Regorafenib vs trifluridine/tipiracil for metastatic colorectal cancer refractory to standard chemotherapies: A multicenter retrospective comparison study in Japan

Misato Ogata, Masahito Kotaka, Takatsugu Ogata, Yukimasa Hatachi, Hisateru Yasui, Takeshi Kato, Akihito Tsuji and Hironaga Satake

PLOS ONE, 2020, vol. 15, issue 6, 1-10

Abstract: Regorafenib (REG) and trifluridine/tipiracil (FTD/TPI) showed survival benefits in metastatic colorectal cancer patients previously treated with standard chemotherapies; therefore, we compared the efficacy and safety of these two treatments. Patients with metastatic colorectal cancer treated with REG or FTD/TPI as a salvage-line therapy from May 2014 to December 2017 were included. We retrospectively analyzed long-term survival, safety, and clinical outcomes. Among 134 patients, 57 and 77 received REG and FTD/TPI, respectively. The REG group received more prior systemic chemotherapies and significantly more frequent additional chemotherapies than the FTD/TPI group did. The median follow-up was 6.2 months, whereas the median overall survival was 9.9 and 11.4 months in the REG and FTD/TPI groups, respectively (hazard ratio = 0.954, p = 0.837). The median progression-free survival was 2.0 and 3.3 months in the REG and FTD/TPI groups, respectively (hazard ratio = 0.52, p = 0.00047), indicating significant differences, whereas the objective response and disease control rates did not differ. The median overall survival of patients with additional subsequent chemotherapies after disease progression was longer than that of patients without additional chemotherapy. The most frequent grade ≥3 adverse events were hypertension and neutropenia in the REG and FTD/TPI groups, respectively. Our study suggested that sequential use of both drugs may prolong survival.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0234314

DOI: 10.1371/journal.pone.0234314

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