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Cancer Immunol Immunother ; 72(11): 3665-3682, 2023 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-37676282

RESUMO

BACKGROUND: Concomitant medications may potentially affect the outcome of cancer patients. In this sub-analysis of the ARON-2 real-world study (NCT05290038), we aimed to assess the impact of concomitant use of proton pump inhibitors (PPI), statins, or metformin on outcome of patients with metastatic urothelial cancer (mUC) receiving second-line pembrolizumab. METHODS: We collected data from the hospital medical records of patients with mUC treated with pembrolizumab as second-line therapy at 87 institutions from 22 countries. Patients were assessed for overall survival (OS), progression-free survival (PFS), and overall response rate. We carried out a survival analysis by a Cox regression model. RESULTS: A total of 802 patients were eligible for this retrospective study; the median follow-up time was 15.3 months. PPI users compared to non-users showed inferior PFS (4.5 vs. 7.2 months, p = 0.002) and OS (8.7 vs. 14.1 months, p < 0.001). Concomitant PPI use remained a significant predictor of PFS and OS after multivariate Cox analysis. The use of statins or metformin was not associated with response or survival. CONCLUSIONS: Our study results suggest a significant prognostic impact of concomitant PPI use in mUC patients receiving pembrolizumab in the real-world context. The mechanism of this interaction warrants further elucidation.


Assuntos
Carcinoma de Células de Transição , Inibidores de Hidroximetilglutaril-CoA Redutases , Metformina , Neoplasias da Bexiga Urinária , Humanos , Inibidores da Bomba de Prótons , Inibidores de Hidroximetilglutaril-CoA Redutases/uso terapêutico , Metformina/uso terapêutico , Estudos Retrospectivos
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