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J Natl Cancer Inst. 1989 Oct 4;81(19):1464-71.

Randomized trial in advanced ovarian cancer comparing cisplatin and carboplatin.

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  • 1Clinica Ostetrico Ginecologica, Ospedale S. Gerardo, Universit√° di Milano, Milan, Italy.


The aim of this multicenter randomized trial was to compare carboplatin (400 mg/m2) and cisplatin (100 mg/m2) in patients with untreated advanced epithelial ovarian cancer. Toxicity and treatment efficacy assessed by pathological response rate, progression-free survival, and survival were the endpoints of the study. One hundred seventy-three patients with advanced epithelial ovarian cancer, F.I.G.O. (International Federation of Gynecology and Obstetrics) stage III and IV were accrued in the trial. The median follow-up time was 15 months (maximum, 34); three patients in each treatment arm were not eligible (four, nonepithelial ovarian cancer type; one, no data, and one, stage II). Patient characteristics were similar in the two groups. In the carboplatin-treatment arm, the overall pathological response rate was 57.3% and the complete pathological response rate was 26.8%. In the cisplatin-treatment arm, the overall pathological response rate was 71.6% and the complete pathological response rate was 24.7%. There was no statistical difference in the two arms in survival or progression-free survival. Cisplatin was more nephrotoxic while carboplatin induced a higher degree of myelosuppression, especially thrombocytopenia; however, severe hematological toxicity was seldom observed. Carboplatin is a cisplatin analog with definite activity in ovarian cancer, but it is more active than the parent compound. Because of less nonhematological toxicity, carboplatin is undoubtedly a useful substitute in patients who cannot be given cisplatin. Further experience is needed to indicate whether or not carboplatin should completely displace cisplatin in the clinical treatment of ovarian cancer.

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