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Sequential Treatment With Trifluridine/Tipiracil and Regorafenib in Refractory Metastatic Colorectal Cancer Patients: An AGEO Prospective “Real-World Study”

Published:February 14, 2022DOI:https://doi.org/10.1016/j.clcc.2021.12.003

      Abstract

      Introduction

      Regorafenib (R) and trifluridine/tipiracil (FTD/TPI) are of proven efficacy in metastatic colorectal cancer (mCRC) patient's refractory to standard therapies. However, it remains unclear which drug should be administered first.

      Patients and Methods

      This French observational study was prospectively conducted in 11 centers between June 2017 and September 2019. All consecutive patients with chemorefractory mCRC and receiving FTD/TPI and/or R were eligible. The aim was to evaluate the efficacy and tolerability of FTD/TPI and/or R in real-world setting with adjusted analysis.

      Results

      A total of 237 mCRC patients (25% R and 75% FTD/TPI) were enrolled. As compared to R, FTD/TPI patients were significantly older and with more metastatic sites. Median OS and PFS were respectively 6.2 and 2.4 months in the FTD/TPI and 6.6 and 2.1 months in the R group. After matching 46 paired patients according to a propensity score, a trend to a longer OS (P = .58), and a significantly longer PFS (P = .048) were observed in the FTD/TPI group. In the 24% of patients receiving the R/T or T/R sequence, median OS from first treatment was similar. Tolerability profiles were similar to published data and dose reductions were more frequent in the R group.

      Conclusion

      Efficacy and safety results in this real-world prospective study are in line with phase III trials. In a matched population, PFS was significantly longer in the FTD/TPI group. Despite a limited number of patients, clinical outcomes seemed similar in patients treated with the T/R or R/T sequence.

      Keywords

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