Efficacy and Safety Study of Seroquel SR in the Treatment of Major Depressive Disorder
Public ClinicalTrials.gov record NCT00388973. 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 Multi-Centre, Double-Blind, Randomised, Parallel-Group, Placebo-Controlled Phase III Study of the Efficacy and Safety of Quetiapine Fumarate Sustained Release (Seroquel SR) in the Treatment of Elderly Patients With Major Depressive Disorder
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The primary purpose of this study is to evaluate whether treatment with (SEROQUEL SR) quetiapine fumarate sustained release (SR) for 9 weeks compared to placebo will improve depressive symptoms in elderly patients with major depressive disorder. PLEASE NOTE: Seroquel SR and Seroquel XR refer to the same formulation. The SR designation was changed to XR after consultation with FDA.
Study identification
- NCT ID
- NCT00388973
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 338 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 66 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
- Sep 2006 (Type not available)
- Primary completion
- Dec 2007 (Actual)
- Completion
- Dec 2007 (Actual)
- Last update posted
- Apr 1, 2010
2006 – 2007
United States locations
- U.S. sites
- 13
- U.S. states
- 10
- U.S. cities
- 13
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Research Site | Birmingham | Alabama | — | — |
| Research Site | San Diego | California | — | — |
| Research Site | Fort Myers | Florida | — | — |
| Research Site | Gainsville | Florida | — | — |
| Research Site | Sarasota | Florida | — | — |
| Research Site | Roswell | Georgia | — | — |
| Research Site | Boston | Massachusetts | — | — |
| Research Site | Brooklyn | New York | — | — |
| Research Site | Eugene | Oregon | — | — |
| Research Site | Jenkintown | Pennsylvania | — | — |
| Research Site | Memphis | Tennessee | — | — |
| Research Site | Austin | Texas | — | — |
| Research Site | San Antonio | Texas | — | — |
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 30 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00388973, 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 Apr 1, 2010 · Synced Oct 23, 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 public registry record, listed eligibility criteria, and available contact information for NCT00388973 live on ClinicalTrials.gov.