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Completed Phase 3 Interventional

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

ClinicalTrials.gov ID: NCT00329446

Public ClinicalTrials.gov record NCT00329446. 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 May 8, 2026, 12:29 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, Active-Controlled Study of the Efficacy and Safety of Sustained-Release Quetiapine Fumarate (SEROQUEL®) Compared With Placebo in the Treatment of Generalized Anxiety Disorder

Study identification

NCT ID
NCT00329446
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
AstraZeneca
Industry
Enrollment
800 participants

Conditions and interventions

Interventions

  • Escitalopram oxylate 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
Aug 31, 2007
Last update posted
Mar 24, 2009

2006 – 2007

United States locations

U.S. sites
63
U.S. states
32
U.S. cities
63
Facility City State ZIP Site status
Research Site Birmingham Alabama
Research Site Scottsdale Arizona
Research Site Little Rock Arkansas
Research Site Beverly Hills California
Research Site Burbank California
Research Site La Mesa California
Research Site Orange California
Research Site Pasadena California
Research Site San Diego California
Research Site Sherman Oaks California
Research Site Upland California
Research Site Wildomar California
Research Site New Britain Connecticut
Research Site Washington D.C. District of Columbia
Research Site Boca Raton Florida
Research Site Bradenton Florida
Research Site DeLand Florida
Research Site Fort Lauderdale Florida
Research Site Fort Myers Florida
Research Site Jacksonville Florida
Research Site Maitland Florida
Research Site Miami Florida
Research Site Orlando Florida
Research Site Tampa Florida
Research Site West Palm Beach Florida
Research Site Edwardsville Illinois
Research Site Merrillville Indiana
Research Site Terre Haute Indiana
Research Site Newton Kansas
Research Site Prairie Village Kansas
Research Site Owensboro Kentucky
Research Site Lake Charles Louisiana
Research Site Baltimore Maryland
Research Site Boston Massachusetts
Research Site Haverhill Massachusetts
Research Site Okemos Michigan
Research Site Saint Paul Minnesota
Research Site St Louis Missouri
Research Site Kenilworth New Jersey
Research Site Princeton New Jersey
Research Site Toms River New Jersey
Research Site Albuquerque New Mexico
Research Site New York New York
Research Site Chapel Hill North Carolina
Research Site Cleveland Ohio
Research Site Dayton Ohio
Research Site Toledo Ohio
Research Site Oklahoma City Oklahoma
Research Site Eugene Oregon
Research Site Salem Oregon
Research Site Allentown Pennsylvania
Research Site Philadelphia Pennsylvania
Research Site Columbia South Carolina
Research Site Memphis Tennessee
Research Site Nashville Tennessee
Research Site Dallas Texas
Research Site Houston Texas
Research Site San Antonio Texas
Research Site Salt Lake City Utah
Research Site Richmond Virginia
Research Site Kirkland Washington
Research Site Spokane 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 NCT00329446, 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 May 8, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00329446 live on ClinicalTrials.gov.

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