Dataset Information

Comparison of the efficacy and safety of azilsartan with that of candesartan cilexetil in Japanese patients with grade I-II essential hypertension: a randomized, double-blind clinical study.

ABSTRACT: Azilsartan is a novel angiotensin receptor blocker being developed for hypertension treatment. This 16-week, multicenter, randomized, double-blind study compared the efficacy and safety of azilsartan (20-40 mg once daily by forced titration) and its ability to provide 24-h blood pressure (BP) control, with that of candesartan cilexetil (candesartan; 8-12 mg once daily by forced titration) in 622 Japanese patients with grade I-II essential hypertension. Efficacy was evaluated by clinic-measured sitting BP, and by ambulatory BP monitoring (ABPM) at week 14. Participants (mean age: 57 years, 61% males) had a mean baseline sitting BP of 159.8/100.4 mm Hg. The mean change from baseline in sitting diastolic BP at week 16 (primary endpoint) was -12.4 mm Hg in the azilsartan group and -9.8 mm Hg in the candesartan group, demonstrating a statistically significant greater reduction with azilsartan vs. candesartan (difference: -2.6 mm Hg, 95% confidence interval (CI): -4.08 to -1.22 mm Hg, P=0.0003). The week 16 (secondary endpoint) mean change from baseline in sitting systolic BP was -21.8 mm Hg and -17.5 mm Hg, respectively, a significant decrease with azilsartan vs. candesartan (difference: -4.4 mm Hg, 95% CI: -6.53 to -2.20 mm Hg, P<0.0001). On ABPM, the week 14 mean changes from baseline in diastolic and systolic BP were also significantly greater with azilsartan over a 24-h period, and during the daytime, night-time and early morning. Safety and tolerability were similar among the two groups. These data demonstrate that once-daily azilsartan provides a more potent 24-h sustained antihypertensive effect than that of candesartan but with equivalent safety.

SUBMITTER: Rakugi H

PROVIDER: S-EPMC3348575 | biostudies-literature | 2012 May

REPOSITORIES: biostudies-literature

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Comparison of the efficacy and safety of azilsartan with that of candesartan cilexetil in Japanese patients with grade I-II essential hypertension: a randomized, double-blind clinical study.

Rakugi Hiromi H Enya Kazuaki K Sugiura Kenkichi K Ikeda Yoshinori Y

Hypertension research : official journal of the Japanese Society of Hypertension 20120126 5

Azilsartan is a novel angiotensin receptor blocker being developed for hypertension treatment. This 16-week, multicenter, randomized, double-blind study compared the efficacy and safety of azilsartan (20-40 mg once daily by forced titration) and its ability to provide 24-h blood pressure (BP) control, with that of candesartan cilexetil (candesartan; 8-12 mg once daily by forced titration) in 622 Japanese patients with grade I-II essential hypertension. Efficacy was evaluated by clinic-measured s ...[more]

PMID: 22278628

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Project description:BackgroundAzilsartan medoxomil (AZL-M), an angiotensin II receptor blocker, has a well-characterized efficacy and safety profile in patients with hypertension. AZL-M is approved for use in over 40 countries globally; however, it is not yet approved in China. Therefore, a phase 3 registration study to assess the efficacy (antihypertensive effect), safety, and tolerability of AZL-M compared with valsartan in Chinese patients with essential hypertension was undertaken.MethodsThis multicenter, double-blind, randomized, 8-week phase 3 study compared AZL-M with valsartan in Chinese patients aged ≥18 years with essential hypertension. Endpoints included change from baseline to week 8 in trough sitting clinic systolic blood pressure (scSBP) and ambulatory blood pressure monitoring parameters.ResultsOverall, 612 patients (mean age, 57.1 years; 57.5% male) were randomized to AZL-M 80 mg (n = 209), AZL-M 40 mg (n = 199), or valsartan 160 mg (n = 204). Baseline mean scSBP was similar in all groups (157.9-158.5 mm Hg). The mean reduction in trough scSBP from baseline to week 8 was significantly greater with AZL-M 80 mg than with valsartan (-24.2 vs -20.6 mm Hg; P = .010), and noninferior with AZL-M 40 mg versus valsartan (-22.5 vs -20.6 mm Hg; P = .184). Mean reduction in 24-hour mean systolic blood pressure (n = 257) was significantly greater with both AZL-M 80 mg (-17.0 mm Hg; P < .001) and AZL-M 40 mg (-14.7 mm Hg; P = .014) than with valsartan (-9.4 mm Hg). Treatment-emergent adverse events had similar incidence (52.8%-56.5%) across the treatment groups and were generally mild or moderate. Dizziness was the most frequent treatment-related treatment-emergent adverse events (AZL-M 80 mg, 1.9%; AZL-M 40 mg, 1.5%; valsartan, 1.0%). The safety and tolerability of AZL-M were comparable with valsartan.ConclusionsAZL-M was noninferior to valsartan at the 40-mg dose and superior to valsartan at the 80-mg dose in reducing trough scSBP, and showed acceptable safety-consistent with the AZL-M safety profile in other populations-in Chinese adults with hypertension.Trial registration numberNCT02480764.

Dataset Information

Comparison of the efficacy and safety of azilsartan with that of candesartan cilexetil in Japanese patients with grade I-II essential hypertension: a randomized, double-blind clinical study.

Publications

Comparison of the efficacy and safety of azilsartan with that of candesartan cilexetil in Japanese patients with grade I-II essential hypertension: a randomized, double-blind clinical study.

Similar Datasets

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