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  • Title: A phase II study of intensive-dose epirubicin/verapamil as induction therapy followed by intensive-dose ifosfamide for advanced breast cancer.
    Author: Langenbuch T, Mross K, Jonat W, Hossfeld DK.
    Journal: Cancer Chemother Pharmacol; 1990; 26 Suppl():S93-6. PubMed ID: 2347058.
    Abstract:
    Preliminary data of an ongoing phase II-study in metastatic breast cancer patients are presented. Patients with metastatic breast cancer entered the study after hormone therapy had failed; prior treatment with cyclophosphamide, methotrexate and 5-fluorouracil (CMF) was also allowed. The patients were treated with three cycles of 40 mg/m2 epirubicin i.v. on days 1-3 and 4 x 120 mg oral verapamil on days 0-3, given every 3-4 weeks. After three chemotherapy courses, ifosfamide was given as a short infusion of 3 g/m2 on days 1-3. Mesna (20% of the total ifosfamide dose) was given 0, 4 and 8 h after ifosfamide administration. Response was evaluated after three cycles of epirubicin/verapamil and after the last (third) cycle of ifosfamide. The side effects of this treatment were tolerable. The epirubicin/verapamil combination was no more toxic than epirubicin alone. Despite the high dose of verapamil, systolic blood pressure remained above 80 mm Hg, and patients never had a period of strict bed rest. Alopecia was almost complete after induction therapy with epirubicin/verapamil, and nausea and vomiting were absent or mild during epirubicin/verapamil chemotherapy and were easily controlled by antiemetics during ifosfamide treatment. Stomatitis and mucositis, the main toxic effects, could be ameliorated by intensive mouth-washing procedures. The haematological toxicity was greater after epirubicin/verapamil treatment than after ifosfamide therapy, but neither bleeding nor infections due to thrombocytopenia or leucopenia were observed.
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