Perioperative Chemotherapy for Liver Metastasis of Colorectal Cancer

A special issue of Cancers (ISSN 2072-6694).

Deadline for manuscript submissions: closed (31 August 2020) | Viewed by 8867

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Department of Clinical Research, National Disaster Medical Center, 3256, Midori-cho, Tachikawa, Tokyo 190-0014, Japan
Interests: adenocarcinoma of the colon and rectum
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Dear Colleagues,

In recent decades, the treatment for metastatic colorectal cancer (mCRC) has remarkably progressed with the advent of biological agents. Nowadays the median survival time of mCRC patients is over 30 months. Under such circumstances, it becomes a key issue which biological agent is a preferred treatment, especially for first-line treatment of mCRC patients with RAS wild-type tumor. For unresectable diseases, preferred treatment depends on treatment goal; patients should be treated to seek for maximum shrinkage, or treatment duration. If the former, anti-EGFR mab might be a preferred option in terms of depth of response. If the latter, bevacizumab (BEV) might be preferred in terms of maintenance therapy.

For unresectable liver limited diseases, a similar strategy for treatment can be recommended. There are several types of liver metastases (LM). If LM is bulky and unresectable, a tumor shrinkage is supposed to be needed so that LM can be converted to be resectable. If LM is disseminated and unresectable, a pathological effect is supposed to be to prevent recurrence after liver resection. If the former, anti-EGFR mab might be preferred and if the latter, bevacizumab might be better, considering characteristics of biological agents. We have to consider a preferred treatment option according to a real clinical case.

In ATOM trial, a randomized phase II study of mFOLFOX6 plus BEV versus mFOLFOX6 plus cetuximab (CET) for liver-limited metastatic colorectal cancer that is unsuitable for upfront resection, BEV and CET showed a similar efficacy in PFS and liver resection rate, though greater tumor shrinkage was observed in CET group.

Prof. Dr. Hiroyuki Uetake
Guest Editor

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Keywords

  • Perioperative combination chemotherapy
  • bevacizumab
  • anti-EGFR
  • depth of response
  • pathological response
  • conversion

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Published Papers (3 papers)

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Research

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13 pages, 6466 KiB  
Article
Pathological Evaluation of Resected Colorectal Liver Metastases: mFOLFOX6 Plus Bevacizumab versus mFOLFOX6 Plus Cetuximab in the Phase II ATOM Trial
by Takao Takahashi, Kazuyuki Ishida, Yasunori Emi, Michiie Sakamoto, Johji Imura, Shinichi Aishima, Kei Muro, Hiroyuki Uetake, Eiji Oki, Yu Katayose, Kazuhiro Yoshida, Michiaki Unno, Ichinosuke Hyodo, Naohiro Tomita, Kenichi Sugihara and Yoshihiko Maehara
Cancers 2022, 14(18), 4392; https://doi.org/10.3390/cancers14184392 - 9 Sep 2022
Cited by 2 | Viewed by 1853
Abstract
We compared the preplanned histopathological responses of resected liver metastases from patients who received modified FOLFOX6 plus bevacizumab or modified FOLFOX6 plus cetuximab for liver-limited colorectal metastases in the ATOM trial. Fibrosis and viable tumor cells in tumor regression grade (TRG), infarct-like necrosis [...] Read more.
We compared the preplanned histopathological responses of resected liver metastases from patients who received modified FOLFOX6 plus bevacizumab or modified FOLFOX6 plus cetuximab for liver-limited colorectal metastases in the ATOM trial. Fibrosis and viable tumor cells in tumor regression grade (TRG), infarct-like necrosis in modified TRG (mTRG), and dangerous halo (DH) were assessed. Fifty-five patients (28 and 27 patients in the bevacizumab and cetuximab arms, respectively) were divided into the low (viable tumor cells ≤ 50%) and high (>50%) TRG or mTRG groups. DH was characterized as absent/rare or focal/diffuse. Compared to the bevacizumab arm, the cetuximab arm was more effective, with respect to low TRG (13 vs. 23 patients) and absent/rare DH (14 vs. 19 patients), respectively. Low mTRG was similarly observed in both arms. Low TRG/mTRG and absent/rare DH showed better relapse-free survival (RFS) than high TRG/mTRG and focal/diffuse DH. In the bevacizumab arm, a significant difference in RFS existed between the low and high TRG groups, while in the cetuximab arm, for TRG, mTRG, and DH, the low and absent/rare groups demonstrated significantly longer RFS than the high and focal/diffuse groups, respectively. TRG could estimate RFS in patients who underwent liver metastasectomy after bevacizumab or cetuximab chemotherapy. Full article
(This article belongs to the Special Issue Perioperative Chemotherapy for Liver Metastasis of Colorectal Cancer)
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Review

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14 pages, 280 KiB  
Review
Perioperative Systemic Chemotherapy for Colorectal Liver Metastasis: Recent Updates
by Hee Yeon Lee and In Sook Woo
Cancers 2021, 13(18), 4590; https://doi.org/10.3390/cancers13184590 - 13 Sep 2021
Cited by 10 | Viewed by 2729
Abstract
The liver is the most common site of metastases for colorectal cancer. Complete resection in some patients with resectable liver metastases (LM) can lead to long-term survival and cure. Adjuvant systemic chemotherapy after complete resection of LM improves recurrence-free survival; however, the overall [...] Read more.
The liver is the most common site of metastases for colorectal cancer. Complete resection in some patients with resectable liver metastases (LM) can lead to long-term survival and cure. Adjuvant systemic chemotherapy after complete resection of LM improves recurrence-free survival; however, the overall survival benefit is not clear. In selected patients, preoperative systemic treatment for metastatic colorectal cancer can convert unresectable to resectable cancer. This review will focus on patient selection, and integration of perioperative and postoperative systemic treatment to surgery in resectable and initially unresectable LM. Additionally, new drugs and biomarkers will be discussed. Full article
(This article belongs to the Special Issue Perioperative Chemotherapy for Liver Metastasis of Colorectal Cancer)
15 pages, 906 KiB  
Review
Perioperative Chemotherapy for Liver Metastasis of Colorectal Cancer
by Gloria Chan and Cheng E. Chee
Cancers 2020, 12(12), 3535; https://doi.org/10.3390/cancers12123535 - 26 Nov 2020
Cited by 11 | Viewed by 3621
Abstract
The liver is the dominant site of metastasis for patients with colorectal cancer. For those with isolated liver metastases, surgical resection with systemic therapy has led to long-term remission in as high as 80% of patients in well-selected cohorts. This review will focus [...] Read more.
The liver is the dominant site of metastasis for patients with colorectal cancer. For those with isolated liver metastases, surgical resection with systemic therapy has led to long-term remission in as high as 80% of patients in well-selected cohorts. This review will focus on how systemic therapy should be integrated with resection of liver metastases; in particular, the use of clinical risk scores based on clinicopathological features that help with patient selection, various approaches to the treatment of micro-metastatic disease (peri-operative versus post-operative chemotherapy), as well as conversion chemotherapy for those with initially upfront unresectable disease will be discussed. Full article
(This article belongs to the Special Issue Perioperative Chemotherapy for Liver Metastasis of Colorectal Cancer)
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