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  • Title: Postoperative adjuvant therapy with tamoxifen, tegafur plus uracil, or both in women with node-negative breast cancer: a pooled analysis of six randomized controlled trials.
    Author: Noguchi S, Koyama H, Uchino J, Abe R, Miura S, Sugimachi K, Akazawa K, Abe O.
    Journal: J Clin Oncol; 2005 Apr 01; 23(10):2172-84. PubMed ID: 15800310.
    Abstract:
    PURPOSE: This article reports the results of a pooled analysis of six randomized trials conducted to study the efficacy of uracil and tegafur (UFT) in the adjuvant treatment of node-negative breast cancer patients. PATIENTS AND METHODS: Six randomized controlled trials on node-negative breast cancer patients were conducted from 1992 through 1995 in Japan that included the three, three-arm trials (control [no adjuvant], UFT, and tamoxifen [TAM] groups) and the three, four-arm trials (control, UFT, TAM, and UFT plus TAM groups). Pooled analysis was performed on the data obtained from these six trials (involving 2,934 patients). RESULTS: Overall survival was compared between the UFT group (including both the UFT group and the TAM plus UFT group) and the non-UFT group (control group and TAM group). A significant difference (P = .04) was observed in 5-year survival rates between the UFT (95.9%) and the non-UFT (94.0%) groups. Overall survival was also compared between the TAM group (TAM group and TAM plus UFT group) and the non-TAM group (control group plus UFT group). The 5-year survival rate (95.2%) in the TAM group was not significantly different from that (93.9%) in the non-TAM group, but the subset analysis showed a significant (P = .01) improvement in the estrogen receptor-positive subset. CONCLUSION: Adjuvant UFT improves the overall survival of node-negative breast cancer patients. Given that UFT has milder adverse effects, it is suggested that UFT can be a useful alternative to doxorubicin and cyclophosphamide, or cyclophosphamide, methotrexate, and fluorouracil in the adjuvant treatment for node-negative breast cancer.
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