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Supplementary Figure 3 from Pathological T0 Following Cisplatin-Based Neoadjuvant Chemotherapy for Muscle-Invasive Bladder Cancer: A Network Meta-analysis

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posted on 2023-03-31, 18:26 authored by Hyung Suk Kim, Chang Wook Jeong, Cheol Kwak, Hyeon Hoe Kim, Ja Hyeon Ku

Probability bar plots (rankograms) for the neo-adjuvant chemotherapy network. The regimens were ranked according to the surface under the cumulative ranking curve (SUCRA) values. The possible rank of each treatment (from best to worse according to the outcome) is shown on the horizontal axis. The size of each bar corresponds to the probability of each treatment to be at a specific rank.

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ARTICLE ABSTRACT

Purpose: To systematically assess and compare the relationship between various neoadjuvant chemotherapy regimens and pCR in patients with muscle-invasive bladder cancer.Experimental design: We performed a literature search of PubMed, Embase, and the Cochrane Library for all articles published before March 2015 and according to the Preferred Reporting Items for Systematic Review and Meta-analysis (PRISMA) guidelines. There were 17 articles that met the study eligibility criteria and were selected for the final analysis. A direct pair-wise meta-analysis was performed for studies that compared the same regimen. Finally, a Bayesian network meta-analysis was used to indirectly compare the regimens.Results: In a pair-wise meta-analysis, the methotrexate/vinblastine/Adriamycin/cisplatin [MVAC; OR, 4.36; 95% confidence interval (CI), 2.71–7.02] and gemcitabine/cisplatin (GC) regimens (OR, 4.92; 95% CI, 2.93–8.24) were significantly associated with a better pCR than RC alone. In a network meta-analysis, there was no significant difference in terms of pCR achievement between the GC and MVAC regimens (OR, 1.14; 95% CI; 0.85–1.70). However, in a subgroup network meta-analysis that only included prospective randomized trials, the MVAC regimen was significantly correlated with a higher rate of pCR (OR, 5.75; 95% CI, 1.96–24.18).Conclusions: The results of this meta-analysis suggest that a GC regimen was associated with a pCR rate that was similar to that of a MVAC regimen based on retrospective data, but only the MVAC regimen was proven to achieve pCR in prospective randomized trials. Additional prospective randomized trials comparing both regimens will be necessary to establish the optimal neoadjuvant chemotherapy regimen. Clin Cancer Res; 22(5); 1086–94. ©2015 AACR.

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