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Development of tumor mutation burden as an immunotherapy biomarker: utility for the oncology clinic

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TLDR
TMB, in concert with PD-L1 expression, has been demonstrated to be a useful biomarker for ICB selection across some cancer types; however, further prospective validation studies are required.
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This article is published in Annals of Oncology.The article was published on 2019-01-01 and is currently open access. It has received 1490 citations till now. The article focuses on the topics: Biomarker (medicine).

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Immunotherapy in colorectal cancer: rationale, challenges and potential.

TL;DR: Clinical development of immune checkpoint inhibition in CRC leading to regulatory approvals for the treatment of dMMR–MSI-H CRC is reviewed and new advances in expanding the efficacy of immunotherapy to early-stage CRC and CRC that is mismatch-repair-proficient and has low microsatellite instability (pMMR- MSI-L) are focused on.
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High tumor mutation burden fails to predict immune checkpoint blockade response across all cancer types.

TL;DR: In this article, the authors compared approaches to determine TMB and identify the correlation between predicted neoantigen load and CD8 T cells, and found that TMB-H tumors exhibited a 39.8% ORR to ICB [95% confidence interval (CI) 34.9-44.8], which was significantly higher than that observed in low TMB (TMB-L) tumors.
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PD-L1 as a biomarker of response to immune-checkpoint inhibitors

TL;DR: In this paper, the authors describe the current role of PD-L1 immunohistochemistry assays used to inform the selection of patients to receive antiPD-1 or anti-PD-L 1 antibodies, discuss the various technical and clinical challenges associated with these assays, including regulatory issues, and provide some perspective on how to optimize PDL1 as a selection biomarker for the future treatment of patients with solid tumours.
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Advances in immunotherapy for hepatocellular carcinoma

TL;DR: A recent review as mentioned in this paper provides up-to-date information on the best use of currently available immunotherapies in HCC and the therapeutic strategies under development, including the discovery and validation of predictive biomarkers, advancing treatment to earlier stages of the disease, applying the treatment to patients with liver dysfunction and the discovery of more effective combinatorial or sequential approaches.
References
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Journal ArticleDOI

The Genome Analysis Toolkit: A MapReduce framework for analyzing next-generation DNA sequencing data

TL;DR: The GATK programming framework enables developers and analysts to quickly and easily write efficient and robust NGS tools, many of which have already been incorporated into large-scale sequencing projects like the 1000 Genomes Project and The Cancer Genome Atlas.
Journal ArticleDOI

The blockade of immune checkpoints in cancer immunotherapy

TL;DR: Preliminary clinical findings with blockers of additional immune-checkpoint proteins, such as programmed cell death protein 1 (PD1), indicate broad and diverse opportunities to enhance antitumour immunity with the potential to produce durable clinical responses.
Journal ArticleDOI

Signatures of mutational processes in human cancer

Ludmil B. Alexandrov, +84 more
- 22 Aug 2013 - 
TL;DR: It is shown that hypermutation localized to small genomic regions, ‘kataegis’, is found in many cancer types, and this results reveal the diversity of mutational processes underlying the development of cancer.
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Tumor mutational load predicts survival after immunotherapy across multiple cancer types.

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Signatures of mutational processes in human cancer

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- 22 Aug 2013 -