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Long-term effects of cisplatin on renal function were investigated in 34 patients with germ cell cancer observed for a median of 65 months (range, 43 to 97 months). All patients achieved a complete remission after treatment with cisplatin (median dose 583 mg/m2), vinblastine, and bleomycin. None of the patients relapsed during follow-up. During treatment the glomerular filtration rate (GFR) decreased by 18% (P less than .05). During follow-up kidney function recovered in ten patients and partly improved in eight patients. Changes in plasma creatinine did not consistently correspond to alterations in GFR. The mean increase in systolic blood pressure during follow-up did not differ from the increase seen in a group of age-matched healthy men. The mean increase in diastolic pressure, however, was significant (P less than .05), but was entirely due to hypertension observed in six patients. Renography of these patients was normal. We conclude that the decrease in GFR observed during treatment with cisplatin is partly reversible. Cisplatin-treated patients have an increased risk of developing hypertension years after treatment.
Hansen et al. (Tue,) studied this question.