Clinical genitourinary cancer · 2024
Immunotherapy Plus Chemotherapy Versus Chemotherapy Alone as First-Line Treatment for Advanced Urothelial Cancer: An Updated Systematic Review and Meta-Analysis of Randomized Controlled Trials.
СтатьяСистематический обзорМетаанализСравнительное исследованиеНазвание и аннотация: Перевод в очереди
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Mamede Isadora, Escalante-Romero Lorena, Celso Davi S Gonçalves, Reis Pedro C Abrahao, Dacoregio Maria Inez, Alves Ana Caroline, Stecca Carlos
Аннотация
INTRODUCTION: Platinum-based chemotherapy (CTX) has historically been the primary treatment for advanced urothelial cancer (aUC), with limited alternative options. The therapeutic landscape experienced a paradigm shift following the results of the EV-302 and Checkmate-901 trials, which led to the approval of Enfortumab vedotin plus pembrolizumab (EV-P) as the preferred first-line treatment, and nivolumab plus CTX for those unable to receive the preferred regimen. Currently, further investigations are underway to explore PD-1 and PD-L1 inhibitors in the initial treatment of aUC.
PATIENTS AND METHODS: We conducted a systematic search across PubMed, Embase, and the Cochrane Library for randomized controlled trials (RCTs) comparing immune checkpoint inhibitors (ICI)-CTX combinations versus CTX alone as first-line treatment for advanced UC. Employing a random-effects model, we pooled hazard ratios (HR) with 95% confidence intervals (CI).
RESULTS: Our analysis encompassed 3 RCTs, involving 2162 participants, with 51.16% randomized to combination therapy with platinum-based CTX. Compared to CTX alone, immune-chemotherapy significantly improved overall survival (HR 0.84; 95% CI 0.75-0.93; P < .01), progression-free survival (HR 0.78; 95% CI 0.70-0.86; P < .01), and objective response rate (RR 1.20; 95% CI 1.06-1.36; P < .01), while elevating the risk of immune-related adverse events (P-value = .02).
CONCLUSION: In this meta-analysis of RCTs, ICI plus CTX demonstrated a significant association with improved survival at the expense of an increased risk of immune-related adverse events. Therefore, our findings suggest that this combination should be considered as an initial treatment for aUC in platinum-eligible patients who cannot receive EV-P.
PATIENTS AND METHODS: We conducted a systematic search across PubMed, Embase, and the Cochrane Library for randomized controlled trials (RCTs) comparing immune checkpoint inhibitors (ICI)-CTX combinations versus CTX alone as first-line treatment for advanced UC. Employing a random-effects model, we pooled hazard ratios (HR) with 95% confidence intervals (CI).
RESULTS: Our analysis encompassed 3 RCTs, involving 2162 participants, with 51.16% randomized to combination therapy with platinum-based CTX. Compared to CTX alone, immune-chemotherapy significantly improved overall survival (HR 0.84; 95% CI 0.75-0.93; P < .01), progression-free survival (HR 0.78; 95% CI 0.70-0.86; P < .01), and objective response rate (RR 1.20; 95% CI 1.06-1.36; P < .01), while elevating the risk of immune-related adverse events (P-value = .02).
CONCLUSION: In this meta-analysis of RCTs, ICI plus CTX demonstrated a significant association with improved survival at the expense of an increased risk of immune-related adverse events. Therefore, our findings suggest that this combination should be considered as an initial treatment for aUC in platinum-eligible patients who cannot receive EV-P.