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  • Title: Multimodal treatment of locally advanced cervical cancer.
    Author: Dueñas-González A, Cetina-Pérez L, Oñate-Ocaña LF, Rivera L, Lopez-Graniel C, González-Enciso A, Candelaria M, Mohar A.
    Journal: Arch Med Res; 2005; 36(2):129-35. PubMed ID: 15847945.
    Abstract:
    BACKGROUND: Radiation therapy with concomitant chemotherapy is the standard treatment for locally advanced cervical cancer. In Mexico, most patients are still treated with radiation therapy alone. The aim of this work was to demonstrate that results obtained with combined treatments in the Mexican population are similar to those reported in the literature. METHODS: Survival was analyzed in three sequential phase II studies of combined treatment: neoadjuvant chemotherapy followed by surgery (NEOCT+Sx) -February to July 1999; concomitant chemoradiotherapy (CT/RT) -August to December 1999; and neoadjuvant chemotherapy followed by surgery plus adjuvant chemoradiotherapy (NEOCT+Sx+CT/RT) -December 2000 to June 2001. These results were compared with a historical control group treated with radiation therapy alone between September and December 1998. The Kaplan-Meier product-limit method, log-rank test and Cox proportional hazards model were used for analysis. RESULTS: Results showed that the three combined modalities significantly reduced the risk of death. Treatment with NEOCT+Sx reduced the risk to 0.452 (95% CI 0.246-0.830), p=0.010. The risk reduction with CT/RT was 0.408 (95% CI 0.218-0.762), p=0.005, and for the group of patients receiving NEOCT+Sx+CT/RT risk was reduced to 0.365 (95% CI 0.169-0.787), p=0.010. The corresponding absolute survival benefit was 14% for patients in stages IB2-IIA, 24% for IIB, and 21% for stage IIIB. CONCLUSIONS: Within the limitations of a non-randomized study, our results are in agreement with those obtained from published randomized phase III trials which state that radiation therapy alone is a suboptimal treatment for locally advanced cervical cancer; hence, patients should receive cisplatin-based chemoradiotherapy as a standard treatment.
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