Abstract
Purpose
The purpose of this multicenter phase II study was to evaluate the efficacy and safety of a combination of irinotecan, 5-fluorouracil (5-FU), and leucovorin (FOLFIRI) plus bevacizumab as first-line chemotherapy in Japanese patients with metastatic colorectal cancer.
Methods
Patients with metastatic colorectal cancer were eligible for enrollment. On day 1 of a 14-day cycle, patients received bevacizumab 5 mg/kg, irinotecan 150 mg/m2, and l-leucovorin 200 mg/m2 as an intravenous infusion, followed by 5-FU 400 mg/m2 as an intravenous bolus and then 5-FU 2,400 mg/m2 as an 46-h intravenous infusion. This treatment cycle was repeated. The primary endpoint was progression-free survival (PFS).
Results
We enrolled 40 patients, but one withdrew consent before starting treatment. The remaining 39 patients received a total of 509 cycles of FOLFIRI plus bevacizumab (median 11 per patient; range 1–30). The median PFS was 11.5 months, the median overall survival (OS) was 22.0 months, and the 1-year OS rate was 81.8 %. All 39 patients had adverse events. Grade 3 or 4 neutropenia and stomatitis occurred in 21 (53.9 %) and 4 (10.3 %) patients, respectively.
Conclusion
Our results suggest that FOLFIRI plus bevacizumab is a clinically effective regimen with a manageable toxicity profile as first-line chemotherapy in patients with metastatic colorectal cancer.
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Acknowledgments
We are grateful to W. Koizumi, Y. Shimada, and S. Maetani for their kind advice and to T. Sasaki, H. Takahashi, and A. Kawano, who served on the independent review committee. We also thank S. Koyama and Y. Kakehashi for their data management. This study has been presented in part at the 9th Annual Meeting of the Japanese Society of Medical Oncology, Yokohama, Japan, 2011. This study was supported by the Japan Clinical Cancer Research Organization (JACCRO). The authors are indebted to Prof. J. Patrick Barron of the Department of International Medical Communications of Tokyo Medical University for his review of this manuscript.
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The authors declared that they have no conflict of interest.
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Appendix
The following investigators participated in the study: Mitsugu Kochi, Ken Hagiwara (Nihon University School of Medicine, Tokyo, Japan); Akinori Takagane, (Hakodate Goryokaku Hospital, Hokkaido, Japan); Tatsuya Aoki (Tokyo Medical University Hospital, Tokyo, Japan); Takao Takahashi (Department of Surgical Oncology, Gifu University Graduate School of Medicine); Katsuji Hironaka (Department of Clinical Oncology, Kawasaki Medical School); Futoshi Teranishi (Midori Municipal Hospital, Aichi, Japan); and Fumihiko Osuka (Fukushima Medical University, Fukushima, Japan).
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Kochi, M., Akiyama, Y., Aoki, T. et al. FOLFIRI plus bevacizumab as a first-line treatment for Japanese patients with metastatic colorectal cancer: a JACCRO CC-03 multicenter phase II study. Cancer Chemother Pharmacol 72, 1097–1102 (2013). https://doi.org/10.1007/s00280-013-2292-9
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DOI: https://doi.org/10.1007/s00280-013-2292-9