Efficacy and Safety of Azilsartan Medoxomil and Chlorthalidone Compared to Olmesartan Medoxomil and Hydrochlorothiazide in Participants With Moderate to Severe Hypertension.
Public ClinicalTrials.gov record NCT01033071. 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 Phase 3b, Double-Blind, Randomized, 12-Week Efficacy and Safety Study Comparing the TAK-491 Plus Chlorthalidone Fixed-Dose Combination vs Olmesartan Medoxomil-Hydrochlorothiazide in Subjects With Moderate to Severe Hypertension
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to compare the antihypertensive effect of azilsartan medoxomil plus chlorthalidone, once daily (QD), to olmesartan medoxomil plus hydrochlorothiazide in participants with moderate to severe hypertension.
Study identification
- NCT ID
- NCT01033071
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 1,071 participants
Conditions and interventions
Conditions
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
- Jan 2010 (Type not available)
- Primary completion
- Oct 2010 (Actual)
- Completion
- Nov 2010 (Actual)
- Last update posted
- Feb 7, 2012
2010
United States locations
- U.S. sites
- 84
- U.S. states
- 31
- U.S. cities
- 84
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Gulf Shores | Alabama | — | — |
| Not listed | Litchfield Park | Arizona | — | — |
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| Not listed | Dunwoody | Georgia | — | — |
| Not listed | Roswell | Georgia | — | — |
| Not listed | Suwanee | Georgia | — | — |
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| Not listed | Naperville | Illinois | — | — |
| Not listed | Avon | Indiana | — | — |
| Not listed | Indianapolis | Indiana | — | — |
| Not listed | Valparaiso | Indiana | — | — |
| Not listed | Crestview Hills | Kentucky | — | — |
| Not listed | Lexington | Kentucky | — | — |
| Not listed | Auburn | Maine | — | — |
| Not listed | Brockton | Massachusetts | — | — |
| Not listed | Hyannis | Massachusetts | — | — |
| Not listed | West Yarmouth | Massachusetts | — | — |
| Not listed | Ann Arbor | Michigan | — | — |
| Not listed | City of Saint Peters | Missouri | — | — |
| Not listed | St Louis | Missouri | — | — |
| Not listed | Henderson | Nevada | — | — |
| Not listed | Margate City | New Jersey | — | — |
| Not listed | Wildwood Crest | New Jersey | — | — |
| Not listed | Albuquerque | New Mexico | — | — |
| Not listed | Glens Falls | New York | — | — |
| Not listed | Boiling Springs | North Carolina | — | — |
| Not listed | Raleigh | North Carolina | — | — |
| Not listed | Salisbury | North Carolina | — | — |
| Not listed | Cincinnati | Ohio | — | — |
| Not listed | Columbus | Ohio | — | — |
| Not listed | Willoughby Hills | Ohio | — | — |
| Not listed | Oklahoma City | Oklahoma | — | — |
| Not listed | Yukon | Oklahoma | — | — |
| Not listed | Ashland | Oregon | — | — |
| Not listed | Portland | Oregon | — | — |
| Not listed | Bensalem | Pennsylvania | — | — |
| Not listed | Feasterville | Pennsylvania | — | — |
| Not listed | Lansdale | Pennsylvania | — | — |
| Not listed | Pittsburgh | Pennsylvania | — | — |
| Not listed | Reading | Pennsylvania | — | — |
| Not listed | Tipton | Pennsylvania | — | — |
| Not listed | Cranston | Rhode Island | — | — |
| Not listed | Cumberland | Rhode Island | — | — |
| Not listed | Mt. Pleasant | South Carolina | — | — |
| Not listed | Simpsonville | South Carolina | — | — |
| Not listed | Beaumont | Texas | — | — |
| Not listed | Dallas | Texas | — | — |
| Not listed | Houston | Texas | — | — |
| Not listed | North Richland Hills | Texas | — | — |
| Not listed | San Antonio | Texas | — | — |
| Not listed | Magna | Utah | — | — |
| Not listed | Manassas | Virginia | — | — |
| Not listed | Lakewood | Washington | — | — |
| Not listed | Port Orchard | Washington | — | — |
| Not listed | Madison | Wisconsin | — | — |
| 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 10 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01033071, 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 7, 2012 · Synced Oct 18, 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 NCT01033071 live on ClinicalTrials.gov.