Annals of Oncology 10:289-293, 1999
© 1999 European Society for Medical Oncology
research-article |
BOMP/EPI intensive alternating chemotherapy for IGCCC poor-prognosis germ-cell tumors: The Spanish Germ-Cell Cancer Group experience (GG)
1Institut Català d Òncologia; Barcelona
2Hospital de la Santa Creu i Sant Pau Barcelona
3Hospital Nuestra Sra, de Ar{acute}nzazu, San Sebasti{acute}n Valencia
4Hospital La Fe Valencia
5Hospital Clinico Universitario de Málaga Badalona, Spain
6Hospital Germans Trias i Pujol Badalona, Spain
Background: Patients with poor-prognosis germ-cell tumors according to the IGCCC have a poor long-term survival. This study evaluates the efficacy and toxicity of the intensive alternating chemotherapy regimen BOMP/EPI in these patients.
Patients and methods: Patients with IGCCC poor-prognosis germ-cell tumors treated at 13 centres were studied. Treatment consisted of bleomycin 30 mg, vincristine 2 mg, methotrexate 300 mg/m2 and cisplatin 100 mg/m2 (BOMP), alternating after a 14-day interval with etoposide 120 mg/m2 day 1-4, ifosfamide 1.3 g/m2 day 14 and cisplatin 25 mg/m2 day 14 (EPI). BOMP was administered 21 days after the EPI. Bleomycin was administered weekly per 12 weeks.
Results: Thirty-eight patients were treated. The median number of cycles administered was 7 (110 cycles). Eighteen patients achieved complete responses with chemotherapy alone (12 had necrosis and 2 mature teratoma at postchemotherapy resection), and four achieved complete responses with chemotherapy and surgical resection of viable cancer. Thus, an overall favorable response was achieved in 22 patients (60%). Four additional patients had marker-negative non-resected residual masses. Eleven patients were considered treatment failures, including one who died early and another who succumbed to granulocytopenic sepsis and renal failure. Hematologic toxicity was the most common, with 26 patients (70%) having grade 4 granulocytopenia. After a median follow-up of 41 months, the actuarial two-year overall survival and progression-free survival were 64% and 58%, respectively.
Conclusion: BOMP/EPI is active in poor-prognosis germ-cell tumors according to the IGCCC criteria. The results obtained compare favorably with those expected with conventional chemotherapy, and justify further studies.
BOMP/EPI, germ-cell, tumor, poor-prognosis, testicular cancer
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