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Critical analysis of bladder sparing with trimodal therapy in muscle-invasive bladder cancer : a systematic review
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Ploussard, Guillaume, Daneshmand, Siamak, Efstathiou, Jason A., Herr, Harry W., James, Nicholas D., Rödel, Claus M., Shariat, Shahrokh F., Shipley, William U., Sternberg, Cora N., Thalmann, George N. and Kassouf, Wassim (2014) Critical analysis of bladder sparing with trimodal therapy in muscle-invasive bladder cancer : a systematic review. European Urology, 66 (1). pp. 120-137. doi:10.1016/j.eururo.2014.02.038 ISSN 0302-2838.
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Official URL: http://dx.doi.org/10.1016/j.eururo.2014.02.038
Abstract
CONTEXT:
Aims of bladder preservation in muscle-invasive bladder cancer (MIBC) are to offer a quality-of-life advantage and avoid potential morbidity or mortality of radical cystectomy (RC) without compromising oncologic outcomes. Because of the lack of a completed randomised controlled trial, oncologic equivalence of bladder preservation modality treatments compared with RC remains unknown.
OBJECTIVE:
This systematic review sought to assess the modern bladder-preservation treatment modalities, focusing on trimodal therapy (TMT) in MIBC.
EVIDENCE ACQUISITION:
A systematic literature search in the PubMed and Cochrane databases was performed from 1980 to July 2013.
EVIDENCE SYNTHESIS:
Optimal bladder-preservation treatment includes a safe transurethral resection of the bladder tumour as complete as possible followed by radiation therapy (RT) with concurrent radiosensitising chemotherapy. A standard radiation schedule includes external-beam RT to the bladder and limited pelvic lymph nodes to an initial dose of 40 Gy, with a boost to the whole bladder to 54 Gy and a further tumour boost to a total dose of 64-65 Gy. Radiosensitising chemotherapy with phase 3 trial evidence in support exists for cisplatin and mitomycin C plus 5-fluorouracil. A cystoscopic assessment with systematic rebiopsy should be performed at TMT completion or early after TMT induction. Thus, nonresponders are identified early to promptly offer salvage RC. The 5-yr cancer-specific survival and overall survival rates range from 50% to 82% and from 36% to 74%, respectively, with salvage cystectomy rates of 25-30%. There are no definitive data to support the benefit of using of neoadjuvant or adjuvant chemotherapy. Critical to good outcomes is proper patient selection. The best cancers eligible for bladder preservation are those with low-volume T2 disease without hydronephrosis or extensive carcinoma in situ.
CONCLUSIONS:
A growing body of accumulated data suggests that bladder preservation with TMT leads to acceptable outcomes and therefore may be considered a reasonable treatment option in well-selected patients.
PATIENT SUMMARY:
Treatment based on a combination of resection, chemotherapy, and radiotherapy as bladder-sparing strategies may be considered as a reasonable treatment option in properly selected patients.
Item Type: | Journal Article | ||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Health Sciences > Cancer Research Unit Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Health Sciences Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School |
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Journal or Publication Title: | European Urology | ||||||
Publisher: | Elsevier BV | ||||||
ISSN: | 0302-2838 | ||||||
Official Date: | July 2014 | ||||||
Dates: |
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Volume: | 66 | ||||||
Number: | 1 | ||||||
Page Range: | pp. 120-137 | ||||||
DOI: | 10.1016/j.eururo.2014.02.038 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Restricted or Subscription Access |
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