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Title: Intensive induction-sequential chemotherapy with BOP/VIP-B compared with treatment with BEP/EP for poor-prognosis metastatic nonseminomatous germ cell tumor: a Randomized Medical Research Council/European Organization for Research and Treatment of Cancer study.
Author: Kaye SB, Mead GM, Fossa S, Cullen M, deWit R, Bodrogi I, van Groeningen C, Sylvester R, Collette L, Stenning S, De Prijck L, Lallemand E, deMulder P.
Journal: J Clin Oncol; 1998 Feb; 16(2):692-701. PubMed ID: 9469359.
Abstract:
PURPOSE: The aim of this randomized trial was to assess the potential therapeutic advantage of an intensive induction-sequential chemotherapy schedule (bleomycin, vincristine, cisplatin [BOP])/etoposide, ifosfamide, cisplatin, and bleomycin [VIP-B]), compared with a regimen based on bleomycin, etoposide, and cisplatin (BEP) (BEP/etoposide and cisplatin [EP]) for the treatment of patients with poor-prognosis metastatic nonseminomatous germ cell tumors (NSGCTs). PATIENTS AND METHODS: Patients had one or more of the following: a retroperitoneal mass > or = 10 cm in diameter; mediastinal or supraclavicular mass > or = 5 cm in diameter; at least 20 lung metastases (any size); liver, bone, or brain metastases; and serum beta human chorionic gonadotropin (betaHCG) > or = 10,000 IU/L or alfa fetoprotein (AFP) > or = 1,000 IU/L. A total of 380 patients were accrued between May 1990 and June 1994 into this joint Medical Research Council (MRC)/European Organization for Research and Treatment of Cancer (EORTC) trial; of these, nine patients were deemed ineligible. RESULTS: There was no significant difference between the two arms in the proportion of patients who achieved a complete response (CR) with chemotherapy alone, ie, 79 of 185 assessable patients (57%) with BEP/EP and 72 of 186 (54%) with BOP/VIP-B (P = 0.687). With a median follow-up of 3.1 years (maximum, 5.8), a total of 107 patients (28%) had progressive disease. There was no significant difference in time to first disease progression, or failure-free or overall survival between the two arms (P = 0.21, 0.101, and 0.190, respectively). The 1-year failure-free survival rates for BEP/EP and BOP/VIP-B were 60% (95% confidence interval [CI], 53% to 67%) and 53% (95% CI, 47% to 61%). Grade 3 or 4 myelosuppression, febrile neutropenia, and weight loss were more pronounced with BOP/VIP-B than with BEP/EP, and there were more toxic deaths with BOP/VIP-B than BEP/EP (18 [9%] v nine [5%]). CONCLUSION: The intensive BOP/VIP-B therapy was associated with more toxicity, but there was no evidence of an improvement in response rate or survival compared with treatment with BEP/EP.

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