Abstract Title:

The impact of two doses of coenzyme Q10 on semen parameters and antioxidant status in men with idiopathic oligoasthenoteratospermia.

Abstract Source:

Clin Exp Reprod Med. 2019 Aug 14. Epub 2019 Aug 14. PMID: 31408928

Abstract Author(s):

Ahmed T Alahmar

Article Affiliation:

Ahmed T Alahmar


Objective: Oxidative stress contributes to male infertility, and antioxidants have been recommended for treating idiopathic oligoasthenoteratospermia (OAT). There is, however, a lack of agreement on the type, dosing, and use of individual antioxidants or combinations thereof. The purpose of this study was to compare the effects of two doses of coenzyme Q10 (CoQ10) on semen parameters and antioxidant status in men with idiopathic OAT.

Methods: In this prospective study, patients with idiopathic OAT received 200 mg/day (n = 35) or 400 mg/day (n = 30) of CoQ10 orally for 3 months. All patients underwent semen analysis according to the fifth editions of the World Health Organization criteria. Total antioxidant capacity (TAC), catalase (CAT) activity, and superoxide dismutase (SOD) activity were measured both before and after treatment.

Results: Treatment with CoQ10 (200 mg/day or 400 mg/day) resulted in a significant increase in sperm concentration from baseline (8.22± 6.88 to 12.53 ± 8.11 million/mL, p= 0.019; 7.58 ± 5.41 to 12.33 ± 6.1 million/mL, p= 0.002, respectively), progressive motility (16.54% ±9.26% to 22.58% ±10.15%, p=0.011; 14.22% ±12.85% to 26.1% ±14.52%, p= 0.001, respectively), and total motility (25.68% ± 6.41% to 29.96% ± 8.09%, p= 0.016; 23.46% ± 12.59% to 34.82% ± 14.17%, p= 0.001, respectively). CoQ10 therapy also increased TAC (p= 0.009, p= 0.001, respectively), SOD activity (p= 0.004, p= 0.001, respectively), and CAT activity (p= 0.039, p= 0.024, respectively). Furthermore, antioxidant measures correlated significantly with seminal fluid parameters (r = 0.36-0.76).

Conclusion: CoQ10 supplementation improved semen parameters and antioxidant status in men with idiopathic OAT, with a greater improvement shown in men who took 400 mg/day than in those who took 200 mg/day.

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