RT Journal Article SR Electronic T1 Clinical Outcomes Following Trifluridine/Tipiracil Treatment for Patients With Metastatic Colorectal Cancer Ineligible for Regorafenib Treatment JF Anticancer Research JO Anticancer Res FD International Institute of Anticancer Research SP 2203 OP 2207 DO 10.21873/anticanres.14996 VO 41 IS 4 A1 YUSUKE NIISATO A1 TOSHIKAZU MORIWAKI A1 SHOTA FUKUOKA A1 TOSHIKI MASUISHI A1 ATSUO TAKASHIMA A1 YOSUKE KUMEKAWA A1 TAKESHI KAJIWARA A1 KENTARO YAMAZAKI A1 TAITO ESAKI A1 AKITAKA MAKIYAMA A1 TADAMICHI DENDA A1 YUKIMASA HATACHI A1 TAKESHI SUTO A1 NAOTOSHI SUGIMOTO A1 YASUHIRO SHIMADA YR 2021 UL http://ar.iiarjournals.org/content/41/4/2203.abstract AB Background/Aim: In later-line treatment of metastatic colorectal cancer (mCRC), trifluridine/tipiracil is often selected because regorafenib is difficult to use in patients with comorbidities such as thrombosis, hemorrhage, or cardiac events. However, the safety and efficacy of trifluridine/tipiracil in these patients is not clear. Patients and Methods: The clinical outcomes of trifluridine/tipiracil were retrospectively investigated in patients who were ineligible for regorafenib because of comorbidities. Results: Among the 27 patients who received trifluridine/tipiracil, many had comorbidities of deep venous thrombosis or hemorrhage. The median overall survival was 12.4 months, and the median progression-free survival was 2.8 months. The median overall survival was 7.7 months in 19 patients without subsequent regorafenib. Grade 3 or higher toxicities were found in 51% of patients. No treatment discontinuation because of comorbidities was observed. Conclusion: Trifluridine/tipiracil can be safely administered while maintaining efficacy in patients who were ineligible for regorafenib.