Prospective Study of Alternating Chemoradiotherapy Consisting of Extended-Field Dynamic Conformational Radiotherapy and Systemic Chemotherapy Using 5-FU and Nedaplatin for Patients in High-Risk Group With Cervical Carcinoma
- Department of Radiation Oncology, Aichi Cancer Center Hospital, Aichi (Japan)
- Department of Gynecology, Aichi Cancer Center Hospital, Aichi (Japan)
Purpose: To assess the efficacy of alternating chemoradiotherapy combined with extended-field conformal radiotherapy for patients with high-risk cervical cancer. Methods and Materials: Patients with previously untreated cervical cancer, with Stage III/IVA disease, or Stage IB/II with high-risk factor (primary tumor diameter {>=}50 mm or positive lymph node) were entered into this study. Three cycles of chemotherapy with 3,500 mg/m{sup 2} of 5-fluorouracil (5-FU) and nedaplatin (NDP) were accompanied with pelvic irradiation of 45.6-51.3 Gy in 24-27 fractions over 6 weeks. Prophylactic (36 Gy/20 fractions) or definitive (45-56 Gy) irradiation for para-aortic region was followed by pelvic irradiation. Results: Between 1998 and 2004, 40 patients were recruited for this protocol study. Eighteen patients from Phase I setting were registered. Twenty-two patients were treated with NDP of 140 mg/m{sup 2} (the recommended dose) in the Phase II segment. Twenty-five patients had T3 disease, and 25 patients had nodal disease including para-aortic involvement (n = 5). Overall/progression-free survival rates at 5 years were 78.8 and 66.5%, respectively. The median follow-up time was 61.8 months (25.5-106.7). Hematologic and gastrointestinal Grade 3 or more toxicities were relatively high rate (27.5-45%); however, they were well manageable. Two for bladder toxicity of Grade 3 were noted. Comparing the data from historical control group evaluated by magnetic resonance imaging, alternating chemoradiotherapy revealed a significant favorable factor for survival and disease recurrence in multivariate analysis (p < 0.05). Conclusion: Acquired results from our unique protocol for cervical cancer with high-risk factor were thought to be promising, considering that the majority of our cohort consisted of high-risk population.
- OSTI ID:
- 21172561
- Journal Information:
- International Journal of Radiation Oncology, Biology and Physics, Vol. 73, Issue 1; Other Information: DOI: 10.1016/j.ijrobp.2008.03.049; PII: S0360-3016(08)00574-9; Copyright (c) 2009 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input: International Atomic Energy Agency (IAEA); ISSN 0360-3016
- Country of Publication:
- United States
- Language:
- English
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