Abstract
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.
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The authors would like to thank all patients voluntarily taking part in the study.
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Manuscript: Use of concomitant proton pump inhibitors, statins, or metformin in patients treated with pembrolizumab for advanced urothelial carcinoma: Data from the ARON-2 retrospective study. Fiala et al. O. Fiala: Investigation, Writing - Original Draft M. Santoni: Conceptualization, Methodology, Investigation, Formal analysis, Writing - Original Draft S. Buti: Conceptualization, Methodology, Investigation, Writing - Original Draft All authors: Investigation
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O. Fiala received honoraria from Roche, Janssen, GSK and Pfizer for consultations and lectures unrelated to this project. S. Buti received honoraria as speaker at scientific events and advisory role by BMS, Pfizer, MSD, Ipsen, AstraZeneca, Merck, all unrelated to this project. M. Santoni has received research support and honoraria from Janssen, Bristol Myers Squibb, Ipsen, MSD, Astellas and Bayer, all unrelated to this project. R. Kanesvaran has received fees for speaker bureau and advisory board activities from the following companies; Pfizer, MSD, BMS, Eisai, Ipsen, Johnson and Johnson, Merck, Amgen, Astellas and Bayer, all unrelated to this project. E. Grande has received honoraria for speaker engagements, advisory roles or funding of continuous medical education from Adacap, AMGEN, Angelini, Astellas, Astra Zeneca, Bayer, Blueprint, Bristol Myers Squibb, Caris Life Sciences, Celgene, Clovis-Oncology, Eisai, Eusa Pharma, Genetracer, Guardant Health, HRA-Pharma, IPSEN, ITM-Radiopharma, Janssen, Lexicon, Lilly, Merck KGaA, MSD, Nanostring Technologies, Natera, Novartis, ONCODNA (Biosequence), Palex, Pharmamar, Pierre Fabre, Pfizer, Roche, Sanofi-Genzyme, Servier, Taiho, and Thermo Fisher Scientific and has received research grants from Pfizer, Astra Zeneca, Astellas, and Lexicon Pharmaceuticals, all unrelated to this project. F. S. M. Monteiro has received research support from Janssen, Merck Sharp Dome and honoraria from Janssen, Ipsen, Bristol Myers Squibb and Merck Sharp Dome, all unrelated to this project. C. Porta has received honoraria from Angelini Pharma, Astra Zeneca, BMS, Eisai, General Electric, Ipsen and MSD and acted as a Protocol Steering Committee Member for BMS, Eisai and MSD, all unrelated to this project. Z. Myint has received research support from Merck unrelated to this project. J. Molina-Cerrillo declares consultant, advisory or speaker roles for IPSEN, Roche, Pfizer, Sanofi, Janssen, and BMS and has received research grants from Pfizer, IPSEN and Roche, all unrelated to this project. P. Giannatempo has received research support from Ipsen, Astra Zeneca, MSD and honoraria for speaker engagements, advisory roles from Astellas, MSD, Janssen, Pfizer, all unrelated to this project. E. T. Lam has received institutional research funding from Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, NJ, USA, Bristol-Myers Squibb, Pfizer, and F. Hoffmann-La Roche Ltd. The other authors declare to have no conflicts of interest.
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Fiala, O., Buti, S., Takeshita, H. et al. Use of concomitant proton pump inhibitors, statins or metformin in patients treated with pembrolizumab for metastatic urothelial carcinoma: data from the ARON-2 retrospective study. Cancer Immunol Immunother 72, 3665–3682 (2023). https://doi.org/10.1007/s00262-023-03518-z
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DOI: https://doi.org/10.1007/s00262-023-03518-z