Safety & Efficacy Study of Quetiapine Fumarate (SEROQUEL®) vs. Placebo and Active Control in Major Depressive Disorder
Public ClinicalTrials.gov record NCT00321490. 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, Double-Blind, Randomized, Parallel-Group, Placebo-Controlled and Active-Controlled Phase III Study of the Efficacy and Safety of Quetiapine Fumarate Sustained-Release (SEROQUEL®) as Monotherapy in the Treatment of Patients With MDD
Study identification
- NCT ID
- NCT00321490
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- AstraZeneca
- Industry
- Enrollment
- 600 participants
Conditions and interventions
Conditions
Interventions
- Duloxetine Drug
- Quetiapine fumarate 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
- Mar 31, 2006
- Primary completion
- Not listed
- Completion
- Apr 30, 2007
- Last update posted
- Mar 24, 2009
2006 – 2007
United States locations
- U.S. sites
- 34
- U.S. states
- 25
- U.S. cities
- 34
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Research Site | Birmingham | Alabama | — | — |
| Research Site | Scottsdale | Arizona | — | — |
| Research Site | Beverly Hills | California | — | — |
| Research Site | San Diego | California | — | — |
| Research Site | Sherman Oaks | California | — | — |
| Research Site | Wildomar | California | — | — |
| Research Site | Boca Raton | Florida | — | — |
| Research Site | Bradenton | Florida | — | — |
| Research Site | Jacksonville | Florida | — | — |
| Research Site | Orlando | Florida | — | — |
| Research Site | Tampa | Florida | — | — |
| Research Site | West Palm Beach | Florida | — | — |
| Research Site | Edwardsville | Illinois | — | — |
| Research Site | Lake Charles | Louisiana | — | — |
| Research Site | Baltimore | Maryland | — | — |
| Research Site | Haverhill | Massachusetts | — | — |
| Research Site | Okemos | Michigan | — | — |
| Research Site | Saint Paul | Minnesota | — | — |
| Research Site | St Louis | Missouri | — | — |
| Research Site | Princeton | New Jersey | — | — |
| Research Site | Albuquerque | New Mexico | — | — |
| Research Site | New York | New York | — | — |
| Research Site | Dayton | Ohio | — | — |
| Research Site | Mayfield Village | Ohio | — | — |
| Research Site | Oklahoma City | Oklahoma | — | — |
| Research Site | Salem | Oregon | — | — |
| Research Site | Philadelphia | Pennsylvania | — | — |
| Research Site | Columbia | South Carolina | — | — |
| Research Site | Memphis | Tennessee | — | — |
| Research Site | Houston | Texas | — | — |
| Research Site | Salt Lake City | Utah | — | — |
| Research Site | Richmond | Virginia | — | — |
| Research Site | Kirkland | Washington | — | — |
| Research Site | Morgantown | West Virginia | — | — |
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 NCT00321490, 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 Mar 24, 2009 · Synced Apr 29, 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 NCT00321490 live on ClinicalTrials.gov.