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Completed Phase 3 Interventional Results available

Efficacy and Safety of Azilsartan Medoxomil Co-Administered With Chlorthalidone in Participants With Essential Hypertension

ClinicalTrials.gov ID: NCT00591773

Public ClinicalTrials.gov record NCT00591773. 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 Jul 22, 2026, 8:43 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 Double-Blind, Randomized, Placebo-Controlled Study to Evaluate the Efficacy and Safety of TAK-491 When Co-administered With Chlorthalidone in Subjects With Essential Hypertension

Study identification

NCT ID
NCT00591773
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Takeda
Industry
Enrollment
551 participants

Conditions and interventions

Conditions

Interventions

  • Azilsartan medoxomil and chlorthalidone Drug
  • Chlorthalidone Drug

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
Aug 31, 2007
Primary completion
Feb 28, 2009
Completion
Feb 28, 2009
Last update posted
Apr 18, 2011

2007 – 2009

United States locations

U.S. sites
46
U.S. states
17
U.S. cities
46
Facility City State ZIP Site status
Not listed Huntsville Alabama
Not listed Montgomery Alabama
Not listed Buena Park California
Not listed Huntington Beach California
Not listed Long Beach California
Not listed Mission Viejo California
Not listed Roseville California
Not listed Sacramento California
Not listed Westlake Village California
Not listed Coral Gables Florida
Not listed DeLand Florida
Not listed Fort Lauderdale Florida
Not listed Hollywood Florida
Not listed Miami Florida
Not listed Auburn Maine
Not listed Bingham Farms Michigan
Not listed Troy Michigan
Not listed Charlotte North Carolina
Not listed Huntersville North Carolina
Not listed Shelby North Carolina
Not listed Akron Ohio
Not listed Centerville Ohio
Not listed Cincinnati Ohio
Not listed Willoughby Hills Ohio
Not listed Zanesville Ohio
Not listed Norman Oklahoma
Not listed Oklahoma City Oklahoma
Not listed Eugene Oregon
Not listed Portland Oregon
Not listed Tualatin Oregon
Not listed Bensalem Pennsylvania
Not listed Feasterville Pennsylvania
Not listed Cranston Rhode Island
Not listed Simpsonville South Carolina
Not listed Kingsport Tennessee
Not listed Corpus Christi Texas
Not listed Houston Texas
Not listed Pearland Texas
Not listed San Antonio Texas
Not listed Salt Lake City Utah
Not listed Arlington Virginia
Not listed Burke Virginia
Not listed Richmond Virginia
Not listed Lakewood Washington
Not listed Olympia Washington
Not listed Port Orchard Washington

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 NCT00591773, 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 18, 2011 · Synced Jul 22, 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 protocol, eligibility criteria, and contact information for NCT00591773 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →