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Comparison between different neoadjuvant chemotherapy regimens and local therapy alone for bladder cancer: a systematic review and network meta-analysis of oncologic outcomes

A. Aydh, R. Sari Motlagh, A. Alamri, T. Yanagisawa, A. Ayed, P. Rajwa, E. Laukhtina, SM. Alasiri, T. Kawada, H. Mostafai, A. Ayidh, M. Pallauf, F. König, M. Abufaraj, PI. Karakiewicz, SF. Shariat

. 2023 ; 41 (8) : 2185-2194. [pub] 20230622

Language English Country Germany

Document type Meta-Analysis, Systematic Review, Journal Article

PURPOSE: The present systematic review and network meta-analysis (NMA) compared the current different neoadjuvant chemotherapy (NAC) regimes for bladder cancer patients to rank them. METHODS: We used the Bayesian approach in NMA of six different therapy regimens cisplatin, cisplatin/doxorubicin, (gemcitabine/cisplatin) GC, cisplatin/methotrexate, methotrexate, cisplatin, and vinblastine (MCV) and (MVAC) compared to locoregional treatment. RESULTS: Fifteen studies comprised 4276 patients who met the eligibility criteria. Six different regimes were not significantly associated with a lower likelihood of overall mortality rate compared to local treatment alone. In progression-free survival (PFS) rates, cisplatin, GC, cisplatin/methotrexate, MCV and MVAC were not significantly associated with a higher likelihood of PFS rate compared to locoregional treatment alone. In local control outcome, MCV, MVAC, GC and cisplatin/methotrexate were not significantly associated with a higher likelihood of local control rate versus locoregional treatment alone. Nevertheless, based on the analyses of the treatment ranking according to SUCRA, it was highly likely that MVAC with high certainty of results appeared as the most effective approach in terms of mortality, PFS and local control rates. GC and cisplatin/doxorubicin with low certainty of results was found to be the best second options. CONCLUSION: No significant differences were observed in mortality, progression-free survival and local control rates before and after adjusting the type of definitive treatment in any of the six study arms. However, MVAC was found to be the most effective regimen with high certainty, while cisplatin alone and cisplatin/methotrexate should not be recommended as a neoadjuvant chemotherapy regime.

Cancer Prognostics and Health Outcomes Unit University of Montreal Health Center Montreal Canada

Department of Family Medicine King Khalid University Abha Saudi Arabia

Department of Radiology King Khalid University Abha Saudi Arabia

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

Department of Urology Aseer Central Hospital Abha Saudi Arabia

Department of Urology Comprehensive Cancer Center Vienna General Hospital Medical University of Vienna Währinger Gürtel 18 20 1090 Vienna Austria

Department of Urology King Faisal Medical City Abha Saudi Arabia

Department of Urology Medical University of Silesia Zabrze Poland

Department of Urology Okayama University Graduate School of Medicine Dentistry and Pharmaceutical Sciences Okayama Japan

Department of Urology The Jikei University School of Medicine Tokyo Japan

Department of Urology University Hospital Salzburg Paracelsus Medical University Salzburg Salzburg Austria

Department of Urology University Medical Center Hamburg Eppendorf Hamburg Germany

Department of Urology University of Texas Southwestern Dallas TX USA

Department of Urology Weill Cornell Medical College New York NY USA

Division of Urology Department of Special Surgery Jordan University Hospital The University of Jordan Amman Jordan

Division of Urology Department of Surgery King Khalid University Abha Saudi Arabia

Hourani Center for Applied Scientific Research Al Ahliyya Amman University Amman Jordan

Institute for Urology and Reproductive Health 1 M Sechenov 1st Moscow State Medical University Moscow Russia

Karl Landsteiner Institute of Urology and Andrology Vienna Austria

Men's Health and Reproductive Health Research Center Shahid Beheshti University of Medical Sciences Tehran Iran

Research Center for Evidence Based Medicine Tabriz University of Medical Sciences Tabriz Iran

The National Center for Diabetes Endocrinology and Genetics The University of Jordan Amman Jordan

References provided by Crossref.org

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