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Vasseur D, Arbab A, Giudici F, Marzac C, Michiels S, Tagliamento M, Bayle A, Smolenschi C, Sakkal M, Aldea M, Sassi H, Dall'Olio FG, Pata-Merci N, Cotteret S, Fiévet A, Auger N, Friboulet L, Facchinetti F, Géraud A, Ponce S, Hollebecque A, Besse B, Micol JB, Italiano A, Lacroix L, Rouleau E. Genomic landscape of liquid biopsy mutations in TP53 and DNA damage genes in cancer patients. NPJ Precis Oncol 2024; 8:51. [PMID: 38409229 PMCID: PMC10897416 DOI: 10.1038/s41698-024-00544-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Accepted: 02/15/2024] [Indexed: 02/28/2024] Open
Abstract
Next-generation sequencing (NGS) assays based on plasma cell-free DNA (cfDNA) are increasingly used for clinical trials inclusion. Their optimized limit of detection applied to a large number of genes leads to the identification of mutations not confirmed in tissue. It becomes essential to describe the characteristics and consequences of these liquid biopsy-only mutations. In the STING protocol (Gustave Roussy, NCT04932525), 542 patients with advanced solid cancer had cfDNA-based and tissue-based NGS analysis (performed by FoundationOne® Liquid CDx and FoundationOne CDx™, respectively). Mutations identified in the liquid biopsy but not in the paired tissue were considered as liquid biopsy-only mutations irrespective of their variant allelic frequency (VAF). Out of 542 patients, 281 (51.8%) harbored at least one liquid biopsy-only mutation. These patients were significantly older, and more heavily pretreated. Liquid biopsy-only mutations occurring in TP53, and in DDR genes (ATM, CHEK2, ATR, BRCA2, and BRCA1) accounted for 90.8% of all the mutations. The median VAF of these mutations was generally low (0.37% and 0.40% for TP53 and DDR genes respectively). The variant type repartition depended on the gene. Liquid biopsy-only mutations affected hotspot in TP53 codon 273, 125, 195, 176, 237 or 280 and ATM codon 2891 and 3008. In a subset of 37 patients, 75.0%, 53.5% and 83.3% of the liquid biopsy-only mutations occurring respectively in ATM, TP53, and CHEK2 were confirmed in the matching whole blood sample. Although liquid biopsy-only mutations makes the interpretation of liquid biopsy results more complex, they have distinct characteristics making them more easily identifiable.
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Affiliation(s)
- Damien Vasseur
- Medical Biology and Pathology Department, F-94805, Gustave Roussy, Villejuif, France.
- AMMICa UAR3655/US23, F-94805, Gustave Roussy, Villejuif, France.
| | - Ahmadreza Arbab
- Medical Biology and Pathology Department, F-94805, Gustave Roussy, Villejuif, France
| | - Fabiola Giudici
- Oncostat U1018, Inserm, Université Paris-Saclay, Équipe Labellisée Ligue Contre le Cancer, Villejuif, France
| | - Christophe Marzac
- Medical Biology and Pathology Department, F-94805, Gustave Roussy, Villejuif, France
| | - Stefan Michiels
- Oncostat U1018, Inserm, Université Paris-Saclay, Équipe Labellisée Ligue Contre le Cancer, Villejuif, France
- Bureau de Biostatistique et d'Épidémiologie, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | | | - Arnaud Bayle
- Oncostat U1018, Inserm, Université Paris-Saclay, Équipe Labellisée Ligue Contre le Cancer, Villejuif, France
- Drug Development Department (DITEP), Gustave Roussy, Villejuif, France
| | - Cristina Smolenschi
- Cancer Medicine, Gustave Roussy, Villejuif, France
- Drug Development Department (DITEP), Gustave Roussy, Villejuif, France
| | - Madona Sakkal
- Cancer Medicine, Gustave Roussy, Villejuif, France
- Drug Development Department (DITEP), Gustave Roussy, Villejuif, France
| | | | - Hela Sassi
- Medical Biology and Pathology Department, F-94805, Gustave Roussy, Villejuif, France
| | | | | | - Sophie Cotteret
- Medical Biology and Pathology Department, F-94805, Gustave Roussy, Villejuif, France
| | - Alice Fiévet
- Medical Biology and Pathology Department, F-94805, Gustave Roussy, Villejuif, France
| | - Nathalie Auger
- Medical Biology and Pathology Department, F-94805, Gustave Roussy, Villejuif, France
| | - Luc Friboulet
- Université Paris-Saclay, Institut Gustave Roussy, Inserm, Biomarqueurs prédictifs et nouvelles stratégies thérapeutiques en oncologie, Villejuif, France
| | - Francesco Facchinetti
- Université Paris-Saclay, Institut Gustave Roussy, Inserm, Biomarqueurs prédictifs et nouvelles stratégies thérapeutiques en oncologie, Villejuif, France
| | - Arthur Géraud
- Drug Development Department (DITEP), Gustave Roussy, Villejuif, France
| | - Santiago Ponce
- Drug Development Department (DITEP), Gustave Roussy, Villejuif, France
| | | | - Benjamin Besse
- Cancer Medicine, Gustave Roussy, Villejuif, France
- Université Paris-Saclay, Institut Gustave Roussy, Inserm, Biomarqueurs prédictifs et nouvelles stratégies thérapeutiques en oncologie, Villejuif, France
| | | | - Antoine Italiano
- Drug Development Department (DITEP), Gustave Roussy, Villejuif, France
| | - Ludovic Lacroix
- Medical Biology and Pathology Department, F-94805, Gustave Roussy, Villejuif, France
- AMMICa UAR3655/US23, F-94805, Gustave Roussy, Villejuif, France
| | - Etienne Rouleau
- Medical Biology and Pathology Department, F-94805, Gustave Roussy, Villejuif, France
- AMMICa UAR3655/US23, F-94805, Gustave Roussy, Villejuif, France
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Gray J, Thompson JC, Carpenter EL, Elkhouly E, Aggarwal C. Plasma Cell-Free DNA Genotyping: From an Emerging Concept to a Standard-of-Care Tool in Metastatic Non-Small Cell Lung Cancer. Oncologist 2021; 26:e1812-e1821. [PMID: 34216176 PMCID: PMC8488793 DOI: 10.1002/onco.13889] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 06/18/2021] [Indexed: 11/10/2022] Open
Abstract
Plasma cell-free DNA (cfDNA) genotyping is an alternative to tissue genotyping, particularly when tissue specimens are insufficient or unavailable, and provides critical information that can be used to guide treatment decisions in managing patients with non-small cell lung cancer (NSCLC). In this article, we review the evolution of plasma cfDNA genotyping from an emerging concept, through development of analytical methods, to its clinical applications as a standard-of-care tool in NSCLC. The number of driver or resistance mutations recommended for testing in NSCLC continues to increase. Because of the expanding list of therapeutically relevant variants, comprehensive testing to investigate larger regions of multiple genes in a single run is often preferable and saves on time and cost, compared with performing serial single-gene assays. Recent advances in nucleic acid next-generation sequencing have led to a rapid expansion in cfDNA genotyping technologies. Analytic assays that have received regulatory approval are now routinely used as diagnostic companions in the setting of metastatic NSCLC. As the demand for plasma-based technologies increases, more regulatory approvals of cfDNA genotyping assays are expected in the future. Plasma cfDNA genotyping is currently aiding oncologists in the delivery of personalized care by facilitating matching of patients with targeted therapy and monitoring emergence of resistance to therapy in NSCLC. Further advances currently underway to increase assay sensitivity and specificity will potentially expand the use of plasma cfDNA genotyping in early cancer detection, monitoring response to therapy, detection of minimal residual disease, and measurement of tumor mutational burden in NSCLC. IMPLICATIONS FOR PRACTICE: Plasma cell-free DNA (cfDNA) genotyping offers an alternative to tissue genotyping, particularly when tissue specimens are insufficient or unavailable. Advances in cfDNA genotyping technologies have led to analytic assays that are now routinely used to aid oncologists in the delivery of personalized care by facilitating matching of patients with targeted therapy and monitoring emergence of resistance to therapy. Further advances underway to increase assay sensitivity and specificity will potentially expand the use of plasma cfDNA genotyping in early cancer detection, monitoring response to therapy, detection of minimal residual disease, and evaluation of tumor mutational burden in non-small cell lung cancer.
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Affiliation(s)
- Jhanelle Gray
- H. Lee Moffitt Cancer Center and Research InstituteTampaFloridaUSA
| | - Jeffrey C. Thompson
- Division of Hematology/Oncology, University of Pennsylvania Perelman School of MedicinePhiladelphiaPennsylvaniaUSA
| | - Erica L. Carpenter
- Division of Hematology/Oncology, University of Pennsylvania Perelman School of MedicinePhiladelphiaPennsylvaniaUSA
| | | | - Charu Aggarwal
- Division of Hematology/Oncology, University of Pennsylvania Perelman School of MedicinePhiladelphiaPennsylvaniaUSA
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