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Causal association between statin use and erectile dysfunction: a 2-sample Mendelian randomization study.

Wu Wensong1, Fang Dengpan1, Xu Jianxin1

  • 1Urology, The Sixth Hospital of Wuhan, Affiliated Hospital of Jianghan University, Wuhan, 430000, China.

Sexual Medicine
|July 2, 2026
PubMed
Summary
This summary is machine-generated.

Statin use, especially atorvastatin and simvastatin, increases erectile dysfunction (ED) risk. Rosuvastatin, a different statin type, does not appear to cause ED, suggesting varied effects among these cholesterol-lowering drugs.

Keywords:
Mendelian randomizationerectile dysfunctionstatin use

Related Experiment Videos

Area of Science:

  • Cardiovascular Pharmacology
  • Genetics and Epidemiology

Background:

  • The association between statin medications and erectile dysfunction (ED) is debated due to inconsistent findings in prior observational studies.
  • Previous research is limited by confounding variables and potential reverse causation, necessitating further investigation.

Purpose of the Study:

  • To determine the causal relationship between statin consumption and the risk of developing ED.
  • Utilizing a 2-sample Mendelian randomization approach to analyze genetic data.

Main Methods:

  • Employed Mendelian randomization (MR) using genome-wide association study data from UK Biobank and FinnGen.
  • Investigated general statin use and specific types (atorvastatin, simvastatin, rosuvastatin) with inverse variance weighted (IVW) and sensitivity analyses.

Main Results:

  • General statin use showed a significant association with increased ED risk (OR=1.064, P=0.018).
  • Lipophilic statins, atorvastatin and simvastatin, were linked to higher ED risk (ORs > 4.9, P < 0.015).
  • Hydrophilic rosuvastatin did not demonstrate a causal link to ED (P=0.428), and sensitivity analyses confirmed robustness.

Conclusions:

  • Statin use, specifically atorvastatin and simvastatin, causally elevates the risk of erectile dysfunction.
  • Rosuvastatin exhibits a neutral effect on ED risk, indicating differential impacts among statin medications.