Cited by 1,192Cancer Immunotherapy and BiomarkersImmunotherapy and Immune ResponsesCancer Genomics and Diagnostics

The Challenges of Tumor Mutational Burden as an Immunotherapy Biomarker

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Jardim, Denis L., Goodman, Aaron, de Melo Gagliato, Debora, Kurzrock, Razelle·2021·Cancer Cell

Abstract

Tumor mutational burden (TMB) reflects cancer mutation quantity. Mutations are processed to neo-antigens and presented by major histocompatibility complex (MHC) proteins to T cells. To evade immune eradication, cancers exploit checkpoints that dampen T cell reactivity. Immune checkpoint inhibitors (ICIs) have transformed cancer treatment by enabling T cell reactivation; however, response biomarkers are required, as most patients do not benefit. Higher TMB results in more neo-antigens, increasing chances for T cell recognition, and clinically correlates with better ICI outcomes. Nevertheless, TMB is an imperfect response biomarker. A composite predictor that also includes critical variables, such as MHC and T cell receptor repertoire, is needed.

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Crossref · 10.1016/j.ccell.2020.10.001

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  • In some tumour types, tumour mutational burden or neoantigen number correlates with responsiveness to immune-checkpoint inhibitors.

    “In certain tumour types, the number of neoantigens in a tumour (or tumour mutational burden (TMB)) is correlated with responsiveness to ICIs67,68.”

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  1. Galsky MD, Saci A, Szabo PM, Azrilevich A, Horak C, Lambert A, Siefker-Radtke A, Necchi A, and Sharma P (2017b). Impact of tumormutation burden on nivolumab efficacy in secondline urothelial carcinoma patients: exploratory analysis of the phase II checkmate 275 study. Annals of Oncology 28, v295– v329.

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Authors
Jardim, D. L., Goodman, A., de Melo Gagliato, D., & Kurzrock, R.
Affiliations
  • Hospital Sírio-Libanês (BR)
  • University of California San Diego (US)
Corresponding author
Kurzrock, Razelle
Venue
Cancer Cell
Publisher
Elsevier BV
Published
2021-02
Volume
39
Issue
2
Pages
154-173
ISSN
1535-6108 (ISSN-L)
OpenAlex
W3097803258
Cited by
1,192
References
151
Citations by year
2026: 134 · 2025: 263 · 2024: 294 · 2023: 276 · 2022: 171 · 2021: 53 · 2020: 1
FWCI
13.60
Type
journal article
Language
en
Open access
Locations
  • Cancer Cell (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Astellas Pharma US
  • National Cancer Institute (P30 CA023100)
  • Janssen Pharmaceuticals
  • AstraZeneca
  • Bristol-Myers Squibb
  • Genentech
  • Roche
  • EMD Serono
  • Pfizer
  • Meso Scale Diagnostics
Topics
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer Genomics and Diagnostics
Keywords
tumor mutational burden, immunotherapy biomarkers, immune checkpoint inhibitors, neoantigens, MHC class I antigen presentation, T cell receptor repertoire, cancer immunotherapy response prediction
MeSH terms
Immune Checkpoint Inhibitors, Humans, Immunotherapy, Major Histocompatibility Complex, Mutation, Neoplasms, T-Lymphocytes, Biomarkers, Tumor

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