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چکیده
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Background: Pentoxifylline is a methyl xanthine derivative that influences the sperm motion characteristics. It is commonly used in treatment of male-factor infertility, including astheno- zoospermia and Zinc is known to influence several phases of sperm life, from germ cell development to spermiation. The aim of this study was to evaluate any possible effect of a combina- tion of zinc and Pentoxifylline on sperm characteristics and To- tal antioxidant capacity and malondialdehyde levels in Seminal Plasma in a group of patients with asthenozoospermia. Materials and Methods: Ninety men with asthenozoospermia in a doubleblind, randomized clinical trial were allocated for this study. They randomized to tree groups. Group I received Pentoxifylline / and zinc, group II, Pentoxifylline, group III, zinc . pentoxifylline and zinc twice daily for duration of 3 months was administered to each patient according to grouping . Finally, we compared pre and post intervention semen param- eters of sperm, levels seminal total antioxidant capacity (TAC) and malondialdehyde levels (MDA) in all the specimen by fer- ric-reducing ability of plasma assay (FRAP) and tiobarbiotic acid (TBA) methods, respectively. Data was analyzed statisti- cally using one-way ANOVA and Tukey’s test . Results: Pentoxifylline and zinc increased significantly the mean sperm motility, count and normal morphology in the Pen- toxifylline and zinc treated groups when compared to pre-ad- ministration. The mentioned parameters increased significantly in the Pentoxifylline + Zinc group in comparison with Pentoxi- fylline and Zinc groups. Based on the results, mean concentra- tion ( ± S.D) of TAC in the seminal plasma was significantly increased in the groups of pentoxifylline, zinc, and pentoxifyl- line + zinc compared to pre-administration. Moreover, MDA levels in seminal plasma of patients with asthenozoospermia decreased significantly compared to before administration in the groups of pentoxifylline, zinc, and pe
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