Abstract
The efficacy of bevacizumab combined with infusional 5-fluorouracil/leucovorin (5-FU/LV) plus irinotecan (FOLFIRI) as the second-line treatment for metastatic colorectal cancer (mCRC) has not been fully clarified, although bevacizumab combined with infusional 5-FU/LV plus oxaliplatin (FOLFOX) in the second-line setting has demonstrated a survival benefit. We investigated the efficacy of bevacizumab plus FOLFIRI in mCRC patients who failed oxaliplatin-containing regimens without bevacizumab. Patients who received bevacizumab plus FOLFIRI or bevacizumab plus FOLFOX as second-line chemotherapy between July 2007 and March 2008 were registered (trial registration: UMIN000001547). Patient background data and progression-free survival (PFS), overall survival (OS), response, and bevacizumab-related adverse events were prospectively collected every 6 months. A total of 195 patients were enrolled from 26 institutions. Among them, 115 patients received bevacizumab plus FOLFIRI after failure of oxaliplatin and fluoropyrimidine (FOLFIRI+BV after OX/FU group), and 45 patients received bevacizumab plus FOLFOX after failure of irinotecan and fluoropyrimidine (FOLFOX+BV after IRI/FU group). Median PFS was 8.3 months (95% confidence interval [CI], 6.7–9.9) for the FOLFIRI+BV after OX/FU group and 7.8 months (95% CI, 5.8–9.7) for the FOLFOX+BV after IRI/FU group. Median OS was 21.6 months (95% CI, 17.6–25.6) and 16.5 months (95% CI, 11.8–21.2), respectively. Overall response rates were 25 and 29%, respectively. The most common grade ≥3 bevacizumab-related adverse events were hypertension (5.0%) and bleeding (3.8%). FOLFIRI+BV after OX/FU showed comparable efficacy to FOLFOX+BV after IRI/FU.
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Abbreviations
- 5-FU/LV:
-
5-Flurouracil/leucovorin
- FOLFIRI:
-
Infusional 5-fluorouracil/leucovorin plus irinotecan
- FOLFOX:
-
Infusional 5-fluorouracil/leucovorin plus oxaliplatin
- mCRC:
-
Metastatic colorectal cancer
- PFS:
-
Progression-free survival
- OS:
-
Overall survival
- TCTG:
-
Tsukuba Cancer Clinical Trial Group
- ECOG:
-
Eastern Cooperative Oncology Group
- PS:
-
Performance status
- UMIN:
-
University Hospital Medical Information Network
- EGFR:
-
Epidermal growth factor receptor
- CI:
-
Confidence interval
- FOLFIRI+BV after OX/FU group:
-
Patients who received bevacizumab plus FOLFIRI after failure of oxaliplatin and fluoropyrimidine
- FOLFOX+BV after IRI/FU group:
-
Patients who received bevacizumab plus FOLFOX after failure of irinotecan and fluoropyrimidine
- FLOX:
-
Bolus 5-fluorouracil/leucovorin plus oxaliplatin
- XELOX:
-
Capecitabine plus oxaliplatin
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Acknowledgments
The authors would like to thank all of the investigators at the 26 institutions and the patients who participated in this study. Study investigators: Chiba Cancer Center: T. Denda; Dongo Hospital: M. Matsuoka; Hokkaido University Hospital: Y. Komatsu, I. Iwanaga; Ibaraki Prefectural Central Hospital and Cancer Center: K. Amagai, M. Ozeki; Iwate prefectural Central Hospital: S. Kato; Kanagawa Cancer Center: S. Motomura, C. Hashimoto; Kinki University School of Medicine: T. Satoh, S. Fumita; Kitazato University East Hospital: W. Koizumi, T. Sasaki; Kobe University Hospital: T. Okuno, Y. Fujishima; Kushiro City General Hospital: T. Abe; Kyushu University Hospital: E. Baba; Minoh City Hospital: K. Kato, Y. Miyake; Mito Medical Center: T. Yamaguchi, S. Yoshida; Nagoya Memorial Hospital: K. Ina, R. Furuta; National Cancer Center Hospital: H. Yamada, A. Takashima; National Cancer Center Hospital East: T. Yoshino, H. Bando; National Kyushu Cancer Center: T. Esaki, M. Ohta; Osaka City General Hospital: S. Tokunaga, M. Hattori; Ritsurin Hospital: S. Indo, A. Teramoto; Saitama Medical University International Medical Center: K. Yamashita; Sakai Municipal Hospital: M. Fukunaga, H. Takemoto; Shikoku Cancer Center: T. Nishina, T. Kajiwara; Shizuoka Cancer Center: K. Yamazaki; Suita Municipal Hospital: K. Murata, S. Tanaka; Tokyo Medical University: K. Katsumata, Y. Mori; Tsukuba University Hospital: I. Hyodo, T. Moriwaki. This work was supported by the NPO Tsukuba Cancer Clinical Trial Group (TCTG). Portions of this study data have been previously presented at the 35th European Society for Medical Oncology Congress in 2010.
Conflict of interest
Dr. Hyodo received funds in an advisory role from Yakult Honsha and Chugai Pharmaceuticals. All other authors state that they have no conflicts of interest.
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Moriwaki, T., Bando, H., Takashima, A. et al. Bevacizumab in combination with irinotecan, 5-fluorouracil, and leucovorin (FOLFIRI) in patients with metastatic colorectal cancer who were previously treated with oxaliplatin-containing regimens: a multicenter observational cohort study (TCTG 2nd-BV study). Med Oncol 29, 2842–2848 (2012). https://doi.org/10.1007/s12032-011-0151-2
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DOI: https://doi.org/10.1007/s12032-011-0151-2