Conversion to complete resection with mFOLFOX6 with bevacizumab or cetuximab based on K‐RAS status for unresectable colorectal liver metastasis (BECK study): Long‐term results of survival

Background/Purpose To investigate the long‐term outcome and entire treatment course of patients with technically unresectable CRLM who underwent conversion hepatectomy and to examine factors associated with conversion to hepatectomy. Methods Recurrence and survival data with long‐term follow‐up were...

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Veröffentlicht in:Journal of hepato-biliary-pancreatic sciences 2020-08, Vol.27 (8), p.496-509
Hauptverfasser: Okuno, Masayuki, Hatano, Etsuro, Toda, Rei, Nishino, Hiroto, Nakamura, Kojiro, Ishii, Takamichi, Seo, Satoru, Taura, Kojiro, Yasuchika, Kentaro, Yazawa, Takefumi, Zaima, Masazumi, Kanazawa, Akiyoshi, Terajima, Hiroaki, Kaihara, Satoshi, Adachi, Yukihito, Inoue, Naoya, Furumoto, Katsuyoshi, Manaka, Dai, Tokuka, Atsuo, Furuyama, Hiroaki, Doi, Koji, Hirose, Tetsuro, Horimatsu, Takahiro, Hasegawa, Suguru, Matsumoto, Shigemi, Sakai, Yoshiharu, Uemoto, Shinji
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container_issue 8
container_start_page 496
container_title Journal of hepato-biliary-pancreatic sciences
container_volume 27
creator Okuno, Masayuki
Hatano, Etsuro
Toda, Rei
Nishino, Hiroto
Nakamura, Kojiro
Ishii, Takamichi
Seo, Satoru
Taura, Kojiro
Yasuchika, Kentaro
Yazawa, Takefumi
Zaima, Masazumi
Kanazawa, Akiyoshi
Terajima, Hiroaki
Kaihara, Satoshi
Adachi, Yukihito
Inoue, Naoya
Furumoto, Katsuyoshi
Manaka, Dai
Tokuka, Atsuo
Furuyama, Hiroaki
Doi, Koji
Hirose, Tetsuro
Horimatsu, Takahiro
Hasegawa, Suguru
Matsumoto, Shigemi
Sakai, Yoshiharu
Uemoto, Shinji
description Background/Purpose To investigate the long‐term outcome and entire treatment course of patients with technically unresectable CRLM who underwent conversion hepatectomy and to examine factors associated with conversion to hepatectomy. Methods Recurrence and survival data with long‐term follow‐up were analyzed in the cohort of a multi‐institutional phase II trial for technically unresectable colorectal liver metastases (the BECK study). Results A total of 22/12 patients with K‐RAS wild‐type/mutant tumors were treated with mFOLFOX6 + cetuximab/bevacizumab. The conversion R0/1 hepatectomy rate was significantly higher in left‐sided primary tumors than in right‐sided tumors (75.0% vs 30.0%, P = .022). The median follow‐up was 72.6 months. The 5‐year overall survival (OS) rate in the entire cohort was 48.1%. In patients who underwent R0/1 hepatectomy (n = 21), the 5‐year RFS rate and OS rate were 19.1% and 66.3%, respectively. At the final follow‐up, seven patients had no evidence of disease, five were alive with disease, and 20 had died from their original cancer. All 16 patients who achieved 5‐year survival underwent conversion hepatectomy, and 11 of them underwent further resection for other recurrences (median: 2, range: 1‐4). Conclusions Conversion hepatectomy achieved a similar long‐term survival to the results of previous studies in initially resectable patients, although many of them experienced several post‐hepatectomy recurrences. Left‐sided primary was found to be the predictor for conversion hepatectomy. Highlight Okuno and colleagues report the final survival analysis of a multi‐institutional phase II trial for initially technically unresectable colorectal liver metastasis (BECK study). The 5‐year overall survival rate was 66.3% in patients who underwent conversion hepatectomy, which was the only independent prognostic factor for better overall survival on multivariate analysis.
doi_str_mv 10.1002/jhbp.747
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Methods Recurrence and survival data with long‐term follow‐up were analyzed in the cohort of a multi‐institutional phase II trial for technically unresectable colorectal liver metastases (the BECK study). Results A total of 22/12 patients with K‐RAS wild‐type/mutant tumors were treated with mFOLFOX6 + cetuximab/bevacizumab. The conversion R0/1 hepatectomy rate was significantly higher in left‐sided primary tumors than in right‐sided tumors (75.0% vs 30.0%, P = .022). The median follow‐up was 72.6 months. The 5‐year overall survival (OS) rate in the entire cohort was 48.1%. In patients who underwent R0/1 hepatectomy (n = 21), the 5‐year RFS rate and OS rate were 19.1% and 66.3%, respectively. At the final follow‐up, seven patients had no evidence of disease, five were alive with disease, and 20 had died from their original cancer. All 16 patients who achieved 5‐year survival underwent conversion hepatectomy, and 11 of them underwent further resection for other recurrences (median: 2, range: 1‐4). Conclusions Conversion hepatectomy achieved a similar long‐term survival to the results of previous studies in initially resectable patients, although many of them experienced several post‐hepatectomy recurrences. Left‐sided primary was found to be the predictor for conversion hepatectomy. Highlight Okuno and colleagues report the final survival analysis of a multi‐institutional phase II trial for initially technically unresectable colorectal liver metastasis (BECK study). The 5‐year overall survival rate was 66.3% in patients who underwent conversion hepatectomy, which was the only independent prognostic factor for better overall survival on multivariate analysis.</description><identifier>ISSN: 1868-6974</identifier><identifier>EISSN: 1868-6982</identifier><identifier>DOI: 10.1002/jhbp.747</identifier><identifier>PMID: 32362018</identifier><language>eng</language><publisher>Japan: Wiley Subscription Services, Inc</publisher><subject>Colorectal cancer ; colorectal liver metastases ; conversion therapy ; hepatic resection ; Immunotherapy ; Monoclonal antibodies ; repeat hepatectomy ; sidedness ; Targeted cancer therapy ; Tumors</subject><ispartof>Journal of hepato-biliary-pancreatic sciences, 2020-08, Vol.27 (8), p.496-509</ispartof><rights>2020 Japanese Society of Hepato‐Biliary‐Pancreatic Surgery</rights><rights>This article is protected by copyright. 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Methods Recurrence and survival data with long‐term follow‐up were analyzed in the cohort of a multi‐institutional phase II trial for technically unresectable colorectal liver metastases (the BECK study). Results A total of 22/12 patients with K‐RAS wild‐type/mutant tumors were treated with mFOLFOX6 + cetuximab/bevacizumab. The conversion R0/1 hepatectomy rate was significantly higher in left‐sided primary tumors than in right‐sided tumors (75.0% vs 30.0%, P = .022). The median follow‐up was 72.6 months. The 5‐year overall survival (OS) rate in the entire cohort was 48.1%. In patients who underwent R0/1 hepatectomy (n = 21), the 5‐year RFS rate and OS rate were 19.1% and 66.3%, respectively. At the final follow‐up, seven patients had no evidence of disease, five were alive with disease, and 20 had died from their original cancer. All 16 patients who achieved 5‐year survival underwent conversion hepatectomy, and 11 of them underwent further resection for other recurrences (median: 2, range: 1‐4). Conclusions Conversion hepatectomy achieved a similar long‐term survival to the results of previous studies in initially resectable patients, although many of them experienced several post‐hepatectomy recurrences. Left‐sided primary was found to be the predictor for conversion hepatectomy. Highlight Okuno and colleagues report the final survival analysis of a multi‐institutional phase II trial for initially technically unresectable colorectal liver metastasis (BECK study). The 5‐year overall survival rate was 66.3% in patients who underwent conversion hepatectomy, which was the only independent prognostic factor for better overall survival on multivariate analysis.</description><subject>Colorectal cancer</subject><subject>colorectal liver metastases</subject><subject>conversion therapy</subject><subject>hepatic resection</subject><subject>Immunotherapy</subject><subject>Monoclonal antibodies</subject><subject>repeat hepatectomy</subject><subject>sidedness</subject><subject>Targeted cancer therapy</subject><subject>Tumors</subject><issn>1868-6974</issn><issn>1868-6982</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp1kctu1DAUhiMEolWpxBMgS2zKIm1sJ7HDrh11KO1Ig7hI7CLbOaEeOfHUlynDikfgjXgXngRH04uEhDf2sT5_58h_lr3ExTEuCnKyupbrY1ayJ9k-5jXP64aTpw9nVu5lh96virQopg0tnmd7lNCaFJjvZ79ndtyA89qOKFik7LA2EAA58KDCdHurwzUa5svFfPm13lUSNkLpH3EQElmHFIT4XU-FFB46lB5d_fn56-PpJ-SDCNGjPlFx3DmFNJD6GOumwiCjU380QBAJ9tqjo7Pz2VV6Gbvtm7doYcdvSRbADdNQ0QSPbI98dBu9EeZF9qwXxsPh3X6QfZmff55d5Ivlu_ez00WuygqzHDpCpeqU4nWPOWOYylI2vOxAyl4RVipBGDRV03NFG0gEk4JRLqGpRU9LepAd7bxrZ28i-NAO2iswRoxgo28JbTiuOGloQl__g65sdGOariUlrWhVVLx-FCpnvXfQt2uX_tBtW1y0U67tlGubck3oqzthlAN0D-B9ignId8CtNrD9r6i9vDj7MAn_AsDjsag</recordid><startdate>202008</startdate><enddate>202008</enddate><creator>Okuno, Masayuki</creator><creator>Hatano, Etsuro</creator><creator>Toda, Rei</creator><creator>Nishino, Hiroto</creator><creator>Nakamura, Kojiro</creator><creator>Ishii, Takamichi</creator><creator>Seo, Satoru</creator><creator>Taura, Kojiro</creator><creator>Yasuchika, Kentaro</creator><creator>Yazawa, Takefumi</creator><creator>Zaima, Masazumi</creator><creator>Kanazawa, Akiyoshi</creator><creator>Terajima, Hiroaki</creator><creator>Kaihara, Satoshi</creator><creator>Adachi, Yukihito</creator><creator>Inoue, Naoya</creator><creator>Furumoto, Katsuyoshi</creator><creator>Manaka, Dai</creator><creator>Tokuka, Atsuo</creator><creator>Furuyama, Hiroaki</creator><creator>Doi, Koji</creator><creator>Hirose, Tetsuro</creator><creator>Horimatsu, Takahiro</creator><creator>Hasegawa, Suguru</creator><creator>Matsumoto, Shigemi</creator><creator>Sakai, Yoshiharu</creator><creator>Uemoto, Shinji</creator><general>Wiley Subscription Services, Inc</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>K9.</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-5708-6384</orcidid><orcidid>https://orcid.org/0000-0001-9539-8098</orcidid><orcidid>https://orcid.org/0000-0003-3407-1918</orcidid></search><sort><creationdate>202008</creationdate><title>Conversion to complete resection with mFOLFOX6 with bevacizumab or cetuximab based on K‐RAS status for unresectable colorectal liver metastasis (BECK study): Long‐term results of survival</title><author>Okuno, Masayuki ; 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Methods Recurrence and survival data with long‐term follow‐up were analyzed in the cohort of a multi‐institutional phase II trial for technically unresectable colorectal liver metastases (the BECK study). Results A total of 22/12 patients with K‐RAS wild‐type/mutant tumors were treated with mFOLFOX6 + cetuximab/bevacizumab. The conversion R0/1 hepatectomy rate was significantly higher in left‐sided primary tumors than in right‐sided tumors (75.0% vs 30.0%, P = .022). The median follow‐up was 72.6 months. The 5‐year overall survival (OS) rate in the entire cohort was 48.1%. In patients who underwent R0/1 hepatectomy (n = 21), the 5‐year RFS rate and OS rate were 19.1% and 66.3%, respectively. At the final follow‐up, seven patients had no evidence of disease, five were alive with disease, and 20 had died from their original cancer. All 16 patients who achieved 5‐year survival underwent conversion hepatectomy, and 11 of them underwent further resection for other recurrences (median: 2, range: 1‐4). Conclusions Conversion hepatectomy achieved a similar long‐term survival to the results of previous studies in initially resectable patients, although many of them experienced several post‐hepatectomy recurrences. Left‐sided primary was found to be the predictor for conversion hepatectomy. Highlight Okuno and colleagues report the final survival analysis of a multi‐institutional phase II trial for initially technically unresectable colorectal liver metastasis (BECK study). 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subjects Colorectal cancer
colorectal liver metastases
conversion therapy
hepatic resection
Immunotherapy
Monoclonal antibodies
repeat hepatectomy
sidedness
Targeted cancer therapy
Tumors
title Conversion to complete resection with mFOLFOX6 with bevacizumab or cetuximab based on K‐RAS status for unresectable colorectal liver metastasis (BECK study): Long‐term results of survival
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