Efficacy and Safety Comparison of Azilsartan Medoxomil to Valsartan in Participants With Essential Hypertension
Public ClinicalTrials.gov record NCT00591578. 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.
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, Parallel-Group Study to Compare the Efficacy and Safety of TAK-491 With Valsartan in Subjects With Essential Hypertension
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to compare the efficacy and safety of TAK-491 (azilsartan medoxomil), once daily (QD), to valsartan in participants with essential hypertension.
Study identification
- NCT ID
- NCT00591578
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 984 participants
Conditions and interventions
Conditions
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 2007 (Type not available)
- Primary completion
- Sep 2009 (Actual)
- Completion
- Mar 2010 (Actual)
- Last update posted
- Feb 2, 2012
2007 – 2010
United States locations
- U.S. sites
- 77
- U.S. states
- 27
- U.S. cities
- 77
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Huntsville | Alabama | — | — |
| Not listed | Glendale | Arizona | — | — |
| Not listed | Phoenix | Arizona | — | — |
| Not listed | Scottsdale | Arizona | — | — |
| Not listed | Tuscon | Arizona | — | — |
| Not listed | Beverly Hills | California | — | — |
| Not listed | Burbank | California | — | — |
| Not listed | La Jolla | California | — | — |
| Not listed | Long Beach | California | — | — |
| Not listed | Los Angeles | California | — | — |
| Not listed | Paramount | California | — | — |
| Not listed | San Diego | California | — | — |
| Not listed | Santa Monica | California | — | — |
| Not listed | Spring Valley | California | — | — |
| Not listed | Tustin | California | — | — |
| Not listed | Vista | California | — | — |
| Not listed | Westlake Village | California | — | — |
| Not listed | Ridgefield | Connecticut | — | — |
| Not listed | Newark | Delaware | — | — |
| Not listed | Washington D.C. | District of Columbia | — | — |
| Not listed | DeLand | Florida | — | — |
| Not listed | Fort Lauderdale | Florida | — | — |
| Not listed | Hollywood | Florida | — | — |
| Not listed | Inverness | Florida | — | — |
| Not listed | Jacksonville | Florida | — | — |
| Not listed | Boise | Idaho | — | — |
| Not listed | Chicago | Illinois | — | — |
| Not listed | Gurnee | Illinois | — | — |
| Not listed | Morton | Illinois | — | — |
| Not listed | Park Ridge | Illinois | — | — |
| Not listed | Avon | Indiana | — | — |
| Not listed | Bloomington | Indiana | — | — |
| Not listed | Crestview Hills | Kentucky | — | — |
| Not listed | Baltimore | Maryland | — | — |
| Not listed | Columbia | Maryland | — | — |
| Not listed | Brockton | Massachusetts | — | — |
| Not listed | West Yarmouth | Massachusetts | — | — |
| Not listed | Ann Arbor | Michigan | — | — |
| Not listed | City of Saint Peters | Missouri | — | — |
| Not listed | Florissant | Missouri | — | — |
| Not listed | Kansas City | Missouri | — | — |
| Not listed | Washington | Missouri | — | — |
| Not listed | Wentzville | Missouri | — | — |
| Not listed | Charlotte | North Carolina | — | — |
| Not listed | Salisbury | North Carolina | — | — |
| Not listed | Shelby | North Carolina | — | — |
| Not listed | Cincinnati | Ohio | — | — |
| Not listed | Delaware | Ohio | — | — |
| Not listed | Mogadore | Ohio | — | — |
| Not listed | Willoughby Hills | Ohio | — | — |
| Not listed | Zanesville | Ohio | — | — |
| Not listed | Oklahoma City | Oklahoma | — | — |
| Not listed | Eugene | Oregon | — | — |
| Not listed | Portland | Oregon | — | — |
| Not listed | Bridgeville | Pennsylvania | — | — |
| Not listed | Downingtown | Pennsylvania | — | — |
| Not listed | Jenkintown | Pennsylvania | — | — |
| Not listed | Lansdale | Pennsylvania | — | — |
| Not listed | Charleston | South Carolina | — | — |
| Not listed | Spartanburg | South Carolina | — | — |
| Not listed | Kingsport | Tennessee | — | — |
| Not listed | Austin | Texas | — | — |
| Not listed | Dallas | Texas | — | — |
| Not listed | Fort Worth | Texas | — | — |
| Not listed | Houston | Texas | — | — |
| Not listed | Pearland | Texas | — | — |
| Not listed | Rosenberg | Texas | — | — |
| Not listed | San Antonio | Texas | — | — |
| Not listed | Riverton | Utah | — | — |
| Not listed | Salt Lake City | Utah | — | — |
| Not listed | West Jordan | Utah | — | — |
| Not listed | Arlington | Virginia | — | — |
| Not listed | Burke | Virginia | — | — |
| Not listed | Norfolk | Virginia | — | — |
| Not listed | Lakewood | Washington | — | — |
| Not listed | Port Richard | Washington | — | — |
| Not listed | Menomonee Falls | Wisconsin | — | — |
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 11 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00591578, 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 2, 2012 · Synced Oct 16, 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 public registry record, listed eligibility criteria, and available contact information for NCT00591578 live on ClinicalTrials.gov.