Response by sex to statin plus ezetimibe or statin monotherapy: A pooled analysis of 22,231 hyperlipidemic patients
2011

Response to Statin Plus Ezetimibe or Statin Monotherapy by Sex

Sample size: 22231 publication 10 minutes Evidence: moderate

Author Information

Author(s): Abramson Beth L, Benlian Pascale, Hanson Mary E, Lin Jianxin, Shah Arvind, Tershakovec Andrew M

Primary Institution: St. Michael's Hospital, Toronto, Ontario, Canada

Hypothesis

Are there sex-related differences in the response to lipid-lowering treatments among hyperlipidemic patients?

Conclusion

Small sex-related differences may exist in response to lipid-lowering treatment, which could impact the management of hypercholesterolemia in women.

Supporting Evidence

  • Women reported more adverse events related to gall-bladder and gastrointestinal issues compared to men.
  • Men experienced greater reductions in LDL-C with ezetimibe plus statin compared to women.
  • Women had higher baseline levels of hs-CRP than men, which may affect treatment outcomes.

Takeaway

This study looked at how men and women respond differently to cholesterol-lowering medications, finding that women might not be treated as effectively as men.

Methodology

Data from 27 double-blind studies were pooled, comparing the effects of statin monotherapy and statin plus ezetimibe on lipid levels in men and women.

Potential Biases

Potential bias due to underrepresentation of women in clinical trials and differences in baseline characteristics.

Limitations

The study may not account for all variables affecting lipid levels, and the clinical relevance of small differences is debatable.

Participant Demographics

Participants included 11,295 men and 10,499 women, with varying ages and health conditions.

Statistical Information

P-Value

p = 0.0066 for LDL-C changes in men vs. women

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1476-511X-10-146

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