Effects of anti-malarial alkaloids on the sperm properties and blood levels of reproductive hormones of adult men

  • DE Ejebe
  • AE Ojieh
  • SI Ovuakporaye
  • HK Odion-Obomhense
  • EC Adegor
  • CN Amadi
  • C Nwadito
  • JOT Emudainohwo
  • TC Ozoko
Keywords: Anti-malarial alkaloids, quinine, chloroquine, sperm properties, reproductive hormones, adult men.

Abstract

The effects of treatment with the anti-malarial alkaloids quinine and chloroquine on sperm properties and blood levels of selected reproductive hormones (testosterone, follicle stimulating hormone and
luteinizing hormones) of adult men were determined. Informed consents were obtained from twenty healthy adult volunteers who were subsequently allotted to groups A and B with 5 subjects each .While
group C had 10 subjects. Group A received 600 mg of quinine 8 hourly for 5 days; group B subjects had 4 tablets of chloroquine (250 mg each) daily for 2 days then 2 tablets for one day. Group C subjects had
neither of these drugs in the study period of 65 days. Venous blood and masturbation specimens of semen were obtained from the subjects before treatment, immediately post-treatment and by the 65th
day from commencement of treatment. Blood levels of follicle stimulating hormones, leutinizing hormone and testosterone were determined by Enzyme Linked Imuno Assay. Seminal Fluid Analysis
was carried out on the semen specimens to determine sperm count, percentage forward motility and percentage abnormal sperm morphology. The means of all the variables assessed were within the limits of normal for their respective method of analysis. No statistical significant effect of these drugs on sperm count, percentage sperm forward motility and blood levels of testosterone were observed when
pre-treatment results were compared with post-treatment and 65th day results as well as when results of quinine and chloroquine treated groups were compared with those of control group. The suggestion by
disparate in vivo animal and in vitro studies that the short term use of these drugs to treat malaria may be associated with fertility changes as a result of their inherent anti-spermatogenic effects have not
been collaborated by this study in adult men.
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