Successful Neoadjuvant Therapy with Pembrolizumab Monotherapy for Advanced Ascending Colon Cancer

Immune checkpoint inhibitors have emerged as an effective standard of care for deficient mismatch repair (dMMR)/high microsatellite instability (MSI-H) metastatic colorectal cancer (CRC). However, the role of immunotherapy in the neoadjuvant setting remains uncertain. We report a patient with advanc...

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Main Authors: Chien-Tzu Huang*, Jeng-Shiun Du
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2023-07-01
Series:Journal of Cancer Research and Practice
Subjects:
Online Access:https://journals.lww.com/10.4103/ejcrp.eJCRP-D-23-00005
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author Chien-Tzu Huang*
Jeng-Shiun Du
author_facet Chien-Tzu Huang*
Jeng-Shiun Du
author_sort Chien-Tzu Huang*
collection DOAJ
description Immune checkpoint inhibitors have emerged as an effective standard of care for deficient mismatch repair (dMMR)/high microsatellite instability (MSI-H) metastatic colorectal cancer (CRC). However, the role of immunotherapy in the neoadjuvant setting remains uncertain. We report a patient with advanced colon cancer who received curative surgery after successful treatment with pembrolizumab monotherapy. She remains in complete remission after 16 months following the first diagnosis without any immune-related adverse events. In conclusion, single-agent pembrolizumab has strong potential in neoadjuvant therapy for patients with dMMR/MSI-H advanced CRC.
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institution Kabale University
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publisher Wolters Kluwer Medknow Publications
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spelling doaj-art-014e93cd044c430bb9c64c146858d83f2025-01-23T05:07:29ZengWolters Kluwer Medknow PublicationsJournal of Cancer Research and Practice2311-30062023-07-0110311812010.4103/ejcrp.eJCRP-D-23-00005Successful Neoadjuvant Therapy with Pembrolizumab Monotherapy for Advanced Ascending Colon CancerChien-Tzu Huang*Jeng-Shiun DuImmune checkpoint inhibitors have emerged as an effective standard of care for deficient mismatch repair (dMMR)/high microsatellite instability (MSI-H) metastatic colorectal cancer (CRC). However, the role of immunotherapy in the neoadjuvant setting remains uncertain. We report a patient with advanced colon cancer who received curative surgery after successful treatment with pembrolizumab monotherapy. She remains in complete remission after 16 months following the first diagnosis without any immune-related adverse events. In conclusion, single-agent pembrolizumab has strong potential in neoadjuvant therapy for patients with dMMR/MSI-H advanced CRC.https://journals.lww.com/10.4103/ejcrp.eJCRP-D-23-00005colorectal cancerdeficient mismatch repairimmune checkpoint inhibitormicrosatellite instabilitypembrolizumab
spellingShingle Chien-Tzu Huang*
Jeng-Shiun Du
Successful Neoadjuvant Therapy with Pembrolizumab Monotherapy for Advanced Ascending Colon Cancer
Journal of Cancer Research and Practice
colorectal cancer
deficient mismatch repair
immune checkpoint inhibitor
microsatellite instability
pembrolizumab
title Successful Neoadjuvant Therapy with Pembrolizumab Monotherapy for Advanced Ascending Colon Cancer
title_full Successful Neoadjuvant Therapy with Pembrolizumab Monotherapy for Advanced Ascending Colon Cancer
title_fullStr Successful Neoadjuvant Therapy with Pembrolizumab Monotherapy for Advanced Ascending Colon Cancer
title_full_unstemmed Successful Neoadjuvant Therapy with Pembrolizumab Monotherapy for Advanced Ascending Colon Cancer
title_short Successful Neoadjuvant Therapy with Pembrolizumab Monotherapy for Advanced Ascending Colon Cancer
title_sort successful neoadjuvant therapy with pembrolizumab monotherapy for advanced ascending colon cancer
topic colorectal cancer
deficient mismatch repair
immune checkpoint inhibitor
microsatellite instability
pembrolizumab
url https://journals.lww.com/10.4103/ejcrp.eJCRP-D-23-00005
work_keys_str_mv AT chientzuhuang successfulneoadjuvanttherapywithpembrolizumabmonotherapyforadvancedascendingcoloncancer
AT jengshiundu successfulneoadjuvanttherapywithpembrolizumabmonotherapyforadvancedascendingcoloncancer