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  • Title: Efficacy and safety of olmesartan/amlodipine/hydrochlorothiazide in patients with hypertension not at goal with mono, dual or triple drug therapy: results of the CHAMPiOn study.
    Author: Punzi HA.
    Journal: Ther Adv Cardiovasc Dis; 2014 Feb; 8(1):12-21. PubMed ID: 24492985.
    Abstract:
    OBJECTIVE: To assess the efficacy and safety of once daily olmesartan medoxomil (OM)/amlodipine besylate (AM)/hydrochlorothiazide (HCTZ) 40/10/25 mg in patients with hypertension not at goal with mono, dual or triple drug therapy. METHODS: This was a single-center, prospective, open-label, blinded-endpoint study. After a 1-week screening visit, 40 patients were enrolled into the study and given once daily treatment with OM/AM/HCTZ after the patients underwent baseline ambulatory blood pressure monitoring (ABPM) on their original therapy. The primary endpoint was changes from baseline in mean 24 h ABPM [systolic blood pressure (SBP)] after the first day of therapy with OM/AM/HCTZ 40/10/25 mg. Secondary endpoints were changes from baseline in mean 24 h ABPM [diastolic blood pressure (DBP)] after the first day of therapy with OM/AM/HCTZ 40/10/25 mg; mean changes from baseline in trough seated SBP (SeSBP) at day 1 and SeSBP at weeks 1, 2, 3 and 4; mean changes from baseline in trough seated DBP (SeDBP) at day 1 and SeDBP at weeks 1, 2, 3 and 4; and the percentage of subjects achieving mean 24 h, daytime and night-time ABPM BP goals. RESULTS: The baseline paired t-test systolic ABPM was 134.0 ± 2.77 mmHg and day 1 was 128.6 ± 2.47 mmHg with a treatment difference of -5.55 ± 1.3 mmHg (p<0.0001). At week 1, paired t-test ABPM SBP reduction was 117.7 ± 2.0 mmHg with a treatment difference of -16.5 ± 1.8 mmHg (p < 0.0001). At week 2, paired t-test ABPM SBP reduction was 115.8 ± 1.8 mmHg with a treatment difference of -18.4 ± 2.0 mmHg (p < 0.0001). At week 3, paired t-test ABPM SBP reduction was 115.5 ± 1.9 mmHg with a treatment difference of -18.6 ± 2.0 mmHg (p < 0.0001). At week 4, paired t-test ABPM SBP reduction was 115.5 ± 1.8 mmHg with a treatment difference of -18.6 ± 2.2 mmHg (p < 0.0001). The baseline paired t-test SeSBP was 142 ± 2.43 mmHg and day 1 was 132 ± 2.59 mmHg with a treatment difference of -9.78 ± 1.51 mmHg (p < 0.0001). At week 1, paired t-test SeSBP reduction was 124.0 ± 1.6 mmHg with a treatment difference of -17.9 ± 1.8 mmHg (p < 0.0001). At week 2, paired t-test SeSBP reduction was 120.3 ± 1.7 mmHg with a treatment difference of -21.5 ± 2.1 mmHg (p < 0.0001). At week 3, paired t-test SeSBP reduction was 118.5 ± 1.8 mmHg with a treatment difference of -23.3 ± 1.7 mmHg (p < 0.0001). At week 4, paired t-test SeSBP reduction was 119.6 ± 1.7 mmHg with a treatment difference of -22.2 ± 1.9 mmHg (p < 0.0001). CONCLUSION: Treatment with OM/AM/HCTZ achieved superior (SBP) ABPM reductions compared with mono, dual or triple drug therapy, resulting in all patients achieving systolic ABPM goal without ABPM documented hypotension.
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