Japanese journal of clinical oncology · 1998
Cyclophosphamide, adriamycin, 5-fluorouracil and high-dose toremifene for patients with advanced/recurrent breast cancer. The Japan Toremifene Cooperative Study Group.
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Tominaga T, Nomura Y, Uchino J, Hirata K, Kimura M, Yoshida M, Aoyama H, Kinoshita H, Koyama H, Monden Y, Takashima S, Ogawa M
Аннотация
BACKGROUND: Multi-combination chemotherapy consisting of anthracyclines has been effective but has not invariably prolonged the survival period in advanced/recurrent breast cancer. The possibility has been discussed that chemoendocrine therapy combined with endocrine agents is more effective.
METHODS: In order to evaluate the toxicity and efficacy of a new endocrine therapy for advanced/recurrent breast cancer, we ran a pilot study during the period from July 1994 to July 1996.
RESULTS: Twenty-two patients with advanced/recurrent breast cancer were treated with chemoendocrine therapy consisting of cyclophosphamide (100 mg/body) p.o. daily for 14 days, with adriamycin (40 mg/m2) i.v. and 5-fluorouracil (500 mg/body) i.v. on day 1 (repeated every 3 weeks for 9 weeks) (CAF therapy), and high-dose toremifene (120 mg/body) p.o. daily. Of 20 evaluable patients, two showed complete response (10%), eight partial response (40%), six no change (30%) and four progressive disease (20%). The overall response rate was 50%, and the median duration of response was 69.5 days (28-133+ days). The major toxicities were drug-induced alopecia, gastrointestinal toxicity and hematological toxicity, but these were clinically well tolerated. No serious cardiac, liver or renal symptom was seen.
CONCLUSIONS: Based on these results, we consider the addition of high-dose toremifene to the CAF therapy to be useful in the treatment of advanced and recurrent breast cancer.
METHODS: In order to evaluate the toxicity and efficacy of a new endocrine therapy for advanced/recurrent breast cancer, we ran a pilot study during the period from July 1994 to July 1996.
RESULTS: Twenty-two patients with advanced/recurrent breast cancer were treated with chemoendocrine therapy consisting of cyclophosphamide (100 mg/body) p.o. daily for 14 days, with adriamycin (40 mg/m2) i.v. and 5-fluorouracil (500 mg/body) i.v. on day 1 (repeated every 3 weeks for 9 weeks) (CAF therapy), and high-dose toremifene (120 mg/body) p.o. daily. Of 20 evaluable patients, two showed complete response (10%), eight partial response (40%), six no change (30%) and four progressive disease (20%). The overall response rate was 50%, and the median duration of response was 69.5 days (28-133+ days). The major toxicities were drug-induced alopecia, gastrointestinal toxicity and hematological toxicity, but these were clinically well tolerated. No serious cardiac, liver or renal symptom was seen.
CONCLUSIONS: Based on these results, we consider the addition of high-dose toremifene to the CAF therapy to be useful in the treatment of advanced and recurrent breast cancer.