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Azilsartan medoxomil/chlorthalidone: a new fixed-dose combination antihypertensive.

Author(s): Pierini D(1), Anderson KV.

Affiliation(s): Author information: (1)Department of Pharmacotherapy and Translational Research, College of Pharmacy, University of Florida, Gainesville, FL, USA. dpierini@ufl.edu

Publication date & source: 2013, Ann Pharmacother. , 47(5):694-703

OBJECTIVE: To evaluate the efficacy, safety, and clinical utility of the combination product azilsartan medoxomil/chlorthalidone for the treatment of hypertension. DATA SOURCES: Articles indexed in PubMed through December 2012 were identified using the MeSH terms azilsartan and chlorthalidone, Edarbyclor, TAK-490, and Edarbi. Additional information was gathered from references cited in the identified publications, the package insert, and from a review of the ClinicalTrials.gov registry. STUDY SELECTION AND DATA EXTRACTION: English-language articles, including clinical trials and reviews involving azilsartan medoxomil/chlorthalidone or each component individually for the treatment of hypertension were reviewed. DATA SYNTHESIS: The antihypertensive combination tablet azilsartan medoxomil/chlorthalidone is the first to combine an inhibitor of the renin-angiotensin-aldosterone system with chlorthalidone, a thiazide-type diuretic. In 4 randomized controlled trials (3 published to date), azilsartan medoxomil/chlorthalidone 40 mg/12.5 mg and 40 mg/25 mg reduced blood pressure (BP) significantly more than comparators did, including an approximately 5-mm Hg greater BP reduction than olmesartan medoxomil/hydrochlorothiazide 40 mg/25 mg and azilsartan medoxomil/hydrochlorothiazide. Reductions in 24-hour ambulatory BP and clinic BP were observed, and a greater proportion of patients achieved BP targets while receiving azilsartan medoxomil/chlorthalidone. Azilsartan medoxomil/chlorthalidone was generally well tolerated, with minor, transient increases in serum creatinine and without a significant effect on potassium homeostasis. No studies have directly examined cardiovascular morbidity and mortality benefits associated with this combination. CONCLUSIONS: The combination of azilsartan medoxomil/chlorthalidone has demonstrated safety and efficacy in lowering BP in hypertensive patients to a greater degree than olmesartan medoxomil/hydrochlorothiazide and azilsartan medoxomil/hydrochlorothiazide. As a fixed-dose combination tablet, it offers several clinical advantages.

Page last updated: 2014-11-30

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