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Journal of Endocrinological Investigation

, Volume 34, Issue 8, pp e224–e228 | Cite as

Coenzyme Q10 improves seminal oxidative defense but does not affect on semen parameters in idiopathic oligoasthenoteratozoospermia: A randomized double-blind, placebo controlled trial

  • A. Nadjarzadeh
  • M. R. Sadeghi
  • N. Amirjannati
  • M. R. Vafa
  • S. A. Motevalian
  • M. R. Gohari
  • M. A. Akhondi
  • P. Yavari
  • F. ShidfarEmail author
Original Articles

Abstract

Background: Several lines of evidence show the implication of oxidative stress in the etiology of male infertility. Recently, the role of coenzyme Q10 (CoQ10) in the prevention and treatment of disease has been intensively probed. However, definitive efficacy studies in oligoasthenoteratozoospermia (OAT) have not been completed yet. Aim: To evaluate the effect of CoQ10 supplementation on semen parameters in idiopathic OAT (iOAT). Material/subjects and methods: A double-blind placebo controlled clinical trial was carried out. A total of 47 infertile men with iOAT were randomly assigned to receive 200 mg CoQ10 daily or placebo during a 12-week period. Semen parameters were determined using microscopic evaluation according to World Health Organization guidelines. Lipid peroxidation was assessed by measuring the concentration of plasma malondialdehyde. We evaluated the total antioxidant capacity of seminal plasma. To compare variables between and within the 2 groups we used independent t-test and Paired t-test. Results: The trial showed non-significant changes in semen parameters of CoQ10 group. However, concentrations of thiobarbituric acid-reactive substances were significantly (p<0.05) reduced in serum of treated groups compared with the control. Furthermore, total antioxidant capacity of seminal plasma significantly increased in the CoQ10 group (p<0.05). Conclusion: Our results provide further evidence suggesting that CoQ10 supplementation is associated with alleviating oxidative stress, although it does not show any significant effects on sperm concentration, motility and morphology. It may be suggested that CoQ10 could be taken as an adjunct therapy in cases of OAT. Further studies are needed to draw a final conclusion.

Key-words

Antioxidant coenzyme Q10 male infertility oligoasthenoteratozoospermia semen parameters 

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Copyright information

© Italian Society of Endocrinology (SIE) 2011

Authors and Affiliations

  • A. Nadjarzadeh
    • 1
  • M. R. Sadeghi
    • 2
  • N. Amirjannati
    • 2
  • M. R. Vafa
    • 1
  • S. A. Motevalian
    • 3
  • M. R. Gohari
    • 4
  • M. A. Akhondi
    • 2
  • P. Yavari
    • 5
  • F. Shidfar
    • 1
    Email author
  1. 1.Department of Nutrition, Faculty of Public HealthTehran University of Medical SciencesTehranIran
  2. 2.Reproductive Biotechnology Research CenterAvicenna Research Institute (ACECR)TehranIran
  3. 3.Department of Epidemiology, Faculty of Public HealthTehran University of Medical SciencesTehranIran
  4. 4.Department of Statistics, Faculty of Management and Medical InformationTehran University of Medical SciencesTehranIran
  5. 5.Department of Nutrition, School of Nursing and MidwiferyTehran University of Medical SciencesTehranIran

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