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Completed Phase 3 Interventional Results available

Pregabalin in the Treatment of Patients With Generalized Anxiety Disorder (GAD).

ClinicalTrials.gov ID: NCT00413010

Public ClinicalTrials.gov record NCT00413010. 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 26, 2026, 11:41 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

An 8-Week, Double-Blind, Placebo-Controlled, Phase 3 Trial of Pregabalin (150-600 mg/Day) in the Adjunctive Treatment of Patients With Generalized Anxiety Disorder (GAD) Who Have Not Optimally Responded to Existing Therapies(GAD)

Brief summary

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

The primary objective of this study is to evaluate the efficacy of pregabalin as compared to placebo in the treatment of patients with general anxiety disorder (GAD). Efficacy will be measured by the improvement in the total Hamilton Anxiety Rating Scale (HAM-A) scores from baseline observed following 8 weeks of double-blind treatment or at earlier termination during the double-blind treatment phase and analyzed using a mixed linear model for repeated measures.

Study identification

NCT ID
NCT00413010
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Enrollment
356 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 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
Dec 2006 (Type not available)
Primary completion
Feb 2008 (Actual)
Completion
Mar 2008 (Actual)
Last update posted
Feb 10, 2021

2006 – 2008

United States locations

U.S. sites
35
U.S. states
19
U.S. cities
31
Facility City State ZIP Site status
Pfizer Investigational Site Arcadia California 91007-3462 —
Pfizer Investigational Site Burbank California 91506 —
Pfizer Investigational Site Redlands California 92374 —
Pfizer Investigational Site Sherman Oaks California 91403 —
Pfizer Investigational Site Norwich Connecticut 06360 —
Pfizer Investigational Site Destin Florida 32541 —
Pfizer Investigational Site Fort Walton Beach Florida 32547 —
Pfizer Investigational Site Miami Florida 33143 —
Pfizer Investigational Site South Miami Florida 33143 —
Pfizer Investigational Site Overland Park Kansas 66212 —
Pfizer Investigational Site Wichita Kansas 67207 —
Pfizer Investigational Site Shreveport Louisiana 71101 —
Pfizer Investigational Site Shreveport Louisiana 71104 —
Pfizer Investigational Site Baltimore Maryland 21208 —
Pfizer Investigational Site Boston Massachusetts 02114 —
Pfizer Investigational Site Olive Branch Mississippi 38654 —
Pfizer Investigational Site Saint Charles Missouri 63301 —
Pfizer Investigational Site Omaha Nebraska 68131 —
Pfizer Investigational Site Clementon New Jersey 08021 —
Pfizer Investigational Site Albuquerque New Mexico 87102 —
Pfizer Investigational Site New York New York 10128-1708 —
Pfizer Investigational Site Beachwood Ohio 44122 —
Pfizer Investigational Site Cincinnati Ohio 45227 —
Pfizer Investigational Site Cleveland Ohio 44109-1998 —
Pfizer Investigational Site Bala-Cynwyd Pennsylvania 19004 —
Pfizer Investigational Site Media Pennsylvania 19063 —
Pfizer Investigational Site Philadelphia Pennsylvania 19104-3309 —
Pfizer Investigational Site Philadelphia Pennsylvania 19136 —
Pfizer Investigational Site Columbia South Carolina 29201 —
Pfizer Investigational Site Memphis Tennessee 38117 —
Pfizer Investigational Site Memphis Tennessee 38133 —
Pfizer Investigational Site Houston Texas 77008 —
Pfizer Investigational Site Houston Texas 77074 —
Pfizer Investigational Site Lake Jackson Texas 77566 —
Pfizer Investigational Site Waukesha Wisconsin 53188-1660 —

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 33 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00413010, 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 Feb 10, 2021 · Synced Oct 26, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00413010 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →