Article
Plasma versus Tissue Tumor Mutational Burden as Biomarkers of Durvalumab plus Tremelimumab Response in Patients with Metastatic Colorectal Cancer in the CO.26 Trial.
Clinical cancer research : an official journal of the American Association for Cancer Research - 1 Aug 2024
Loree Jonathan M, Titmuss Emma, Topham James T, Kennecke Hagen F, Feilotter Harriet, Virk Shakeel, Lee Young S, Banks Kimberly, Quinn Katie, Karsan Aly, Renouf Daniel J, Jonker Derek J, Tu Dongsheng, O'Callaghan Chris J, Chen Eric X
Abstract excerpt
PURPOSE: Tissue-derived tumor mutation burden (TMB) of ≥10 mutations/Mb is a histology-agnostic biomarker for the immune checkpoint inhibitor (ICI) pembrolizumab. However, the dataset in which this was validated lacked colorectal cancers (CRC), and there is limited evidence for immunotherapy benefits in CRC using this threshold. PATIENTS AND METHODS: CO.26 was a randomized phase II study of 180 patients,...
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