, 16 Week Study of Aripiprazole Used as Dual Therapy in the Treatment of Patients With Chronic Stable Schizophrenia or Schizoaffective Disorder Demonstrating an Inadequate Response to Quetiapine or Risperidone Monotherapy.
Study identification
- NCT ID
- NCT00325689
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Lead sponsor
- Otsuka Pharmaceutical Development & Commercialization, Inc.
- Industry
- Enrollment
- 323 participants
Conditions and interventions
Conditions
Interventions
- Quetiapine or Risperidone + Aripiprazole Drug
- Quetiapine or Risperidone + placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years and older
- 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, 2006
- Primary completion
- Sep 30, 2007
- Completion
- Sep 30, 2007
- Last update posted
- Nov 7, 2013
2006 – 2007
United States locations
- U.S. sites
- 48
- U.S. states
- 20
- U.S. cities
- 40
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| K & S Professional Research Services, Llc | Little Rock | Arkansas | 72201 | — |
| Comprehensive Neuroscience, Inc. | Cerritos | California | 90703 | — |
| Atp Clinical Research, Inc. | Costa Mesa | California | 92626 | — |
| Collaborative Neuroscience Network, Inc. | Garden Grove | California | 92845 | — |
| San Fernando Mental Health Center | Granada Hills | California | 91344 | — |
| Uci Medical Center | Orange | California | 92868 | — |
| California Clinical Trials Medical Group | Paramount | California | 90723 | — |
| California Clinical Trials | San Diego | California | 92123 | — |
| Sharp Mesa Vista Hospital | San Diego | California | 92123 | — |
| California Neuropsychopharmacology Clinical Research Inst. | San Diego | California | 92126 | — |
| Schuster Medical Research Institute | Sherman Oaks | California | 91403 | — |
| Department Of Psychiatry And Behavioral Sciences | Stanford | California | 94305 | — |
| Pacific Clinical Research Medical Group | Upland | California | 91786 | — |
| University Of Colorado At Denver And Health Sciences Center | Denver | Colorado | 80220 | — |
| Institute Of Living | Hartford | Connecticut | 06106 | — |
| Behavioral Clinical Research, Inc | North Miami | Florida | 33161 | — |
| Uptown Research Institute, Llc | Chicago | Illinois | 60640 | — |
| Alexian Center For Psychiatric Research | Hoffman Estates | Illinois | 60194 | — |
| Indiana University School Of Medicine | Indianapolis | Indiana | 46202 | — |
| Lsu Health Sciences Center | Shreveport | Louisiana | 71103 | — |
| J. Gary Booker, Md | Shreveport | Louisiana | 71104 | — |
| Sheppard Pratt Health System | Baltimore | Maryland | 21285 | — |
| North Suffolk Mental Health Association | Boston | Massachusetts | 02114 | — |
| Community Counseling Of Bristol County, Inc. (Ccbc) | Taunton | Massachusetts | 02780 | — |
| University Of Minnesota | Minneapolis | Minnesota | 55454 | — |
| Precise Research Centers | Flowood | Mississippi | 39232 | — |
| Cri Worldwide, Llc | Clementon | New Jersey | 08021 | — |
| Neurobehavioral Research, Inc. | Cedarhurst | New York | 11516 | — |
| Advanced Bio-Behavioral Sciences | Elmsford | New York | 10523 | — |
| The Zucker Hillside Hospital | Glen Oaks | New York | 11004 | — |
| New York State Psychiatric Institute | New York | New York | 10032 | — |
| Manhattan Psychiatric Center | New York | New York | 10035 | — |
| Strong Ties Community Support Program | Rochester | New York | 14623 | — |
| Behavioral Medical Research Of Staten Island | Staten Island | New York | 10305 | — |
| Richmond Behavioral Associates | Staten Island | New York | 10312 | — |
| Duke University Health System | Durham | North Carolina | 27710 | — |
| Saroj B. Brar, M.D., Inc. | Cleveland | Ohio | 44113 | — |
| Midwest Clinical Research Center | Dayton | Ohio | 45408 | — |
| Department Of Veterans Affairs Medical Center | Coatesville | Pennsylvania | 19320 | — |
| Suburban Research Associates | Media | Pennsylvania | 19063 | — |
| Va Medical Center (116a) | Philadelphia | Pennsylvania | 19104 | — |
| Thomas Jefferson University | Philadelphia | Pennsylvania | 19107 | — |
| Belmont Center For Comprehensive Treatment | Philadelphia | Pennsylvania | 19131 | — |
| Cri Worldwide, Llc | Philadelphia | Pennsylvania | 19149 | — |
| Vanderbilt University Medical Center | Nashville | Tennessee | 37212 | — |
| Medlabs Research Of Houston, Inc. | Houston | Texas | 77057 | — |
| University Of Texas Health Science Center At San Antonio | San Antonio | Texas | 78229 | — |
| Va Puget Sound Health Care System | Tacoma | Washington | 98493 | — |
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 NCT00325689, 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 7, 2013 · Synced Jul 21, 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 NCT00325689 live on ClinicalTrials.gov.