Radiotherapy can significantly improve survival outcomes in patients with muscle-invasive bladder cancer who are unsuitable for cystectomy or chemoradiotherapy.

IF 3.6 3区 医学 Q2 ONCOLOGY
American journal of cancer research Pub Date : 2025-02-15 eCollection Date: 2025-01-01 DOI:10.62347/XLPX5541
Nai-Wen Kang, Kuei-Li Lin, Kai-Yuan Lin, Yin-Hsun Feng, Chung-Han Ho, Yi-Chen Chen, Ching-Chieh Yang
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引用次数: 0

Abstract

Radical cystectomy and bladder preservation therapy are effective for muscle-invasive bladder cancer (MIBC); however, many patients over 70 are medically unfit for these options. For such patients, radiotherapy serves as a viable alternative. This study compares survival outcomes of radiotherapy versus supportive care in MIBC patients ineligible for cystectomy or bladder preservation with concurrent chemoradiotherapy. Using the Taiwan Cancer Registry and National Health Insurance Research Database (2011-2020), we identified patients with cT2-T4N0-1M0 urinary bladder urothelial carcinoma. Patients were excluded if they had undergone cystectomy or chemotherapy. Patients received either radiotherapy or supportive care, with endpoints of overall survival (OS) and cancer-specific survival (CSS) analyzed by Kaplan-Meier and multivariate Cox regression. Among 485 MIBC patients, 301 (62%) received radiotherapy, and 184 (38%) supportive care. After 13.93 months of median follow-up, radiotherapy significantly improved OS and CSS (P<0.001). Mortality rates were 26.9% for radiotherapy and 76.1% for supportive care at one year, and 59.5% vs. 94.0% at three years. OS and CSS benefits were confirmed for stages II-IV (adjusted hazard ratios: 5.47, 3.23, and 12.44, respectively), with T3, T4, N1, and chronic obstructive pulmonary disease (COPD) predicting worse OS. In conclusion, radiotherapy offers superior survival benefits compared to supportive care in MIBC patients who are unfit for cystectomy or chemoradiotherapy. These findings provide valuable insights for clinicians in making treatment decisions, particularly for elderly or medically unfit patients with early or locally advanced-stage MIBC.

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来源期刊
自引率
3.80%
发文量
263
期刊介绍: The American Journal of Cancer Research (AJCR) (ISSN 2156-6976), is an independent open access, online only journal to facilitate rapid dissemination of novel discoveries in basic science and treatment of cancer. It was founded by a group of scientists for cancer research and clinical academic oncologists from around the world, who are devoted to the promotion and advancement of our understanding of the cancer and its treatment. The scope of AJCR is intended to encompass that of multi-disciplinary researchers from any scientific discipline where the primary focus of the research is to increase and integrate knowledge about etiology and molecular mechanisms of carcinogenesis with the ultimate aim of advancing the cure and prevention of this increasingly devastating disease. To achieve these aims AJCR will publish review articles, original articles and new techniques in cancer research and therapy. It will also publish hypothesis, case reports and letter to the editor. Unlike most other open access online journals, AJCR will keep most of the traditional features of paper print that we are all familiar with, such as continuous volume, issue numbers, as well as continuous page numbers to retain our comfortable familiarity towards an academic journal.
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