Randomized Controlled Trial Comparing Oral Doxifluridine Plus Oral Cyclophosphamide With Doxifluridine Alone in Women With Node-Positive Breast Cancer After Primary Surgery
2003
Purpose: We compared the therapeutic usefulness of doxifluridine (5′-DFUR) alone and a combination of 5′-DFUR plus cyclophosphamide (CPM), both of which are considered effective against advanced and recurrent breast cancer, to determine which treatment is more beneficial as postoperative adjuvant chemotherapy. Patients and Methods: A total of 1,131 women with node-positive primary breast cancer were randomly assigned after primary surgery to receive 5′-DFUR alone or 5′-DFUR plus CPM. All patients initially received 5′-DFUR in an oral dose of 1,200 mg/d for 4 weeks, starting 4 weeks after surgery. Chemotherapy was then not given for 2 weeks. Patients in the 5′-DFUR group subsequently received five 4-week cycles of treatment consisting of oral 5′-DFUR (1,200 mg/d) for the first 2 weeks and no chemotherapy for the next 2 weeks. Those assigned to the 5′-DFUR plus CPM group also received oral CPM 100 mg/d for the first 2 weeks and no chemotherapy for the next 2 weeks. Women 50 years or older concurrently recei...
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