Breast cancer (Tokyo, Japan) · 2000
High dose chemotherapy as adjuvant treatment in operable breast cancer with 10 or more involved axillary lymph nodes.
Клиническое исследованиеСтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Shiba E, Akazawa K, Kim S J, Taguchi T, Tsukamoto F, Ogawa H, Furukawa J, Yamamoto H, Noguchi S
Аннотация
BACKGROUND: it is well known that breast cancer patients with more than 10 axillary lymph nodes involved have poor prognosis even with extensive adjuvant chemotherapy. To improve this poor outcome, high-dose adjuvant chemotherapy has been applied to the these patients. This study was intended to clarify the efficacy and usefulness of high dose adjuvant chemotherapy (HDC) for high-risk breast cancer patients and its efficacy was compared with conventional adjuvant chemotherapy (non-HDC group).
PATIENTS AND METHODS: Twelve patients with breast cancer involving more than 10 axillary nodes received high-dose chemotherapy with peripheral progenitor-stem cell transplantation (PBSCT). This regimen consists of BCNU (carmustine) 130 mg/m(2) x 3, CBDCA (carboplantin) 500 mg/m(2) x 3 and CPA (chyclophosphamide) 50 mg/kgx 2 after induction chemotherapy with 3 cycles of CE (chyclophosphamide 600 mg/m(2), epirubicin 60 mg/m(2)).
RESULTS: Twelve patients completed the high-dose chemotherapy regimen as planned, no patient died of chemotherapy related toxicity. After a median follow-up period of 44 months, disease-free and overall survival at 48 months after the operation for 12 patients determined by Kaplan-Meier methods was 63 % and 83 %, respectively. Disease-free survival was superior in the high-dose chemotherapy group compared with the control group but a statistical difference was not observed.
CONCLUSION: High-dose chemotherapy seems to be an effective and feasible treatment for high-risk breast cancer patients. However, the usefulness of high-dose adjuvant chemotherapy for high-risk breast cancer patients should be confirmed by a large-scale randomized trial.
PATIENTS AND METHODS: Twelve patients with breast cancer involving more than 10 axillary nodes received high-dose chemotherapy with peripheral progenitor-stem cell transplantation (PBSCT). This regimen consists of BCNU (carmustine) 130 mg/m(2) x 3, CBDCA (carboplantin) 500 mg/m(2) x 3 and CPA (chyclophosphamide) 50 mg/kgx 2 after induction chemotherapy with 3 cycles of CE (chyclophosphamide 600 mg/m(2), epirubicin 60 mg/m(2)).
RESULTS: Twelve patients completed the high-dose chemotherapy regimen as planned, no patient died of chemotherapy related toxicity. After a median follow-up period of 44 months, disease-free and overall survival at 48 months after the operation for 12 patients determined by Kaplan-Meier methods was 63 % and 83 %, respectively. Disease-free survival was superior in the high-dose chemotherapy group compared with the control group but a statistical difference was not observed.
CONCLUSION: High-dose chemotherapy seems to be an effective and feasible treatment for high-risk breast cancer patients. However, the usefulness of high-dose adjuvant chemotherapy for high-risk breast cancer patients should be confirmed by a large-scale randomized trial.