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Updated: Jan 18, 2026

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility
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Causal Association between Erectile Dysfunction with Urate Levels and Gout: A Two-Sample Mendelian Randomization

Qingqiang Gao1, Liang He2, Jian Zhang3

  • 1Department of Andrology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 210008 Nanjing, Jiangsu, China.

Archivos Espanoles De Urologia
|September 9, 2025
PubMed
Summary

This study found no causal link between uric acid (UA) levels or gout and erectile dysfunction (ED). Mendelian randomization analysis confirmed no bidirectional relationship, suggesting these conditions do not cause ED, nor does ED cause them.

Keywords:
Mendelian randomizationerectile dysfunctiongouturic acid

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Area of Science:

  • Genetics
  • Epidemiology
  • Urology

Background:

  • Elevated uric acid (UA) and gout are implicated as risk factors for erectile dysfunction (ED).
  • The precise causal relationship between UA levels, gout, and ED remains incompletely understood.
  • This study investigates the potential bidirectional causality between ED and UA levels/gout.

Purpose of the Study:

  • To determine if high uric acid levels or gout causally influence erectile dysfunction.
  • To assess if erectile dysfunction causally affects uric acid levels or gout.
  • To examine the bidirectional causal relationship using Mendelian randomization.

Main Methods:

  • Bidirectional Mendelian randomization (MR) analysis utilizing genome-wide association study (GWAS) summary statistics.
  • Selection of single nucleotide polymorphisms (SNPs) as instrumental variables based on stringent criteria.
  • Application of inverse-variance weighted (IVW), MR-Egger, weighted median, and weighted mode methods, alongside sensitivity analyses (Cochrane's Q, MR-Egger intercept, MR-PRESSO, leave-one-out).

Main Results:

  • No statistically significant causal association was found between uric acid levels or gout and erectile dysfunction using the IVW method.
  • Reverse MR analysis also indicated no evidence of a causal effect of erectile dysfunction on uric acid levels or gout.
  • Sensitivity analyses confirmed the robustness of the findings, showing no significant heterogeneity or horizontal pleiotropy.

Conclusions:

  • The Mendelian randomization study concludes there is no evidence of a bidirectional causal effect between uric acid levels or gout and erectile dysfunction.
  • Findings suggest that while associations may exist, UA levels and gout do not appear to be direct causal factors for ED, and vice versa.