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Erythropoietin and sexual dysfunction

I G Lawrence1, D E Price, T A Howlett

  • 1Department of Diabetes and Endocrinology, Leicester Royal Infirmary, UK.

Nephrology, Dialysis, Transplantation : Official Publication of the European Dialysis and Transplant Association - European Renal Association
|April 1, 1997
PubMed
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Erythropoietin therapy improves anemia but not sexual dysfunction in many male dialysis patients. These patients show higher testosterone and SHBG levels, indicating potential endocrine imbalances unrelated to prolactin or estrogen.

Area of Science:

  • Nephrology
  • Endocrinology
  • Sexual Medicine

Background:

  • Erythropoietin (rHuEpo) therapy is used to treat anemia in dialysis patients.
  • While rHuEpo can improve sexual function, many male dialysis patients still experience sexual dysfunction despite treatment.
  • This suggests potential underlying endocrine factors contributing to persistent sexual dysfunction.

Purpose of the Study:

  • To investigate endocrine disturbances in male dialysis patients with sexual dysfunction.
  • To compare serum sex hormone levels between patients receiving and not receiving rHuEpo therapy.
  • To identify potential hormonal factors contributing to persistent sexual dysfunction in this population.

Main Methods:

  • Sixty-five male dialysis patients were screened for endocrine issues at a renal impotence clinic.

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  • Baseline serum sex hormones (testosterone, SHBG, prolactin, LH, FSH, estradiol) were measured.
  • Hormone levels were compared between rHuEpo recipients and non-recipients using statistical tests.

    • Main Results:

    • rHuEpo recipients had significantly higher serum testosterone and sex hormone-binding globulin (SHBG) levels.
    • A trend towards elevated estradiol was observed in rHuEpo recipients.
    • In peritoneal dialysis patients receiving rHuEpo, higher LH and FSH levels were also noted, unlike in hemodialysis patients.

    Conclusions:

    • Male dialysis patients with sexual dysfunction on rHuEpo exhibit elevated testosterone and SHBG.
    • rHuEpo therapy does not suppress hyperprolactinemia or hyperestrogenism in these patients.
    • Elevated LH and FSH in peritoneal dialysis patients receiving rHuEpo suggest specific endocrine effects.