Medline: 1835850

European Journal of Cancer 27(11): 1367-1372, 1991.

Long-term survival in ovarian cancer: mature data from the Netherlands Joint Study Group for ovarian cancer.

Neijt JP, ten Bokkel Huinink WW, van der Burg ME, et al.

Abstract:

In two studies initiated in 1979 and 1981, 377 patients were treated for advanced epithelial ovarian cancer. In the first study patients were randomly assigned to receive Hexa-CAF (hexamethylmelamine, cyclophosphamide, methotrexate, 5-fluorouracil) or CHAP-5 (cyclophosphamide, hexamethylmelamine, doxorubicin, cisplatin for 5 days) and in the second study to receive CHAP-5 or CP (cyclophosphamide, cisplatin on 1 day). Patients who did not respond to Hexa-CAF were offered subsequent treatment that included cisplatin. Median follow-up of patients in the first study was 9.5 years and in the second study 7.7 years. At 10 years 9% of the patients initially treated with Hexa-CAF and 21% of patients assigned to CHAP-5 were alive. Among the 10-year survivors treated with Hexa-CAF, 50% had experienced progressive disease but were alive as a result of retreatment with a cisplatin regimen. The survival curves of both studies revealed that approximately 60% of the patients who reached a complete remission were alive at 5 years and 40% at 10 years. Patients with microscopic disease at second-look had a less favourable outlook: 35% survived 5 years. Not recognised at first publication of both studies was the influence of tumour grade on survival. Before 5 years of follow-up, the good prognosis of grade 1 tumours (well differentiated) could not be detected. About 50% of patients with grade 1 tumours were alive at 5 and 30% at 10 years while these survival rates were halved for the other grades. Combination chemotherapy with cisplatin can enhance survival by more than 10% at 5 and 10 years compared with the best treatment of the precisplatin era: Hexa-CAF.


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