Statin adverse events in primary prevention: Between randomized trials and observational studies

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Considerable debate exists regarding who might benefit from statins for primary prevention. Statins have wide pleotropic effects, which contribute to their efficacy in lowering cardiovascular disease but may also result in adverse events (AEs). Caveats in identifying AEs in randomized controlled trials (RCTs) include the lack of a standardized definition of statin-associated AEs, the differences in properties of different statins, the selectivity of RCTs in choosing their participants, the presence of high rate of nonadherence/ withdrawal from trials and other concerns related to study design and conflict of interest. Caveats in identifying or overestimating AEs in observational studies include failure to identify baseline confounders, ascertainment bias, confounding by indication and healthy user bias. Statin use in observational studies may be a surrogate marker for higher socioeconomic standards, access to health care or use of other preventive services. Integrating evidence from both RCTs and observational studies is of paramount importance for appropriate patient-centered decision.

Original languageEnglish (US)
Pages (from-to)330-337
Number of pages8
JournalAmerican Journal of the Medical Sciences
Volume350
Issue number4
DOIs
StatePublished - 2015

Keywords

  • Adverse events
  • Observational studies
  • Primary prevention
  • Randomized trials
  • Statin

ASJC Scopus subject areas

  • Medicine(all)

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