Chronic gonadal toxicity in patients with testicular cancer after chemotherapy.

Forty-five patients with disseminated testicular cancer treated with cisplatin, vinblastine and bleomycin +/- adriamycin (PVB +/- A) were studied to establish the impact of chemotherapy on hormonal and reproductive functions. Data on FSH, LH, testosterone, prolactin, semen analyses and sexual functions were obtained before, during and 1-6 yr after chemotherapy. Mean LH, testosterone and prolactin levels were within normal limits before, during and after chemotherapy. Twenty per cent (4/20) of the patients revealed pathologically elevated FSH levels due to pretreatment gonadal dysfunction. Germinal aplasia occurred in all patients in the first year after chemotherapy, as 100% rendered azoospermic and 95% showed statistically significant elevated FSH values (P = 0.001). In the third year after chemotherapy 80% (8/10) of the patients showed normalization of FSH levels and 100% (7/7) recovery of sperm production but with a high degree of immotile sperms. Although these results emphasize the restitution of spermatogenesis in the third year after cessation of PVB-regimen, the minority of these patients fathered children, probably due to reduced sperm motility.