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A randomised controlled trial of adjuvant hormono-chemotherapy in Stage II breast cancer
Authors:S Holt  S Bradley  B A De Sousa  T G Cooke  S J Leinster  W D George
Institution:University Department of Surgery, Royal Liverpool Hospital.
Abstract:From 1979 to 1984 women with histologically proven Stage II breast cancer were entered into a randomised controlled trial of adjuvant hormono-chemotherapy following mastectomy. Adjuvant therapy was started within 2 weeks of surgery and was given for 6 months as continuous 'Tamoxifen' and 6-monthly cycles of vincristine, adriamycin and cyclophosphamide (VAC). Of the 157 women randomised 82 were assigned to the control group and 75 to the adjuvant group. Comparing the two groups by life table analysis the rate of recurrence was found to be significantly greater in the control group (n = 46) than in the adjuvant group (n = 25) (Peto log rank test chi 2 = 7.46 P less than 0.01). Although there were more deaths amongst the control patients (n = 31) than in those randomised to receive adjuvant therapy (n = 18), this difference did not achieve statistical significance (chi 2 = 2.80 P less than 0.1). This analysis has shown that although adjuvant hormono-chemotherapy may significantly delay recurrence the trial has failed to demonstrate any significant improvement in the survival of women with Stage II breast cancer following mastectomy.
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