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NCT00326105 · ClinicalTrials.gov registry record · Phase 3
Efficacy and Safety of Quetiapine Fumarate Sustained Release (SEROQUEL SR) in Combination With an Antidepressant in the Treatment of Major Depressive Disorders
A Phase 3 study, sponsored by AstraZeneca.
- Completed
- Registry status
- Phase 3
- Development phase
- 450
- Enrollment target
NCT00326105: Completed Phase 3 study, sponsored by AstraZeneca.
NCT00326105 is a Phase 3 study that has completed, run by AstraZeneca. The registered enrollment target is 450 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (42% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00326105, a Phase 3 study, has completed, sponsored by AstraZeneca.
- COMPLETED
- Registry status
- Phase 3
- Development phase
- 450 participants
- Enrollment target
Study Summary
The purpose of this study is to evaluate the efficacy of quetiapine SR in combination with an antidepressant versus an antidepressant alone in patients with MDD with inadequate response to an antidepressant treatment. PLEASE NOTE: Seroquel SR and Seroquel XR refer to the same formulation. The SR designation was changed to XR after consultation with FDA.
Interventions
- DRUG Quetiapine fumarate
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 450 participants |
| Start Date | 2006-04 |
| Est. Completion | 2007-07 |
| Phase | Phase 3 |
What the finished NCT00326105 record still lists
NCT00326105 is an interventional study that assigns participants to a tested intervention. The registered 450 participants enrollment target is mid-sized for trials with a published cap, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (42% lower).
The record links to 0 conditions, and to 1 intervention - of which Quetiapine fumarate is the first listed.
NCT00326105 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00326105 about?
NCT00326105 is a clinical study titled "Efficacy and Safety of Quetiapine Fumarate Sustained Release (SEROQUEL SR) in Combination With an Antidepressant in the Treatment of Major Depressive Disorders". The purpose of this study is to evaluate the efficacy of quetiapine SR in combination with an antidepressant versus an antidepressant alone in patients with MDD with inadequate response to an antidepressant treatment. PLEASE NOTE: Seroquel SR and Seroquel XR refer to the same formulation. The SR de...
What is the current status of trial NCT00326105?
This trial is currently completed. It is a Phase 3 study. The enrollment target is 450 participants. The study started on 2006-04. Estimated completion is 2007-07.
What interventions are being tested in trial NCT00326105?
The interventions under investigation include: Quetiapine fumarate (DRUG).
Who is sponsoring clinical trial NCT00326105?
This trial is sponsored by AstraZeneca, which has 1,285 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00326105's enrollment target sits among peer trials
450 837th of 2000 higher than 1,137 of 2,000 other Phase 3 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 3 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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