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Cardio-protective effects of statins in patients undergoing anthracycline-based chemotherapy: An updated
Nicole Felix1, Paula C Nogueira2, Isadora M Silva3
1Federal University of Campina Grande, Campina Grande, Brazil.
Introduction:
Several interventions have been tested for cardio-protection against anthracycline-induced cancer therapy-related cardiovascular dysfunction (CTRCD). The role of statins in this setting remains unclear.
Methods:
We systematically searched PubMed, Embase, Cochrane Library, Clinicaltrials.gov, and Web of Science for randomized controlled trials (RCTs) comparing statins versus control (placebo or no intervention) for preventing anthracycline-induced CTRCD. We applied a random-effects model to pool risk ratios (RR) and mean differences (MD) with 95 % confidence intervals (CI).
Results:
We included seven RCTs comprising 887 patients with planned chemotherapy with anthracycline-based regimens, of whom 49.8 % were randomized to statins. Relative to placebo, statins significantly reduced the incidence of cardiotoxicity/CTRCD (RR 0.46; 95 % CI 0.29 to 0.72; p < 0.001). The left ventricular end-systolic volume was also lower in patients treated with statin (MD -3.12 mL; 95 % CI -6.13 to -0.12 mL; p = 0.042). There was no significant difference between groups in post-anthracycline left ventricular ejection fraction (LVEF) overall.
Conclusion:
In this meta-analysis of RCTs, statins were significantly associated with a lower incidence of anthracycline-induced CTRCD and attenuated changes in the left ventricular end-systolic volume. Thus, our findings suggest that statins should be considered as a cardio-protection strategy for patients with planned anthracycline-based chemotherapy.
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