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The Role of Mitomycin C in Intermediate-risk Non-muscle-invasive Bladder Cancer: A Systematic Review and Meta-analysis

P. Scilipoti, A. Ślusarczyk, M. de Angelis, F. Soria, B. Pradere, W. Krajewski, D. D'Andrea, A. Mari, FD. Giudice, R. Pichler, JD. Subiela, L. Afferi, S. Albisinni, L. Mertens, E. Laukhtina, K. Mori, P. Radziszewski, SF. Shariat, A. Necchi, E....

. 2024 ; 7 (6) : 1293-1302. [pub] 20240619

Jazyk angličtina Země Nizozemsko

Typ dokumentu systematický přehled, časopisecké články, metaanalýza, přehledy

Perzistentní odkaz   https://www.medvik.cz/link/bmc25003329

BACKGROUND AND OBJECTIVE: Intravesical mitomycin C (MMC) instillations are recommended to prevent recurrence of intermediate-risk non-muscle-invasive bladder cancer (IR-NMIBC); however, the optimal regimen and dose are uncertain. Our aim was to assess the effectiveness of adjuvant MMC and compare different MMC regimens in preventing recurrence. METHODS: We performed a comprehensive search in PubMed, Scopus, and Web of Science in November 2023 for studies investigating recurrence-free survival (RFS) among patients with IR-NMIBC who received adjuvant MMC. Prospective trials with different MMC regimens or other intravesical drugs as comparators were considered eligible. KEY FINDINGS AND LIMITATIONS: Overall, 14 studies were eligible for systematic review and 11 for meta-analysis of RFS. Estimates of 1-yr, 2-yr, and 5-yr RFS rates were 84% (95% confidence interval [CI] 79-89%), 75% (95% CI 68-82%), and 51% (95% CI 40-63%) for patients treated with MMC induction plus maintenance, and 88% (95% CI 83-94%), 78% (95% CI 67-89%), and 66% (95% CI 57-75%) for patients treated with bacillus Calmette-Guérin (BCG) maintenance, respectively. Estimates of 2-yr RFS rates for MMC maintenance regimens were 76% (95% CI 69-84%) for 40 mg MMC (2 studies) and 66% (95% CI 60-72%) for 30 mg MMC (4 studies). Among the studies included, BCG maintenance provided comparable 2-yr RFS to 40 mg MMC with maintenance (78% vs 76%). RFS did not differ by MMC maintenance duration (>1 yr vs 1 yr vs <1 yr). CONCLUSIONS AND CLINICAL IMPLICATIONS: MMC induction and maintenance regimens seem to provide short-term RFS rates equivalent to those for BCG maintenance in IR-NMIBC. For adjuvant induction and maintenance, 40 mg of MMC appears to be more effective in preventing recurrence than 30 mg. We did not observe an RFS benefit for longer maintenance regimens. PATIENT SUMMARY: For patients with intermediate-risk non-muscle-invasive bladder cancer, bladder treatments with a solution of a drug called mitomycin C (MMC) seem to be as effective as BCG (bacillus Calmette-Guérin) in preventing recurrence after tumor removal. Further trials are needed for stronger evidence on the best MMC dose and treatment time.

Department of Experimental Oncology Unit of Urology Urological Research Institute IRCCS Ospedale San Raffaele Milan Italy

Department of General Oncological and Functional Urology Medical University of Warsaw Warsaw Poland

Department of Maternal Infant and Urologic Sciences Sapienza University of Rome Policlinico Umberto 1 Hospital Rome Italy

Department of Urology 2nd Faculty of Medicine Charles University Prague Czech Republic

Department of Urology and Oncologic Urology Wrocław Medical University Wroclaw Poland

Department of Urology Bichat Claude Bernard Hospital AP HP Université de Paris Paris France

Department of Urology Careggi Hospital University of Florence Florence Italy

Department of Urology Comprehensive Cancer Center Medical University of Vienna Vienna Austria

Department of Urology Instituto Ramón y Cajal de Investigación Sanitaria Hospital Universitario Ramón y Cajal Universidad de Alcalá Madrid Spain

Department of Urology Luzerner Kantonsspital Lucerne Switzerland

Department of Urology Medical University of Innsbruck Innsbruck Austria

Department of Urology Netherlands Cancer Institute Amsterdam The Netherlands

Department of Urology The Jikei University School of Medicine Tokyo Japan

Department of Urology University of Texas Southwestern Dallas TX USA

Department of Urology University of Tor Vergata Rome Italy

Department of Urology UROSUD La Croix Du Sud Hospital Quint Fonsegrives France

Department of Urology Weill Cornell Medical College New York NY USA

Division of Urology Department of Surgical Sciences San Giovanni Battista Hospital University of Studies of Torino Turin Italy

Karl Landsteiner Institute of Urology and Andrology Vienna Austria

Urology GRC no 5 Predictive Onco Urology Hôpital Pitié Salpêtrière AP HP Sorbonne Université Paris France

Vita Salute San Raffaele University Milan Italy

Citace poskytuje Crossref.org

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