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Long-term efficacy and tolerability of azilsartan medoxomil/chlorthalidone vs olmesartan medoxomil/hydrochlorothiazide in chronic kidney disease.

ABSTRACT: An open-label, long-term study evaluated safety and tolerability of azilsartan medoxomil/chlorthalidone (AZL-M/CLD) vs olmesartan/hydrochlorothiazide (OLM/HCTZ) in hypertensive participants with stage 3 chronic kidney disease. Initial therapy was AZL-M/CLD 20/12.5 mg (n = 77) or OLM/HCTZ 20/12.5 mg (n = 76), but could be up-titrated (AZL-M/CLD to 40/25 mg; OLM/HCTZ to 40/25 mg [US] or 20/25 mg [Europe]) with other agents added during weeks 4-52. Primary endpoint was proportion of participants with ≥ 1 adverse event (AE) through week 52. Baseline demographics were similar. AEs did not differ between groups (88.3%, AZL-M/CLD vs 76.3%, OLM/HCTZ; P = .058). AZL-M/CLD showed greater systolic BP reductions after initial dosing (P = .037) but not during long-term follow-up (P = .588). A greater proportion of participants up-titrated to the highest dose with OLM/HCTZ (48.7%) vs AZL-M/CLD (29.9%) (P = .021) and were taking additional antihypertensive medications (26.3% vs 16.9%). Both AZL-M/CLD and OLM/HCTZ showed similar efficacy and tolerability.

SUBMITTER: Bakris GL

PROVIDER: S-EPMC8031057 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:This study was to evaluate the efficacy and safety of triple fixed-dose combination (FDC) therapy with olmesartan medoxomil (OM) 20 mg, amlodipine (AML) 5 mg, and hydrochlorothiazide (HCTZ) 12.5 mg (OM/AML/HCTZ 20/5/12.5) in Korean patients with moderate hypertension not controlled with dual FDC therapy (OM/HCTZ 20/12.5).In this multicenter, randomized, double-blind, parallel-group study, Korean patients aged 20 to 75 years with stage 2 hypertension who had a mean seated diastolic blood pressure (msDBP) ?100 mmHg were enrolled when their BP was uncontrolled [mean seated systolic BP (msSBP)/msDBP >140/90 mmHg or msSBP/msDBP >130/80 mmHg with diabetes or chronic kidney disease] with 4-week dual FDC therapy (OM/HCTZ 20/12.5). The patients were randomized to receive either OM/AML/HCTZ 20/5/12.5 or OM/HCTZ 20/12.5 once daily for 8 weeks. At the end of 8 weeks, patients with uncontrolled BP were assigned to receive either OM/AML/HCTZ 40/5/12.5 or OM/AML/HCTZ 20/5/12.5 in an additional 8-week open-label extension period.A total of 623 patients received a 4-week run-in treatment with OM/HCTZ, 341 patients were randomized, and finally, 167 patients in the OM/AML/HCTZ group and 171 patients in the OM/HCTZ group were analyzed for the full analysis set. Non-responders after the 8 weeks of double-blind treatment continued the 8-week open-label treatment with OM/AML/HCTZ 40/5/12.5 mg (n = 32) or OM/AML/HCTZ 20/5/12.5 mg (n = 71). After 8 weeks of double-blind treatment, the changes in msDBP were -9.50 (8.46) mmHg in the OM/AML/HCTZ group and -4.23 (7.41) mmHg in the OM/HCTZ group (both p < 0.0001 vs. baseline; p < 0.0001 between groups). The response rates for both msSBP and msDBP at week 8 were 65.27 % in the OM/AML/HCTZ group and 37.43 % in the OM/HCTZ group (p < 0.0001 between groups). The response rates for both msSBP and msDBP at week 16 after open-label treatment were 18.75 % in the OM/AML/HCTZ 40/5/12.5 group and 46.48 % in the OM/AML/HCTZ 20/5/12.5 group (p = 0.0073 between groups). All medications were well tolerated.In Korean patients with moderate hypertension not controlled with dual FDC therapy (OM/HCTZ 20/12.5) as first-line therapy, switching to triple FDC therapy (OM/AML/HCTZ 20/5/12.5) was associated with significant BP reductions and greater achievement of BP goals, and was well tolerated (ClinicalTrials.gov Identifier: NCT01838850).

Project description:This is a prespecified subgroup analysis in Hispanic and non-Hispanic patients of a study that evaluated blood pressure (BP) control with fixed-dose amlodipine/olmesartan medoxomil (AML/OM)-based therapy in patients whose condition was uncontrolled on prior monotherapy.In this prospective, open-label, dose-titration study, patients with uncontrolled BP after at least 1 month of antihypertensive monotherapy were switched to fixed-dose AML/OM 5/20 mg. Patients were uptitrated to AML/OM 5/40 and 10/40 mg, with uptitration to AML/OM + hydrochlorothiazide 10/40 + 12.5 mg and 10/40 + 25 mg to achieve target BP. The primary efficacy endpoint was the cumulative proportion of patients achieving seated cuff systolic BP (SeSBP) less than 140 mmHg (<130 mmHg in patients with diabetes mellitus) at 12 weeks. Secondary endpoints included SeBP goal rates, ambulatory BP (ABP) target rates, and mean change from baseline in seated cuff BP (SeBP) and ABP at weeks 12 and 20.Mean baseline BP was similar in Hispanics (153.6/92.8 mmHg; n = 105) and non-Hispanics (153.7/91.8 mmHg; n = 894). At 12 weeks, 72.0% of Hispanics and 76.3% of non-Hispanics achieved the primary endpoint. At week 12, goal rates for cumulative SeBP (<140/90 mmHg or <130/80 mmHg in patients with diabetes) were 69.0% and 71.5% in Hispanic and non-Hispanic patients, respectively. Mean change in SeBP in Hispanics ranged from -15.3/-7.3 mmHg for AML/OM 5/20 mg to -23.2/-13.8 mmHg for AML/OM 10/40 mg + hydrochlorothiazide 25 mg, and in non-Hispanics from -14.1/-7.8 mmHg to -25.4/-13.7 mmHg (all p < 0.0001 versus baseline). A majority of patients achieved mean 24 h, daytime, and nighttime ABP targets in both subgroups. Greater proportions of Hispanics achieved ABP targets versus non-Hispanics at week 12; however, this trend was reversed at week 20. Treatment was well tolerated.Switching to a fixed-dose combination of AML/OM ± hydrochlorothiazide provided significant BP lowering and effectively controlled BP in a large proportion of Hispanic and non-Hispanic patients with hypertension uncontrolled on previous monotherapy.

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Long-term efficacy and tolerability of azilsartan medoxomil/chlorthalidone vs olmesartan medoxomil/hydrochlorothiazide in chronic kidney disease.

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