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Clinical Trial Summary

The purpose of this study is to evaluate long term safety and tolerability of azilsartan medoxomil and chlorthalidone, once daily (QD), compared with olmesartan medoxomil and hydrochlorothiazide in hypertensive participants with moderate renal impairment.


Clinical Trial Description

A major component of blood pressure regulation is the renin-angiotensin-aldosterone system (RAAS). Drugs that modulate the RAAS are used commonly worldwide for the treatment of hypertension. TAK-491 (azilsartan medoxomil) is a prodrug of TAK-536 (azilsartan), an angiotensin II receptor blocker (ARB). Azilsartan medoxomil is being evaluated by Takeda to treat participants with essential hypertension.

Chlorthalidone is an orally administered thiazide-like diuretic agent, and long-term outcomes trials show blood pressure reductions associated with chlorthalidone treatment reduce risk of cardiovascular morbidity and mortality.

Hypertensive patients with moderate renal impairment are a relatively more severe and resistant hypertension population, and may benefit from effective fixed-dose combination treatments such as an ARB plus a diuretic for blood pressure control.

Participants will be randomized to receive azilsartan medoxomil and chlorthalidone or olmesartan medoxomil and hydrochlorothiazide for up to 52 weeks to evaluate long term safety of azilsartan medoxomil and chlorthalidone. A titration-to-target blood pressure approach will be used to guide the titration of study medication in this trial. ;


Study Design

Allocation: Randomized, Endpoint Classification: Safety Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT01309828
Study type Interventional
Source Takeda
Contact
Status Completed
Phase Phase 3
Start date March 2011
Completion date October 2012

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