ArticleFrontiers in immunology2025
Immune-related adverse events and neutrophil-to-lymphocyte ratio as prognostic indicators in gynecologic cancer patients receiving pembrolizumab: a real-world analysis.
Article in Frontiers in immunology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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6 authors.
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Abstract
Objective: To investigate whether immune-related adverse events and pretreatment neutrophil-to-lymphocyte ratio can serve as predictive biomarkers of treatment response and survival in patients with gynecologic cancer receiving pembrolizumab immunotherapy. Methods: This retrospective study included 94 patients with gynecologic malignancies treated with pembrolizumab at Kaohsiung Chang Gung Memorial Hospital between May 2017 and July 2024. Detailed clinical and laboratory data including the occurrence of immune-related adverse events, pretreatment neutrophil-to-lymphocyte ratio, mismatch repair (MMR) status, treatment response patterns, and patient demographics were collected. Progression-free survival and overall survival were analyzed using Kaplan-Meier curves and Cox regression models. The optimal neutrophil-to-lymphocyte ratio cut-off value for predicting the prognosis was determined using receiver operating characteristic curve analysis. Results: Overall, immune-related adverse events occurred in 55.3% of the patients and were associated with a significantly higher objective response rate (ORR; 84.6% vs. 15.4%, Conclusion: The development of immune-related adverse events and low pretreatment neutrophil-to-lymphocyte ratio independently predicted improved therapeutic response and prolonged survival in gynecologic cancer patients treated with pembrolizumab. Their integration with tumor molecular profiling may optimize monitoring frequency, adjust supportive care measures, and consider treatment modifications based on individual patient risk profiles, thereby enhancing the delivery of immunotherapy in gynecologic cancers without limiting treatment access.
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