Fixed-Dose Combination (Polypill) for Cardiovascular Disease Prevention: A Meta-Analysis

Abdelrahman I. Abushouk, Ahmed Sayed, Malak Munir, Esraa Ghanem, Omar Abdelfattah, Erin D. Michos, Amgad Mentias, Samir Kapadia, Steven E. Nissen

Research output: Contribution to journalReview articlepeer-review

Abstract

Introduction: This meta-analysis was performed to assess the efficacy of fixed-dose combination (polypill) in reducing the risk of mortality and cardiovascular events. Methods: Medline, Scopus, Web of Science, and Cochrane Central were searched during May 2021. All randomized trials investigating the efficacy of antihypertensive and lipid-lowering ± antiplatelet drug combinations in patients at cardiovascular risk were included. Outcomes were presented as risk ratios or standardized mean differences with 95% CIs. Results: A total of 16 trials (N = 26,567 participants) were included. The risk reduction for all-cause mortality (risk ratio = 0.90; 95% CI = 0.79, 1.01; I2 = 0%; moderate certainty) and major adverse cardiac events (risk ratio=0.84; 95% CI=0.68, 1.04; I2=51%; very low certainty) did not reach statistical significance in comparison with those of the control group. Subgroup analysis of studies that used an active control yielded similar results. However, significant reductions in major adverse cardiac event risk were observed in studies that exclusively targeted primary prevention, followed patients for ≥4 years, and had a low risk of bias. The polypill group had significantly higher adherence (risk ratio=1.18; 95% CI=1.06, 1.32; I2=96%; very low certainty) and comprable rates of adverse side effects (risk ratio=1.10; 95% CI=0.98, 1.23; I2=58%; moderate certainty) with those of the control group. Patients randomized to the polypill had significant reductions in systolic and diastolic blood pressure as well as in total and low-density lipoprotein cholesterol. Discussion: Despite reductions in cardiovascular risk factors, the observed mortality benefit for the polypill did not reach statistical significance. Further studies are needed to validate its clinical benefits and determine the patient populations likely to achieve such benefits.

Original languageEnglish (US)
Pages (from-to)440-449
Number of pages10
JournalAmerican journal of preventive medicine
Volume63
Issue number3
DOIs
StatePublished - Sep 2022

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health
  • Epidemiology

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