期刊
JOURNAL OF CANCER RESEARCH AND THERAPEUTICS
卷 17, 期 1, 页码 51-55出版社
WOLTERS KLUWER MEDKNOW PUBLICATIONS
DOI: 10.4103/jcrt.JCRT_774_16
关键词
Anal cancer; chemoradiotherapy; intensity-modulated radiation therapy; volumetric-modulated arc therapy
类别
The retrospective analysis of anal canal cancer patients treated with IMRT or VMAT shows that this approach reduces acute toxicities while maintaining high rates of complete response, colostomy-free survival, disease-free survival, and overall survival.
Aims: To evaluate the results of chemoradiation with intensity-modulated radiation therapy (IMRT) or volumetric-modulated arc therapy (VMAT) for the treatment of anal canal cancer patients at three institutions that had advanced devices. Materials and Methods: A retrospective analysis was performed for patients treated with 5-fluorouracil and mitomycin-based chemotherapy and IMRT or VMAT for anal cancer from 2011 to 2013. Complete response (CR) rates, colostomy-free survival (CFS), disease-free survival (DFS), overall survival (OS), and toxicities were investigated. Toxicities were evaluated with the Common Terminology Criteria for Adverse Events, Version 3.0. Results: Fifteen patients were included in the analysis. The majority of patients had T2 (53.3%) and N0 (40%) disease according to the staging system that was developed by the American Joint Committee on Cancer. CR was observed in 14 patients (93%), and the median follow-up was 26 months (13-42 months). The 3-year CFS, DFS, and OS were 86%, 86%, and 88%, respectively. Acute Grade 3 toxicities were observed as 6% of hematological, 26% of gastrointestinal, and 26% of dermatological. Conclusion: Early results confirm that IMRT or VMAT for anal cancer treatment reduces acute toxicities while maintaining high control rates.
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