Pentoxifylline vaginal gel improves sperm motility and vitality in asthenozoospermic males: A randomized, blinded, in vitro study

The PKB171 4% gel significantly improves progressive motility and preserves sperm vitality in sperm samples from asthenozoospermic males. These promising <i>in vitro</i> findings require further clinical investigation to confirm the potential benefits in infertile couples with male infertility.