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Completed Phase 3 Interventional

Safety & Efficacy Study of Quetiapine Fumarate (SEROQUEL®) vs. Placebo in Generalized Anxiety Disorder

ClinicalTrials.gov ID: NCT00329264

Public ClinicalTrials.gov record NCT00329264. 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 Oct 28, 2026, 3:56 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 Multicenter, Randomized, Double-Blind, Parallel-Group, Placebo-Controlled Study of the Efficacy and Safety of Sustained-Release Quetiapine Fumarate (SEROQUEL®) Compared With Placebo in the Treatment of Generalized Anxiety Disorder

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to demonstrate that quetiapine SR (SEROQUEL®) is efficacious and safe in the acute treatment of patients with Generalized Anxiety 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
NCT00329264
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
AstraZeneca
Industry
Enrollment
876 participants

Conditions and interventions

Interventions

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 2006 (Type not available)
Primary completion
Not listed
Completion
Aug 2007 (Actual)
Last update posted
Mar 25, 2009

2006 – 2007

United States locations

U.S. sites
58
U.S. states
32
U.S. cities
58
Facility City State ZIP Site status
Research Site Springdale Arizona — —
Research Site Little Rock Arkansas — —
Research Site Encino California — —
Research Site Newport Beach California — —
Research Site Oceanside California — —
Research Site Redlands California — —
Research Site Santa Ana California — —
Research Site Denver Colorado — —
Research Site Norwich Connecticut — —
Research Site Washington D.C. District of Columbia — —
Research Site Fort Walton Beach Florida — —
Research Site Gainsville Florida — —
Research Site Hialeah Florida — —
Research Site Jacksonville Florida — —
Research Site Miami Florida — —
Research Site Orlando Florida — —
Research Site Tampa Florida — —
Research Site Winter Park Florida — —
Research Site Atlanta Georgia — —
Research Site Smyrna Georgia — —
Research Site Eagle Idaho — —
Research Site Chicago Illinois — —
Research Site Oak Brook Illinois — —
Research Site Indianapolis Indiana — —
Research Site Topeka Kansas — —
Research Site New Orleans Louisiana — —
Research SIte Fall River Massachusetts — —
Research Site Farmington Hills Michigan — —
Research Site Ridgeland Mississippi — —
Research Site St Louis Missouri — —
Research Site Las Vegas Nevada — —
Research Site Cherry Hill New Jersey — —
Research Site Clementon New Jersey — —
Research Site Brooklyn New York — —
Research Site New York New York — —
Research Site Rochester New York — —
Research Site Staten Island New York — —
Research Site Charlotte North Carolina — —
Research Site Durham North Carolina — —
Research Site Cincinnati Ohio — —
Research Site Toledo Ohio — —
Research Site Oklahoma City Oklahoma — —
Research Site Tulsa Oklahoma — —
Research Site Portland Oregon — —
Research Site Allentown Pennsylvania — —
Research Site Norristown Pennsylvania — —
Research Site Lincoln Rhode Island — —
Research Site Memphis Tennessee — —
Research Site Austin Texas — —
Research Site Dallas Texas — —
Research Site Friendswood Texas — —
Research Site San Antonio Texas — —
Research Site Woodstock Vermont — —
Research Site Herndon Virginia — —
Research Site Midlothian Virginia — —
Research Site Bellevue Washington — —
Research Site Seattle Washington — —
Research Site Charleston 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 NCT00329264, 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 25, 2009 · Synced Oct 28, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00329264 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →