Breast cancer research and treatment · 1996
Does induction chemotherapy with a mitoxantrone/vinorelbine regimen allow a breast-conservative treatment in patients with operable locoregional breast cancer? A French Northern Oncology Group trial in 105 patients. French Northern Oncology Group.
Клиническое исследованиеКлиническое исследование II фазыСтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Adenis A, Vanlemmens L, Fournier C, Hecquet B, Bonneterre J
Аннотация
BACKGROUND: In recent years, induction chemotherapy has been tested by several investigators in the management of operable breast cancer.
PATIENTS AND METHODS: Our current study was aimed to evaluate, pragmatically, in patients (74 stage II and 30 stage III) whose treatment would have been mastectomy, the percentage of them in whom a conservative treatment can be performed if primarily treated with a mitoxantrone/vinorelbine regimen.
RESULTS: 67/104 patients (64%; 95% CI: 55-74%) had a conservative treatment (lumpectomy: 54, radiation therapy: 12, radiation therapy then lumpectomy: 1) Neutropenia was the major dose-limiting side effect, with grade 3 or 4 neutropenia registered in 83% of patients and 53.3% of the 442 cycles. Overall, a grade 3 or 4 non hematologic side effect occurred in 19.8% of patients and in 9.1% of cycles. One toxic death was observed after 2 cycles in a patient with aplasia who developped septicemia. Seventy one per cent of the patients experienced nausea and vomiting but grade 3 were observed in only 12% of the patients. Other side effects, including stomatitis, asthenia, alopecia, and constipation, were generally mild and uncommon.
CONCLUSIONS: This mitoxantrone/vinorelbine regimen is an efficient induction treatment with only neutropenia as a noticeable side effect. It allows 64% of conservative treatment in patients whose treatment would have been mastectomy.
PATIENTS AND METHODS: Our current study was aimed to evaluate, pragmatically, in patients (74 stage II and 30 stage III) whose treatment would have been mastectomy, the percentage of them in whom a conservative treatment can be performed if primarily treated with a mitoxantrone/vinorelbine regimen.
RESULTS: 67/104 patients (64%; 95% CI: 55-74%) had a conservative treatment (lumpectomy: 54, radiation therapy: 12, radiation therapy then lumpectomy: 1) Neutropenia was the major dose-limiting side effect, with grade 3 or 4 neutropenia registered in 83% of patients and 53.3% of the 442 cycles. Overall, a grade 3 or 4 non hematologic side effect occurred in 19.8% of patients and in 9.1% of cycles. One toxic death was observed after 2 cycles in a patient with aplasia who developped septicemia. Seventy one per cent of the patients experienced nausea and vomiting but grade 3 were observed in only 12% of the patients. Other side effects, including stomatitis, asthenia, alopecia, and constipation, were generally mild and uncommon.
CONCLUSIONS: This mitoxantrone/vinorelbine regimen is an efficient induction treatment with only neutropenia as a noticeable side effect. It allows 64% of conservative treatment in patients whose treatment would have been mastectomy.