Immunotherapy regimens for metastatic colorectal carcinomas

Metastatic colorectal cancer (mCRC) is a leading cause of cancer-related mortality with a 5-year overall survival rate of 13%. Despite recent advances in cancer immunotherapy, only the minority of CRC patients (<15%) with microsatellite instability can potentially benefit from immune checkpoint i...

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Main Authors: Babar Bashir, Adam E. Snook
Format: Article
Language:English
Published: Taylor & Francis Group 2018-02-01
Series:Human Vaccines & Immunotherapeutics
Subjects:
Online Access:http://dx.doi.org/10.1080/21645515.2017.1397244
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author Babar Bashir
Adam E. Snook
author_facet Babar Bashir
Adam E. Snook
author_sort Babar Bashir
collection DOAJ
description Metastatic colorectal cancer (mCRC) is a leading cause of cancer-related mortality with a 5-year overall survival rate of 13%. Despite recent advances in cancer immunotherapy, only the minority of CRC patients (<15%) with microsatellite instability can potentially benefit from immune checkpoint inhibitors, the only immunotherapy currently approved for mCRC. In that context, there is an unmet need to improve survival in mCRC. Our ever-increasing understanding of the immune system and its interactions with cancer has allowed development of multiple strategies to potentially improve outcomes in the majority of mCRC patients. Various approaches to manipulate patient immunity to recognize and kill colorectal cancer cells are being explored simultaneously, with combination therapies likely being the most effective. Ideally, therapies would target tumor-restricted antigens selectively found in tumors, but shielded from immune attack in normal tissues, to mount an effective cytotoxic T-cell response, while also overcoming cellular and molecular inhibitory pathways, self-tolerance, and T-cell exhaustion. Here, we provide a brief overview of the most promising immunotherapy candidates in mCRC and their strategies to produce a lasting immune response and clinical benefit in patients with mCRC.
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spelling doaj.art-f87cb79a81bb482886777194a8cba6892023-09-22T08:17:53ZengTaylor & Francis GroupHuman Vaccines & Immunotherapeutics2164-55152164-554X2018-02-0114225025410.1080/21645515.2017.13972441397244Immunotherapy regimens for metastatic colorectal carcinomasBabar Bashir0Adam E. Snook1Thomas Jefferson UniversityThomas Jefferson UniversityMetastatic colorectal cancer (mCRC) is a leading cause of cancer-related mortality with a 5-year overall survival rate of 13%. Despite recent advances in cancer immunotherapy, only the minority of CRC patients (<15%) with microsatellite instability can potentially benefit from immune checkpoint inhibitors, the only immunotherapy currently approved for mCRC. In that context, there is an unmet need to improve survival in mCRC. Our ever-increasing understanding of the immune system and its interactions with cancer has allowed development of multiple strategies to potentially improve outcomes in the majority of mCRC patients. Various approaches to manipulate patient immunity to recognize and kill colorectal cancer cells are being explored simultaneously, with combination therapies likely being the most effective. Ideally, therapies would target tumor-restricted antigens selectively found in tumors, but shielded from immune attack in normal tissues, to mount an effective cytotoxic T-cell response, while also overcoming cellular and molecular inhibitory pathways, self-tolerance, and T-cell exhaustion. Here, we provide a brief overview of the most promising immunotherapy candidates in mCRC and their strategies to produce a lasting immune response and clinical benefit in patients with mCRC.http://dx.doi.org/10.1080/21645515.2017.1397244colorectal cancercancer immunotherapycancer vaccinescheckpoint inhibitorsmicrosatellite instability
spellingShingle Babar Bashir
Adam E. Snook
Immunotherapy regimens for metastatic colorectal carcinomas
Human Vaccines & Immunotherapeutics
colorectal cancer
cancer immunotherapy
cancer vaccines
checkpoint inhibitors
microsatellite instability
title Immunotherapy regimens for metastatic colorectal carcinomas
title_full Immunotherapy regimens for metastatic colorectal carcinomas
title_fullStr Immunotherapy regimens for metastatic colorectal carcinomas
title_full_unstemmed Immunotherapy regimens for metastatic colorectal carcinomas
title_short Immunotherapy regimens for metastatic colorectal carcinomas
title_sort immunotherapy regimens for metastatic colorectal carcinomas
topic colorectal cancer
cancer immunotherapy
cancer vaccines
checkpoint inhibitors
microsatellite instability
url http://dx.doi.org/10.1080/21645515.2017.1397244
work_keys_str_mv AT babarbashir immunotherapyregimensformetastaticcolorectalcarcinomas
AT adamesnook immunotherapyregimensformetastaticcolorectalcarcinomas