Pushing the envelope: the role of radiation therapy in non-muscle-invasive bladder cancer
AffiliationChristie Hospital, Manchester
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AbstractThe standard of care for non-muscle-invasive bladder cancer (NMIBC) is transurethral resection followed by risk stratified use of intravesical immune- or chemotherapy and for multifocal, recurrent and high grade disease, radical cystectomy with high rates of cure. Bladder preservation analogous to the trimodality therapy approach in muscle-invasive bladder cancer (MIBC) has not been adequately explored but the available data suggests that NMIBC is a radioresponsive malignancy and that in a proportion of patients bladder preservation would be possible. Combination modality with chemotherapy, hypoxia sensitisation, hyperthermia and immunotherapy are all approaches which have been shown effective. Unfortunately the quality of the available data is poor. Although there are many putative prognostic biomarkers for progression in NMIBC none have emerged in clinical use and there are none predictive for response to non-surgical treatment. This would be an important component of future large scale studies to evaluate the precise role of radiotherapy within a multimodality schedule for bladder reservation in NMIBC.
CitationKombathula SH, Hoskin P. Pushing the Envelope: The Role of Radiation Therapy in Non-muscle-Invasive Bladder Cancer. Seminars in radiation oncology. 2023 Jan;33(1):21-5. PubMed PMID: 36517190. Epub 2022/12/15. eng.
JournalSeminars in Radiation Oncology
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