Body mass index and age correlate with antioxidant supplementation effects on sperm quality: Post hoc analyses from a double-blind placebo-controlled trial

Gian Maria Busetto, Francesco Del Giudice, Ashraf Virmani, Alessandro Sciarra, Martina Maggi, Matteo Ferro, Angelo Porreca, Benjamin I. Chung, Ashok Agarwal, Ettore De Berardinis

Research output: Contribution to journalArticle

Abstract

Spermatozoa are vulnerable to lack of energy and oxidative stress as a result of elevated levels of reactive oxygen species. Therefore, it is essential that appropriate nutrients are available during maturation. This randomised, double-blind, placebo-controlled trial investigated the effect of 6-month supplementation with carnitines and other micronutrients on sperm quality in 104 subjects with oligo- and/or astheno- and/or teratozoospermia with or without varicocele. Semen analyses were done at the beginning and end of the treatment. In addition to main analyses, post hoc analyses for age and body mass index (BMI) were carried out. Results were interpreted by dividing the population into two age and BMI classes. In 94 patients who completed the study, all sperm parameters increased in supplemented patients compared to the placebo group. A significant (p =.0272) difference in supplementation efficacy was observed for total motility on patients with varicocele and BMI < 25. In the same group, also the progressive motility was significantly superior (p =.0159). For Responder analysis, total motility results were confirmed in both the cited group (p =.0066) and in the varicocele group with BMI < 25 and age < 35 (p =.0078). This study suggests that supplementation is more effective in subjects with varicocele younger than 35 years with BMI < 25.

Original languageEnglish
Article numbere13523
JournalAndrologia
DOIs
Publication statusAccepted/In press - Jan 1 2020

Keywords

  • ageing
  • body mass index (BMI)
  • compounds
  • male infertility
  • varicocele

ASJC Scopus subject areas

  • Endocrinology
  • Urology

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    Busetto, G. M., Del Giudice, F., Virmani, A., Sciarra, A., Maggi, M., Ferro, M., Porreca, A., Chung, B. I., Agarwal, A., & De Berardinis, E. (Accepted/In press). Body mass index and age correlate with antioxidant supplementation effects on sperm quality: Post hoc analyses from a double-blind placebo-controlled trial. Andrologia, [e13523]. https://doi.org/10.1111/and.13523