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Statins for secondary prevention of cardiovascular disease: the right dose

Reynold Spector1, Steven M Snapinn

  • 1Robert Wood Johnson Medical School, Piscataway, NJ, USA. mspec007@verizon.net

Pharmacology
|January 14, 2011
PubMed

Insights

For coronary artery disease patients, high-dose statins offer no mortality benefit and increase adverse events. A single, safe 40 mg dose of simvastatin or atorvastatin is recommended for cost-effectiveness and improved medication compliance.

Area of Science:

  • Cardiovascular Medicine
  • Pharmacology

Background:

  • Statins are widely accepted for reducing cardiovascular events in coronary artery disease (CAD).
  • Controversy exists regarding optimal statin dosage and the necessity of cholesterol-lowering goals.

Purpose of the Study:

  • To determine the optimal statin dose in CAD patients by analyzing dose-response data.
  • To evaluate the mortality benefit, efficacy, and safety of higher statin doses.

Main Methods:

  • Meta-analysis of three large, long-term (approx. 5 years) dose-clinical response studies (TNT, IDEAL, SEARCH).
  • Comparison with historical data, including long-term safety information.

Main Results:

  • Increasing simvastatin or atorvastatin to 80 mg provided no mortality advantage over lower doses.
  • Higher doses showed only a marginal reduction in myocardial infarctions and strokes, with increased adverse reactions.
  • A single 40 mg dose of generic simvastatin or atorvastatin is suggested as a cost-effective, safe option.

Conclusions:

  • High-dose statins (80 mg) are not superior to lower doses for mortality benefit in CAD patients.
  • A 40 mg dose of inexpensive statins is sufficient and cost-effective for most CAD patients.
  • Treatment-to-goal strategies and routine cholesterol monitoring may be unnecessary, potentially improving medication adherence.

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