Hypertension therapy using fixed-dose polypills that contain at least three medications
Abstract
Fixed-dose combination (FDC) therapy may provide a solution to treatment gaps by overcoming reasons for therapeutic inertia. To synthesise and report on available evidence on standard or low-dose combination medicines that combine at least three antihypertensive medicines. A literature search was conducted via Scopus, Embase, PubMed and the Cochrane clinical trials database. Studies were eligible for inclusion if they were randomised clinical trials that included adults (>18 years) and examined the impact of at least three antihypertensive medications on blood pressure (BP). A total of 18 trials (n=14 307) were identified that examined combinations of three or four antihypertensive medicines. Ten trials investigated the effect of a standard dose triple combination polypill, four the effect of a low-dose triple and four the effect of a low-dose quadruple combination polypill. The mean difference (MD) in systolic BP ranged from -10.6 to -41.4 for the standard dose triple combination polypill in comparison with 2.1 to -34.5 for dual combination; -9.8 to -20.6 for a low-dose combination polypill in comparison with a MD of -0.9 to -5.2 for placebo; -9.0 to -29.3 for a low-dose combination polypill compared with -2.0 to -20.6 for monotherapy or usual care. All trials reported similar rates of adverse events. Ten studies reported medication adherence, six reported >95% adherence. Triple and quadruple combination antihypertensive medications are effective. Studies of low-dose triple…
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