Journal of Yeungnam Medical Science

Original article

Clinical implication of adjuvant chemotherapy according to mismatch repair status in patients with intermediate-risk stage II colon cancer: a retrospective study: Byung Woog Kang, Dong Won Baek, Eunhye Chang, Hye Jin Kim, Su Yeon Park, Jun Seok Park, Gyu Seog Choi, Jin Ho Baek, Jong Gwang Kim; J Yeungnam Med Sci. 2022;39(2):141-149. Published online December 22, 2021; DOI: https://doi.org/10.12701/yujm.2021.01571

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Background
The present study evaluated the clinical implications of adjuvant chemotherapy according to the mismatch repair (MMR) status and clinicopathologic features of patients with intermediate- and high-risk stage II colon cancer (CC).
Methods
This study retrospectively reviewed 5,774 patients who were diagnosed with CC and underwent curative surgical resection at Kyungpook National University Chilgok Hospital. The patients were enrolled according to the following criteria: (1) pathologically diagnosed with primary CC; (2) stage II CC classified based on the 7th edition of the American Joint Committee on Cancer staging system; (3) intermediate- and high-risk features; and (4) available test results for MMR status. A total of 286 patients met these criteria and were included in the study.
Results
Among the 286 patients, 54 (18.9%) were identified as microsatellite instability-high (MSI-H) or deficient MMR (dMMR). Although all the patients identified as MSI-H/dMMR showed better survival outcomes, T4 tumors and adjuvant chemotherapy were identified as independent prognostic factors for survival. For the intermediate-risk patients identified as MSI-low (MSI-L)/microsatellite stable (MSS) or proficient MMR (pMMR), adjuvant chemotherapy exhibited a significantly better disease-free survival (DFS) but had no impact on overall survival (OS). Oxaliplatin-containing regimens showed no association with DFS or OS. Adjuvant chemotherapy was not associated with DFS in intermediate-risk patients identified as MSI-H/dMMR.
Conclusion
The current study found that the use of adjuvant chemotherapy was correlated with better DFS in MSI-L/MSS or pMMR intermediate-risk stage II CC patients.

Citations

Citations to this article as recorded by

Behavioral and Neuroanatomical Consequences of Cell-Type Specific Loss of Dopamine D2 Receptors in the Mouse Cerebral Cortex
Gloria S. Lee, Devon L. Graham, Brenda L. Noble, Taylor S. Trammell, Deirdre M. McCarthy, Lisa R. Anderson, Marcelo Rubinstein, Pradeep G. Bhide, Gregg D. Stanwood
Frontiers in Behavioral Neuroscience.2022;[Epub] CrossRef
A pilot retrospective study of comprehensive nursing care on psychological disorder in colorectal cancer undergoing chemotherapy
Zhou-Yi Zhang, Rui Wang, Li Zhang, Ming-Li Gu, Xiu-E Guan
Medicine.2022; 101(28): e29707. CrossRef

Case report

Adrenal insufficiency development during chemotherapy plus anti-programmed death receptor-1 monoclonal antibody (tislelizumab) therapy in patients with advanced gastric cancer: two case reports: Jin Ho Baek; J Yeungnam Med Sci. 2022;39(1):62-66. Published online April 19, 2021; DOI: https://doi.org/10.12701/yujm.2021.00934

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Abstract PDF

Immune checkpoint inhibitor (ICI)-associated adrenal insufficiency is rare but may become a serious adverse event in patients treated with ICIs. The present case report documents two cases of adrenal insufficiency developed during chemotherapy plus tislelizumab (百泽安, Baize’an; BeiGene Ltd.) therapy in patients with advanced gastric cancer. Adrenal insufficiency developed after 6 and 13 cycles of treatment and was well controlled with hydrocortisone. The patients also developed hypothyroidism, which was managed with levothyroxine. Two patients showed a partial response, and one patient out of two achieved a near-complete response, sustaining over 11 months. Increased awareness of ICI-related adrenal insufficiency is crucial for early detection and prompt management of patients treated with ICIs.

Citations

Citations to this article as recorded by

Immune checkpoint inhibitor-related adrenal hypofunction and Psoriasisby induced by tislelizumab: A case report and review of literature
Yisi Deng, Manling Huang, Runpei Deng, Jun Wang
Medicine.2024; 103(12): e37562. CrossRef
Severe thyrotoxicosis induced by tislelizumab: a case report and literature review
Liman Huo, Chao Wang, Haixia Ding, Xuelian Shi, Bin Shan, Ruoying Zhou, Ping Liang, Juan Hou
Frontiers in Oncology.2023;[Epub] CrossRef
Immune-related adverse events with severe pain and ureteral expansion as the main manifestations: a case report of tislelizumab-induced ureteritis/cystitis and review of the literature
Qihao Zhou, Zhiquan Qin, Peiyuan Yan, Qunjiang Wang, Jing Qu, Yun Chen
Frontiers in Immunology.2023;[Epub] CrossRef
Isolated Renal Calyceal Urothelial Carcinoma Effectively Treated With PD-1 Inhibitor Alone: A Case Report And Literature Review
Shihao Li, Yi Zhu, Zhijian Xu, Jianjun Liu, Hongwei Liu
Frontiers in Oncology.2022;[Epub] CrossRef

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