Cited by 859Cancer Immunotherapy and BiomarkersCancer Genomics and DiagnosticsImmunotherapy and Immune Responses

Tumor Mutational Burden as a Predictive Biomarker in Solid Tumors

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Sha, Dan, Jin, Zhaohui, Budczies, Jan, Kluck, Klaus, Stenzinger, Albrecht, Sinicrope, Frank A.·2020·Cancer Discovery

Published version of a preprint

Abstract

Tumor mutational burden (TMB), defined as the number of somatic mutations per megabase of interrogated genomic sequence, varies across malignancies. Panel sequencing–based estimates of TMB have largely replaced whole-exome sequencing–derived TMB in the clinic. Retrospective evidence suggests that TMB can predict the efficacy of immune checkpoint inhibitors, and data from KEYNOTE-158 led to the recent FDA approval of pembrolizumab for the TMB-high tumor subgroup. Unmet needs include prospective validation of TMB cutoffs in relationship to tumor type and patient outcomes. Furthermore, standardization and harmonization of TMB measurement across test platforms are important to the successful implementation of TMB in clinical practice. Significance: Evaluation of TMB as a predictive biomarker creates the need to harmonize panel-based TMB estimation and standardize its reporting. TMB can improve the predictive accuracy for immunotherapy outcomes, and has the potential to expand the candidate pool of patients for treatment with immune checkpoint inhibitors.

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Crossref · 10.1158/2159-8290.cd-20-0522

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  • Nonresponse due to low tumor mutational burden, low pre-existing T cell-mediated immune responses, or a cold TME may overlap with nonresponse due to dysbiosis.

    “One might anticipate that nonresponse due to low tumor mutational burden, low pre-existing T cell-mediated immune responses, or a cold TME may overlap with nonresponse due to dysbiosis.171,172”

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  1. [24]Marabelle AFM, Lopez J, Shah M, Shapira-Frommer R, Nakagawa K, Association of Tumor Mutational Burden with Outcomes in Patients with Select Advanced Solid Tumors Treated with Pembrolizumab in KEYNOTE-158. Ann Oncol 2019; 30 (suppl_5): v475– v532 doi 10.1093/annonc/mdz253. · DOI

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Authors
Sha, D., Jin, Z., Budczies, J., Kluck, K., Stenzinger, A., & Sinicrope, F. A.
Affiliations
  • Mayo Clinic (US)
  • University Hospital Heidelberg (DE)
Venue
Cancer Discovery
Published
2020-12-01
Volume
10
Issue
12
Pages
1808-1825
ISSN
  • 2159-8274 (ISSN-L)
  • 2159-8290
OpenAlex
W3096112873
Cited by
859
References
144
Citations by year
2026: 105 · 2025: 165 · 2024: 197 · 2023: 190 · 2022: 152 · 2021: 48 · 2013: 1
FWCI
35.85
Type
journal article
Language
en
Open access
Locations
  • Cancer Discovery (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
NCI (R01 CA210509-01A1)
Topics
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer Genomics and Diagnostics
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
Keywords
tumor mutational burden, predictive biomarkers, solid tumors, immune checkpoint inhibitors, pembrolizumab, KEYNOTE-158, panel sequencing, test standardization, immunotherapy response prediction, somatic mutations
MeSH terms
Humans, Neoplasms, Biomarkers, Tumor, Tumor Burden

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