BACKGROUND Central aortic blood pressure (CBP) and CBP-derived parameters are independent predictors of cardiovascular risk. Angiotensin II receptor blockers (ARBs) or angiotensin-converting enzyme inhibitors plus calcium channel blockers are the recommended first-line treatments in hypertensive diabetic patients; however, the effect in reducing CBP when a dose is skipped has not been established yet. The aim was to determine whether the fixed-dose combination of olmesartan/amlodipine (OLM/AML) provides equal efficacy and safety as the perindopril/AML (PER/AML) combination in reducing CBP, augmentation index (AIx), and pulse wave velocity (PWV) when a drug dose is missed. METHODS In this noninferiority, randomized, double-blind, double-dummy parallel group, controlled design trial, 88 patients received either OLM 20–40mg/AML 5–10mg (41 patients) or PER 4–8mg/AML 5–10mg (47 patients) for 24 weeks. The main endpoint was the aortic systolic BP (SBP) after 24 weeks of treatment at 48 hours from the last administration. RESULTS The OLM/AML combination reached the noninferiority criteria in reducing central systolic BP after 24 weeks of treatment and after the missed dose, compared to the PER/AML combination (−17 and −8mm Hg, respectively). Peripheral BP, AIx, and PWV were significantly lower in both groups after 24 weeks of treatment and 48 hours after the missed dose, observing a trend to a greater reduction in CBP-derived parameters in the OLM/AML group. CONCLUSIONS The OLM/AML combination is safe, well tolerated, and not inferior to the combination of PER/AML in lowering CBP and CBP-derived parameters in diabetic patients. OLM/AML provides longer-lasting efficacy in terms of CBP reduction compared to PER/AML.
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|Titolo:||Comparative study of the efficacy of olmesartan/amlodipine vs. perindopril/amlodipine in peripheral and central blood pressure parameters after missed dose in type 2 diabetes|
|Data di pubblicazione:||2016|
|Appare nelle tipologie:||03.1 Articolo su rivista|