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  • Title: [Clinical study of modified M-VAC therapy with one 21-day cycle for advanced urothelial cancer].
    Author: Nakanishi S, Matsuzaki M, Morikawa H, Nakano M, Komatsu H.
    Journal: Hinyokika Kiyo; 2004 Oct; 50(10):667-71. PubMed ID: 15575216.
    Abstract:
    Although M-VAC therapy is a standard chemotherapy for advanced transitional cell carcinoma, the treatment schedule has to be delayed or cancelled in many patients because of the toxicity. To reduce the toxicity we modified the treatment schedule of M-VAC treatment. The dosages of this simplified M-VAC therapy were 30 mg/m2 methotrexate (on day 1), 3 mg/m2 vinblastine (on day 2), 30 mg/m2 doxorubicin (on day 2) and 70 mg/m2 cisplatin (on day 2), with courses repeated every 21 days for four cycles as a principle. Seventeen patients with histologically proven advanced transitional cell carcinoma were treated with this simplified M-VAC therapy without dose modification or delay. The median number of cycles was 4. Neutropenia, anemia and thrombopenia (grade 4) was observed in 2, 1 and 2 patients respectively, but no drug-related deaths were observed. Complete response and partial response were achieved in 2 (12%) and 10 (59%) patients respectively. Of 2 complete responders one patient was alive without evidence of disease at 12 months and another patient died of the disease at 42 months. Of 10 partial responders 6 patients underwent the additional surgical resection of residual tumors. Of these 6 patients 3 patients are alive without evidence of disease at 6, 30 and 31 months. The remaining 3 developed recurrence and 2 died of the disease at 13 and 29 months. Five non-responders died of the disease at 5 months after the start of the therapy. Response rate of simplified M-VAC therapy was excellent and treatment duration was short. However, relapses were commonly observed as well as the original M-VAC treatment.
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