Affiliation:
1. From the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD; Dana-Farber Cancer Institute, Boston, MA; Oncology/Hematology Associates of Central Illinois, Peoria, IL; Breast Center at Baylor College of Medicine and the Methodist Hospital, Houston, TX; John Wayne Cancer Institute, Santa Monica, CA; Wake Forest Medical Center, Winston-Salem, NC
Abstract
Purpose Chemotherapy, tamoxifen, and ovarian ablation/suppression (OA/OS) are effective adjuvant approaches for premenopausal, steroid hormone receptor–positive breast cancer. The value of combined therapy has not been clearly established. Patients and Methods Premenopausal women with axillary lymph node–positive, steroid hormone receptor–positive breast cancer (1,503 eligible patients) were randomly assigned to six cycles of cyclophosphamide, doxorubicin, and fluorouracil (CAF), CAF followed by 5 years of monthly goserelin (CAF-Z), or CAF followed by 5 years of monthly goserelin and daily tamoxifen (CAF-ZT). The primary end points were time to recurrence (TTR), disease-free survival (DFS), and overall survival (OS) for CAF-Z versus CAF, and CAF-ZT versus CAF-Z. Results With a median follow-up of 9.6 years, the addition of tamoxifen to CAF-Z improved TTR and DFS but not OS. There was no overall advantage for addition of goserelin to CAF. Conclusion Addition of tamoxifen to CAF-Z improves outcome for premenopausal node-positive, receptor-positive breast cancer. The role of OA/OS alone or with other endocrine agents should be studied more intensely.
Publisher
American Society of Clinical Oncology (ASCO)
Cited by
200 articles.
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