1
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Hu Q, Chen L, Li K, Liu R, Sun L, Han T. Circulating tumor DNA: current implementation issues and future challenges for clinical utility. Clin Chem Lab Med 2024; 62:2094-2110. [PMID: 38109307 DOI: 10.1515/cclm-2023-1157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 12/06/2023] [Indexed: 12/20/2023]
Abstract
Over the past decades, liquid biopsy, especially circulating tumor DNA (ctDNA), has received tremendous attention as a noninvasive detection approach for clinical applications, including early diagnosis of cancer and relapse, real-time therapeutic efficacy monitoring, potential target selection and investigation of drug resistance mechanisms. In recent years, the application of next-generation sequencing technology combined with AI technology has significantly improved the accuracy and sensitivity of liquid biopsy, enhancing its potential in solid tumors. However, the increasing integration of such promising tests to improve therapy decision making by oncologists still has complexities and challenges. Here, we propose a conceptual framework of ctDNA technologies and clinical utilities based on bibliometrics and highlight current challenges and future directions, especially in clinical applications such as early detection, minimal residual disease detection, targeted therapy, and immunotherapy. We also discuss the necessities of developing a dynamic field of translational cancer research and rigorous clinical studies that may support therapeutic strategy decision making in the near future.
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Affiliation(s)
- Qilin Hu
- Department of Medical Oncology, The First Hospital of China Medical University, Shenyang, P.R. China
| | - Lujun Chen
- The General Hospital of Northern Theater Command Training Base for Graduate, China Medical University, Shenyang, P.R. China
| | - Kerui Li
- Department of Medical Oncology, The First Hospital of China Medical University, Shenyang, P.R. China
| | - Ruotong Liu
- Clinical Medicine, Shenyang Medical College, Shenyang, P.R. China
| | - Lei Sun
- Department of Thoracic Surgery, The First Hospital of China Medical University, Shenyang, P.R. China
| | - Tao Han
- Department of Medical Oncology, The First Hospital of China Medical University, Shenyang, P.R. China
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2
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Pessei V, Macagno M, Mariella E, Congiusta N, Battaglieri V, Battuello P, Viviani M, Gionfriddo G, Lamba S, Lorenzato A, Oddo D, Idrees F, Cavaliere A, Bartolini A, Guarrera S, Linnebacher M, Monteonofrio L, Cardone L, Milella M, Bertotti A, Soddu S, Grassi E, Crisafulli G, Bardelli A, Barault L, Di Nicolantonio F. DNA demethylation triggers cell free DNA release in colorectal cancer cells. Genome Med 2024; 16:118. [PMID: 39385243 PMCID: PMC11462661 DOI: 10.1186/s13073-024-01386-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 09/18/2024] [Indexed: 10/12/2024] Open
Abstract
BACKGROUND Liquid biopsy based on cell-free DNA (cfDNA) analysis holds significant promise as a minimally invasive approach for the diagnosis, genotyping, and monitoring of solid malignancies. Human tumors release cfDNA in the bloodstream through a combination of events, including cell death, active and passive release. However, the precise mechanisms leading to cfDNA shedding remain to be characterized. Addressing this question in patients is confounded by several factors, such as tumor burden extent, anatomical and vasculature barriers, and release of nucleic acids from normal cells. In this work, we exploited cancer models to dissect basic mechanisms of DNA release. METHODS We measured cell loss ratio, doubling time, and cfDNA release in the supernatant of a colorectal cancer (CRC) cell line collection (N = 76) representative of the molecular subtypes previously identified in cancer patients. Association analyses between quantitative parameters of cfDNA release, cell proliferation, and molecular features were evaluated. Functional experiments were performed to test the impact of modulating DNA methylation on cfDNA release. RESULTS Higher levels of supernatant cfDNA were significantly associated with slower cell cycling and increased cell death. In addition, a higher cfDNA shedding was found in non-CpG Island Methylator Phenotype (CIMP) models. These results indicate a positive correlation between lower methylation and increased cfDNA levels. To explore this further, we exploited methylation microarrays to identify a subset of probes significantly associated with cfDNA shedding and derive a methylation signature capable of discriminating high from low cfDNA releasers. We applied this signature to an independent set of 176 CRC cell lines and patient derived organoids to select 14 models predicted to be low or high releasers. The methylation profile successfully predicted the amount of cfDNA released in the supernatant. At the functional level, genetic ablation of DNA methyl-transferases increased chromatin accessibility and DNA fragmentation, leading to increased cfDNA release in isogenic CRC cell lines. Furthermore, in vitro treatment of five low releaser CRC cells with a demethylating agent was able to induce a significant increase in cfDNA shedding. CONCLUSIONS Methylation status of cancer cell lines contributes to the variability of cfDNA shedding in vitro. Changes in methylation pattern are associated with cfDNA release levels and might be exploited to increase sensitivity of liquid biopsy assays.
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Affiliation(s)
- Valeria Pessei
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy
| | - Marco Macagno
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy
| | - Elisa Mariella
- Department of Oncology, University of Torino, Turin, Italy
- IFOM, the AIRC Institute of Molecular Oncology, Milan, Italy
| | - Noemi Congiusta
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy
- Department of Oncology, University of Torino, Turin, Italy
| | - Vittorio Battaglieri
- Department of Oncology, University of Torino, Turin, Italy
- IFOM, the AIRC Institute of Molecular Oncology, Milan, Italy
| | - Paolo Battuello
- Department of Oncology, University of Torino, Turin, Italy
- IFOM, the AIRC Institute of Molecular Oncology, Milan, Italy
| | - Marco Viviani
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy
- Department of Oncology, University of Torino, Turin, Italy
| | - Giulia Gionfriddo
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy
- Department of Oncology, University of Torino, Turin, Italy
| | - Simona Lamba
- Department of Oncology, University of Torino, Turin, Italy
| | | | - Daniele Oddo
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy
- Department of Oncology, University of Torino, Turin, Italy
| | - Fariha Idrees
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy
- Department of Oncology, University of Torino, Turin, Italy
| | - Alessandro Cavaliere
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy
- Department of Oncology, University of Torino, Turin, Italy
| | - Alice Bartolini
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy
| | - Simonetta Guarrera
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy
- IIGM-Italian Institute for Genomic Medicine, c/o IRCCS, Candiolo, Turin, Italy
| | - Michael Linnebacher
- Clinic of General Surgery, Molecular Oncology and Immunotherapy, UMR, Rostock, Germany
| | - Laura Monteonofrio
- Department of Research and Advanced Technologies, Regina Elena National Cancer Institute IRCCS, Rome, Italy
| | - Luca Cardone
- Department of Research and Advanced Technologies, Regina Elena National Cancer Institute IRCCS, Rome, Italy
| | - Michele Milella
- Section of Innovation Biomedicine - Oncology Area, Department of Engineering for Innovation Medicine, University of Verona and Verona University and Hospital Trust, Verona, Italy
| | - Andrea Bertotti
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy
- Department of Oncology, University of Torino, Turin, Italy
| | - Silvia Soddu
- Department of Research and Advanced Technologies, Regina Elena National Cancer Institute IRCCS, Rome, Italy
| | - Elena Grassi
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy
- Department of Oncology, University of Torino, Turin, Italy
| | | | - Alberto Bardelli
- Department of Oncology, University of Torino, Turin, Italy
- IFOM, the AIRC Institute of Molecular Oncology, Milan, Italy
| | - Ludovic Barault
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy.
- Department of Oncology, University of Torino, Turin, Italy.
| | - Federica Di Nicolantonio
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy.
- Department of Oncology, University of Torino, Turin, Italy.
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Veselovsky E, Lebedeva A, Kuznetsova O, Kravchuk D, Belova E, Taraskina A, Grigoreva T, Kavun A, Yudina V, Belyaeva L, Nikulin V, Mileyko V, Tryakin A, Fedyanin M, Ivanov M. Evaluation of blood MSI burden dynamics to trace immune checkpoint inhibitor therapy efficacy through the course of treatment. Sci Rep 2024; 14:23454. [PMID: 39379462 PMCID: PMC11461614 DOI: 10.1038/s41598-024-73952-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2024] [Accepted: 09/23/2024] [Indexed: 10/10/2024] Open
Abstract
Analysis of serial liquid biopsy (LB) samples has been found to be a promising approach for the monitoring of tumor dynamics in the course of therapy for patients with colorectal cancer (CRC). Currently, somatic mutations are used for tracing the dynamics of the tumor via LB. However, the analysis of the dynamic changes in the molecular signatures such as microsatellite instability (MSI) is not currently used. We hypothesized that changes in blood MSI burden (bMSI) could be registered using serial LB sampling in the course of immune checkpoint inhibitors (ICI), and that its changes could potentially correlate with treatment outcomes. We report the preliminary findings of the observational trial launched to study (NCT06414304) the dynamics of bMSI in 9 MSI-positive CRC patients receiving ICI. NGS-based MSI testing was performed on both pre-treatment FFPE and serial LB samples. For patients who had detectable bMSI burden in any of the LB samples (n = 8, 89%), median bMSI was 1.4% (range, 0.01-40%). Among patients with detectable MSI in available FFPE samples, median MSI burden was 29.3% (range, 10-40%). bMSI detected in baseline LB and FFPE samples were positively correlated (Pearson's R 0.47). Maximal variant allele frequencies of driver mutations observed in LB were also positively correlated with bMSI burden (Pearson's R 0.7). Patients who had clinical benefit had undetectable bMSI burden at follow-up. Our results provide the rationale for further validation of bMSI as a predictive biomarker of ICI in MSI-positive patients.
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Affiliation(s)
- Egor Veselovsky
- OncoAtlas LLC, 4/1A, Leninskiy Prospect, Moscow, Russian Federation, 119049
- Department of Evolutionary Genetics of Development, Koltzov Institute of Developmental Biology of the Russian Academy of Sciences, Moscow, Russian Federation
| | - Alexandra Lebedeva
- OncoAtlas LLC, 4/1A, Leninskiy Prospect, Moscow, Russian Federation, 119049
- Sechenov First Moscow State Medical University, Moscow, Russian Federation
| | - Olesya Kuznetsova
- OncoAtlas LLC, 4/1A, Leninskiy Prospect, Moscow, Russian Federation, 119049
- Federal State Budgetary Institution N.N. Blokhin National Medical Research Center of Oncology, Moscow, Russian Federation
| | - Daria Kravchuk
- State Budgetary Institution of Health Care of the City of Moscow "Moscow Multidisciplinary Clinical Center" "Kommunarka" of the Department of Health of the City of Moscow, Moscow, Russian Federation
| | - Ekaterina Belova
- OncoAtlas LLC, 4/1A, Leninskiy Prospect, Moscow, Russian Federation, 119049
- Sechenov First Moscow State Medical University, Moscow, Russian Federation
- Lomonosov Moscow State University, Moscow, Russian Federation
| | | | - Tatiana Grigoreva
- OncoAtlas LLC, 4/1A, Leninskiy Prospect, Moscow, Russian Federation, 119049
- Sechenov First Moscow State Medical University, Moscow, Russian Federation
| | - Alexandra Kavun
- OncoAtlas LLC, 4/1A, Leninskiy Prospect, Moscow, Russian Federation, 119049
| | - Victoria Yudina
- Federal State Budgetary Institution N.N. Blokhin National Medical Research Center of Oncology, Moscow, Russian Federation
| | - Laima Belyaeva
- OncoAtlas LLC, 4/1A, Leninskiy Prospect, Moscow, Russian Federation, 119049
- Sechenov First Moscow State Medical University, Moscow, Russian Federation
| | - Vladislav Nikulin
- Federal State Budgetary Institution N.N. Blokhin National Medical Research Center of Oncology, Moscow, Russian Federation
| | - Vladislav Mileyko
- OncoAtlas LLC, 4/1A, Leninskiy Prospect, Moscow, Russian Federation, 119049
- Sechenov First Moscow State Medical University, Moscow, Russian Federation
| | - Alexey Tryakin
- Federal State Budgetary Institution N.N. Blokhin National Medical Research Center of Oncology, Moscow, Russian Federation
| | - Mikhail Fedyanin
- Federal State Budgetary Institution N.N. Blokhin National Medical Research Center of Oncology, Moscow, Russian Federation
- State Budgetary Institution of Health Care of the City of Moscow "Moscow Multidisciplinary Clinical Center" "Kommunarka" of the Department of Health of the City of Moscow, Moscow, Russian Federation
- Federal State Budgetary Institution "National Medical and Surgical Center named after N.I. Pirogov" of the Ministry of Health of the Russian Federation, Moscow, Russian Federation
| | - Maxim Ivanov
- OncoAtlas LLC, 4/1A, Leninskiy Prospect, Moscow, Russian Federation, 119049.
- Sechenov First Moscow State Medical University, Moscow, Russian Federation.
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4
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Mencel J, Alves A, Angelis V, Gerlinger M, Starling N. State of the art: Targeting microsatellite instability in gastrointestinal cancers. Crit Rev Oncol Hematol 2024; 199:104387. [PMID: 38734279 DOI: 10.1016/j.critrevonc.2024.104387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 05/01/2024] [Accepted: 05/06/2024] [Indexed: 05/13/2024] Open
Abstract
DNA mismatch repair (MMR) deficiency and the associated microsatellite instability (MSI) phenotype has become a subject of enormous interest in recent years due to the demonstrated efficacy of immune checkpoint inhibitors (ICI) in advanced tumours. Assessing MSI in patients with gastrointestinal tract (GI) cancers is useful to exclude Lynch syndrome, but also to predict benefit for ICI. Following review of the relevant literature, this review article aims to outline the clinicopathologic spectrum of MSI and mismatch repair deficiency (dMMR) in the GI tract, hepatobiliary system and pancreas and discuss the therapeutic consideration in this disease.
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Affiliation(s)
- Justin Mencel
- Gastrointestinal and Lymphoma Unit, Royal Marsden NHS Foundation, London, United Kingdom
| | - Anneke Alves
- Gastrointestinal and Lymphoma Unit, Royal Marsden NHS Foundation, London, United Kingdom
| | - Vasileios Angelis
- Gastrointestinal and Lymphoma Unit, Royal Marsden NHS Foundation, London, United Kingdom
| | - Marco Gerlinger
- Gastrointestinal and Lymphoma Unit, Royal Marsden NHS Foundation, London, United Kingdom
| | - Naureen Starling
- Gastrointestinal and Lymphoma Unit, Royal Marsden NHS Foundation, London, United Kingdom.
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Rodriguez JE, Vasseur D, Bani MA, Cabaret O, Cotteret S, Muleris M, Golbarg V, Malka D, Pudlarz T, Caron O, Smolenschi C. Case report: Microsatellite instability determination is not always black and white in Lynch syndrome diagnosis. Front Oncol 2024; 14:1396869. [PMID: 38957326 PMCID: PMC11217479 DOI: 10.3389/fonc.2024.1396869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Accepted: 05/24/2024] [Indexed: 07/04/2024] Open
Abstract
Introduction Microsatellite instability (MSI) is a genetic marker that is useful in the detection and treatment of Lynch syndrome (Sd). Although conventional techniques such as immunohistochemistry (IHC) and polymerase chain reaction (PCR) are the standards for MSI detection, the advent of next-generation sequencing (NGS) has offered new possibilities, especially with circulating DNA. Case report We present the case of a 26-year-old patient with Lynch Sd and a BRAF-mutated metastatic colon cancer. The discordant MSI results between the conventional methods and NGS posed challenges in making treatment decisions. Subsequent NGS analysis revealed a high MSI status, leading to participation in an immunotherapy trial, with remarkable clinical response. Conclusion This case emphasizes the importance of comprehensive molecular profiling and strong interdisciplinary collaborations, especially in cases with ambiguous MSI results.
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Affiliation(s)
| | - Damien Vasseur
- Medical Biology and Pathology Department, Gustave Roussy Cancer Campus, Villejuif, France
| | - Mohamed Amine Bani
- Medical Biology and Pathology Department, Gustave Roussy Cancer Campus, Villejuif, France
- Medical Oncology Department, Gustave Roussy Cancer Campus, Villejuif, France
| | - Odile Cabaret
- Medical Biology and Pathology Department, Gustave Roussy Cancer Campus, Villejuif, France
| | - Sophie Cotteret
- Biology and Genetics Department, Centre Eugène Marquis, Rennes, France
| | - Martine Muleris
- Department of Genetics, Hôpital Pitié-Salpêtrière, Assistance Publique – Hôpitaux de Paris (AP-HP), Sorbonne Université, Paris, France
| | - Veronica Golbarg
- Medical Oncology Department, Gustave Roussy Cancer Campus, Villejuif, France
| | - David Malka
- Gastroenterology and Hepatology Department, Institut Mutualiste Montsouris, Paris, France
| | - Thomas Pudlarz
- Medical Oncology Department, Gustave Roussy Cancer Campus, Villejuif, France
| | - Olivier Caron
- Medical Oncology Department, Gustave Roussy Cancer Campus, Villejuif, France
| | - Cristina Smolenschi
- Drug Development Department, Gustave Roussy Cancer Campus, Villejuif, France
- Medical Biology and Pathology Department, Gustave Roussy Cancer Campus, Villejuif, France
- Medical Oncology Department, Gustave Roussy Cancer Campus, Villejuif, France
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6
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Yu P, Chen P, Wu M, Ding G, Bao H, Du Y, Xu Z, Yang L, Fang J, Huang X, Lai Q, Wei J, Yan J, Yang S, He P, Wu X, Shao Y, Su D, Cheng X. Multi-dimensional cell-free DNA-based liquid biopsy for sensitive early detection of gastric cancer. Genome Med 2024; 16:79. [PMID: 38849905 PMCID: PMC11157707 DOI: 10.1186/s13073-024-01352-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 05/29/2024] [Indexed: 06/09/2024] Open
Abstract
BACKGROUND Gastric cancer is the fifth most common cancer type. Most patients are diagnosed at advanced stages with poor prognosis. A non-invasive assay for the detection of early-stage gastric cancer is highly desirable for reducing associated mortality. METHODS We collected a prospective study cohort of 110 stage I-II gastric cancer patients and 139 non-cancer individuals. We performed whole-genome sequencing with plasma samples and profiled four types of cell-free DNA (cfDNA) characteristics, fragment size pattern, copy number variation, nucleosome coverage pattern, and single nucleotide substitution. With these differential profiles, we developed an ensemble model to detect gastric cancer signals. Further, we validated the assay in an in-house first validation cohort of 73 gastric cancer patients and 94 non-cancer individuals and an independent second validation cohort of 47 gastric cancer patients and 49 non-cancer individuals. Additionally, we evaluated the assay in a hypothetical 100,000 screening population by Monte Carlo simulation. RESULTS Our cfDNA-based assay could distinguish early-stage gastric cancer from non-cancer at an AUROC of 0.962 (95% CI: 0.942-0.982) in the study cohort, 0.972 (95% CI: 0.953-0.992) in the first validation cohort and 0.937 (95% CI: 0.890-0.983) in the second validation cohort. The model reached a specificity of 92.1% (128/139) and a sensitivity of 88.2% (97/110) in the study cohort. In the first validation cohort, 91.5% (86/94) of non-cancer individuals and 91.8% (67/73) of gastric cancer patients were correctly identified. In the second validation cohort, 89.8% (44/49) of non-cancer individuals and 87.2% (41/47) of gastric cancer patients were accurately classified. CONCLUSIONS We introduced a liquid biopsy assay using multiple dimensions of cfDNA characteristics that could accurately identify early-stage gastric cancer from non-cancerous conditions. As a cost-effective non-invasive approach, it may provide population-wide benefits for the early detection of gastric cancer. TRIAL REGISTRATION This study was registered on ClinicalTrials.gov under the identifier NCT05269056 on March 7, 2022.
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Affiliation(s)
- Pengfei Yu
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang, 310022, China
| | - Ping Chen
- Department of Gastrointestinal Surgery, Ningbo No.2 Hospital, Ningbo, Zhejiang, 315010, China
| | - Min Wu
- Geneseeq Research Institute, Nanjing Geneseeq Technology Inc., Nanjing, Jiangsu, 210032, China
| | - Guangyu Ding
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang, 310022, China
| | - Hua Bao
- Geneseeq Research Institute, Nanjing Geneseeq Technology Inc., Nanjing, Jiangsu, 210032, China
| | - Yian Du
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang, 310022, China
| | - Zhiyuan Xu
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang, 310022, China
| | - Litao Yang
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang, 310022, China
| | - Jingquan Fang
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang, 310022, China
| | - Xingmao Huang
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang, 310022, China
| | - Qian Lai
- Department of Pathology, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang, 310022, China
| | - Jia Wei
- Department of Pathology, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang, 310022, China
| | - Junrong Yan
- Geneseeq Research Institute, Nanjing Geneseeq Technology Inc., Nanjing, Jiangsu, 210032, China
| | - Shanshan Yang
- Geneseeq Research Institute, Nanjing Geneseeq Technology Inc., Nanjing, Jiangsu, 210032, China
| | - Peng He
- Geneseeq Research Institute, Nanjing Geneseeq Technology Inc., Nanjing, Jiangsu, 210032, China
| | - Xue Wu
- Geneseeq Research Institute, Nanjing Geneseeq Technology Inc., Nanjing, Jiangsu, 210032, China
| | - Yang Shao
- Geneseeq Research Institute, Nanjing Geneseeq Technology Inc., Nanjing, Jiangsu, 210032, China
- School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, 211166, China
| | - Dan Su
- Department of Pathology, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang, 310022, China.
| | - Xiangdong Cheng
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang, 310022, China.
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7
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Yamamoto H, Watanabe Y, Arai H, Umemoto K, Tateishi K, Sunakawa Y. Microsatellite instability: A 2024 update. Cancer Sci 2024; 115:1738-1748. [PMID: 38528657 PMCID: PMC11145116 DOI: 10.1111/cas.16160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 02/27/2024] [Accepted: 03/08/2024] [Indexed: 03/27/2024] Open
Abstract
Deficient mismatch repair (dMMR) results in microsatellite instability (MSI), a pronounced mutator phenotype. High-frequency MSI (MSI-H)/dMMR is gaining increasing interest as a biomarker for advanced cancer patients to determine their eligibility for immune checkpoint inhibitors (ICIs). Various methods based on next-generation sequencing (NGS) have been developed to assess the MSI status. Comprehensive genomic profiling (CGP) testing can precisely ascertain the MSI status as well as genomic alterations in a single NGS test. The MSI status can be also ascertained through the liquid biopsy-based CGP assays. MSI-H has thus been identified in various classes of tumors, resulting in a greater adoption of immunotherapy, which is hypothesized to be effective against malignancies that possess a substantial number of mutations and/or neoantigens. NGS-based studies have also characterized MSI-driven carcinogenesis, including significant rates of fusion kinases in colorectal cancers (CRCs) with MSI-H that are targets for therapeutic kinase inhibitors, particularly in MLH1-methylated CRCs with wild-type KRAS/BRAF. NTRK fusion is linked to the colorectal serrated neoplasia pathway. Recent advances in investigations of MSI-H malignancies have resulted in the development of novel diagnostic or therapeutic techniques, such as a synthetic lethal therapy that targets the Werner gene. DNA sensing in cancer cells is required for antitumor immunity induced by dMMR, opening up novel avenues and biomarkers for immunotherapy. Therefore, clinical relevance exists for analyses of MSI and MSI-H-associated genomic alterations in malignancy. In this article, we provide an update on MSI-driven carcinogenesis, with an emphasis on unique landscapes of diagnostic and immunotherapeutic strategies.
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Affiliation(s)
- Hiroyuki Yamamoto
- Department of BioinformaticsSt. Marianna University Graduate School of MedicineKawasakiJapan
- Department of GastroenterologySt. Marianna University School of MedicineKawasakiJapan
| | - Yoshiyuki Watanabe
- Department of GastroenterologySt. Marianna University School of MedicineKawasakiJapan
- Department of Internal MedicineKawasaki Rinko General HospitalKawasakiJapan
| | - Hiroyuki Arai
- Department of Clinical OncologySt. Marianna University School of MedicineKawasakiJapan
| | - Kumiko Umemoto
- Department of Clinical OncologySt. Marianna University School of MedicineKawasakiJapan
| | - Keisuke Tateishi
- Department of GastroenterologySt. Marianna University School of MedicineKawasakiJapan
| | - Yu Sunakawa
- Department of Clinical OncologySt. Marianna University School of MedicineKawasakiJapan
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8
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Mehdi M, Szabo A, Shreenivas A, Thomas JP, Tsai S, Christians KK, Evans DB, Clarke CN, Hall WA, Erickson B, Ahmed G, Thapa B, McFall T, George B, Kurzrock R, Kamgar M. Chemotherapy-free treatment targeting fusions and driver mutations in KRAS wild-type pancreatic ductal adenocarcinoma, a case series. Ther Adv Med Oncol 2024; 16:17588359241253113. [PMID: 38770091 PMCID: PMC11104030 DOI: 10.1177/17588359241253113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 04/18/2024] [Indexed: 05/22/2024] Open
Abstract
Background KRAS wild-type (WT) pancreatic ductal adenocarcinoma (PDAC) represents a distinct entity with unique biology. The therapeutic impact of matched targeted therapy in these patients in a real-world setting, to date, is less established. Objectives The aim of our study was to review our institutional database to identify the prevalence of actionable genomic alterations in patients with KRAS-WT tumors and to evaluate the therapeutic impact of matched targeted therapy in these patients. Design We reviewed electronic medical records of patients with KRAS-WT PDAC and advanced disease (n = 14) who underwent clinical-grade tissue ± liquid next-generation sequencing (315-648 genes for tissue) between years 2015 and 2021. Methods Demographic and disease characteristics were summarized using descriptive parameters. Progression-free survival (PFS) and overall survival (OS) were estimated using the Kaplan-Meier method. Results Of 236 PDAC patients, 14 had advanced/metastatic disease with KRAS-WT tumors. Median age at diagnosis was 66 years. There was a high frequency of potentially actionable genomic alterations, including three (21%) with BRAF alterations, two (14%) with fusions [RET-PCM1 and FGFR2-POC1B (N = 1 each)]; and one with a druggable EGFR (EGFR E746_A755delISERD) variant; two other patients had an STK11 and a MUTYH alteration. Five patients were treated with matched targeted therapy, with three having durable benefit: (i) erlotinib for EGFR-altered tumor, followed by osimertinib/capmatinib when MET amplification emerged (first-line therapy); (ii) pralsetinib for RET fusion (fifth line); and (iii) dabrafenib/trametinib for BRAF N486_P490del (third line). Duration of time on chemotherapy-free matched targeted therapy for these patients was 17+, 11, and 18+ months, respectively. Conclusion Sustained therapeutic benefit can be achieved in a real-world setting in a subset of patients with advanced/metastatic KRAS-WT PDAC treated with chemotherapy-free matched targeted agents. Prospective studies are warranted.
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Affiliation(s)
- Maahum Mehdi
- Department of Medicine, Medical College of Wisconsin and the LaBahn Pancreatic Cancer Program, Milwaukee, WI, USA
| | - Aniko Szabo
- Division of Biostatistics, Institute for Health and Equity, Medical College of Wisconsin and the LaBahn Pancreatic Cancer Program, Milwaukee, WI, USA
| | - Aditya Shreenivas
- Division of Hematology and Oncology, Department of Medicine, Medical College of Wisconsin and the LaBahn Pancreatic Cancer Program, Milwaukee, WI, USA
| | - James P. Thomas
- Division of Hematology and Oncology, Department of Medicine, Medical College of Wisconsin and the LaBahn Pancreatic Cancer Program, Milwaukee, WI, USA
| | - Susan Tsai
- Department of Surgery, Medical College of Wisconsin and the LaBahn Pancreatic Cancer Program, Milwaukee, WI, USA
| | - Kathleen K. Christians
- Department of Surgery, Medical College of Wisconsin and the LaBahn Pancreatic Cancer Program, Milwaukee, WI, USA
| | - Douglas B. Evans
- Department of Surgery, Medical College of Wisconsin and the LaBahn Pancreatic Cancer Program, Milwaukee, WI, USA
| | - Callisia N. Clarke
- Department of Surgery, Medical College of Wisconsin and the LaBahn Pancreatic Cancer Program, Milwaukee, WI, USA
| | - William A. Hall
- Department of Radiation Oncology, Medical College of Wisconsin and the LaBahn Pancreatic Cancer Program, Milwaukee, WI, USA
| | - Beth Erickson
- Department of Radiation Oncology, Medical College of Wisconsin and the LaBahn Pancreatic Cancer Program, Milwaukee, WI, USA
| | - Gulrayz Ahmed
- Division of Hematology and Oncology, Department of Medicine, Medical College of Wisconsin and the LaBahn Pancreatic Cancer Program, Milwaukee, WI, USA
| | - Bicky Thapa
- Division of Hematology and Oncology, Department of Medicine, Medical College of Wisconsin and the LaBahn Pancreatic Cancer Program, Milwaukee, WI, USA
| | - Thomas McFall
- Department of Biochemistry, Medical College of Wisconsin and the LaBahn Pancreatic Cancer Program, Milwaukee, WI, USA
| | - Ben George
- Division of Hematology and Oncology, Department of Medicine, Medical College of Wisconsin and the LaBahn Pancreatic Cancer Program, Milwaukee, WI, USA
| | - Razelle Kurzrock
- Division of Hematology and Oncology, Department of Medicine, Medical College of Wisconsin and the LaBahn Pancreatic Cancer Program, Milwaukee, WI, USA
| | - Mandana Kamgar
- Division of Hematology and Oncology, Department of Medicine, Medical College of Wisconsin and the LaBahn Pancreatic Cancer Program, 9200 West Wisconsin Avenue, Milwaukee, WI 53226, USA
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9
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Inakami K, Fujita N, Iguchi C, Enomoto Y, Minohata J, Sata A, Miyagawa Y, Yanagisawa T, Saitoh T, Nomura T, Sawai Y, Takahara K, Kasugai T, Shiba E. Pembrolizumab response in stage IV luminal-type breast cancer with high microsatellite instability: a case report. J Med Case Rep 2024; 18:214. [PMID: 38689362 PMCID: PMC11061995 DOI: 10.1186/s13256-024-04522-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 03/24/2024] [Indexed: 05/02/2024] Open
Abstract
BACKGROUND Pembrolizumab (PEM), an immune checkpoint inhibitor (ICI), is often used for triple-negative breast cancer, but can also be used to treat solid tumors that exhibit high microsatellite instability (MSI-High). However, patients with breast cancer rarely have MSI-High, the use of PEM in such cases in clinical practice is uncertain due to lack of sufficient supporting data. Here, we report the case of a premenopausal woman in who received PEM for MSI-High luminal-type breast cancer. CASE PRESENTATION A 40-year-old premenopausal Asian woman was diagnosed with stage IIA (T2N0M0) breast cancer and had an Oncotype DX recurrence score of 38. After surgery, she received 4 courses of chemotherapy with docetaxel and cyclophosphamide. After 3 months of tamoxifen therapy, the patient complained of abdominal pain due to right iliac metastasis, and biopsy of the metastatic lesion showed of luminal type; she was sequentially treated with fulvestrant, a CDK4/6 inhibitor, and an anticancer drug (TS1), but over the next year, metastasis to the bone and para-aortic lymph nodes increased. Tumor was MSI-High; PEM was started, and after three courses, bone metastases were reduced, para-aortic lymph node metastases resolved, opioids were discontinued, and the patient returned to society; PEM was administered for 1 year with no worsening of bone metastases on imaging. Asymptomatic brain metastasis less than 1 cm was detected and gamma knife was performed. Six months after completion of PEM, the patient is working with no new lesions. CONCLUSION We report a case of luminal-type breast cancer with bone metastases and MSI-High, which was treated with PEM and showed a rapid therapeutic response.
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Affiliation(s)
- Keiko Inakami
- Department of Breast and Endocrine Surgery, Osaka Breast Clinic, 1-13-8 Ohiraki Fukushima, Osaka, 553-0007, Japan.
| | - Noriko Fujita
- Department of Breast and Endocrine Surgery, Osaka Breast Clinic, 1-13-8 Ohiraki Fukushima, Osaka, 553-0007, Japan
| | - Chikage Iguchi
- Department of Breast and Endocrine Surgery, Osaka Breast Clinic, 1-13-8 Ohiraki Fukushima, Osaka, 553-0007, Japan
| | - Yukie Enomoto
- Department of Breast and Endocrine Surgery, Osaka Breast Clinic, 1-13-8 Ohiraki Fukushima, Osaka, 553-0007, Japan
| | - Junya Minohata
- Department of Breast and Endocrine Surgery, Osaka Breast Clinic, 1-13-8 Ohiraki Fukushima, Osaka, 553-0007, Japan
| | - Atsushi Sata
- Department of Breast and Endocrine Surgery, Osaka Breast Clinic, 1-13-8 Ohiraki Fukushima, Osaka, 553-0007, Japan
| | - Yoshimasa Miyagawa
- Department of Breast and Endocrine Surgery, Osaka Breast Clinic, 1-13-8 Ohiraki Fukushima, Osaka, 553-0007, Japan
| | - Tetsu Yanagisawa
- Department of Breast and Endocrine Surgery, Osaka Breast Clinic, 1-13-8 Ohiraki Fukushima, Osaka, 553-0007, Japan
| | - Tomokazu Saitoh
- Department of Breast and Endocrine Surgery, Osaka Breast Clinic, 1-13-8 Ohiraki Fukushima, Osaka, 553-0007, Japan
| | - Takashi Nomura
- Department of Breast and Endocrine Surgery, Osaka Breast Clinic, 1-13-8 Ohiraki Fukushima, Osaka, 553-0007, Japan
| | - Yuka Sawai
- Department of Radiology, Osaka Breast Clinic, Osaka, Japan
| | - Keiko Takahara
- Department of Radiotherapy, Osaka Breast Clinic, Osaka, Japan
| | | | - Eiichi Shiba
- Department of Breast and Endocrine Surgery, Osaka Breast Clinic, 1-13-8 Ohiraki Fukushima, Osaka, 553-0007, Japan
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10
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Laguna JC, Pastor B, Nalda I, Hijazo-Pechero S, Teixido C, Potrony M, Puig-Butillé JA, Mezquita L. Incidental pathogenic germline alterations detected through liquid biopsy in patients with solid tumors: prevalence, clinical utility and implications. Br J Cancer 2024; 130:1420-1431. [PMID: 38532104 PMCID: PMC11059286 DOI: 10.1038/s41416-024-02607-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 01/14/2024] [Accepted: 01/25/2024] [Indexed: 03/28/2024] Open
Abstract
Liquid biopsy, a minimally invasive approach for detecting tumor biomarkers in blood, has emerged as a leading-edge technique in cancer precision medicine. New evidence has shown that liquid biopsies can incidentally detect pathogenic germline variants (PGVs) associated with cancer predisposition, including in patients with a cancer for which genetic testing is not recommended. The ability to detect these incidental PGV in cancer patients through liquid biopsy raises important questions regarding the management of this information and its clinical implications. This incidental identification of PGVs raises concerns about cancer predisposition and the potential impact on patient management, not only in terms of providing access to treatment based on the tumor molecular profiling, but also the management of revealing genetic predisposition in patients and families. Understanding how to interpret this information is essential to ensure proper decision-making and to optimize cancer treatment and prevention strategies. In this review we provide a comprehensive summary of current evidence of incidental PGVs in cancer predisposition genes identified by liquid biopsy in patients with cancer. We critically review the methodological considerations of liquid biopsy as a tool for germline diagnosis, clinical utility and potential implications for cancer prevention, treatment, and research.
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Affiliation(s)
- Juan Carlos Laguna
- Medical Oncology Department, Hospital Clinic of Barcelona, Barcelona, Spain
- Laboratory of Translational Genomics and Targeted Therapies in Solid Tumors, IDIBAPS, Barcelona, Spain
| | - Belén Pastor
- Medical Oncology Department, Hospital Clinic of Barcelona, Barcelona, Spain
| | - Irene Nalda
- Medical Oncology Department, Hospital Clinic of Barcelona, Barcelona, Spain
- Laboratory of Translational Genomics and Targeted Therapies in Solid Tumors, IDIBAPS, Barcelona, Spain
| | - Sara Hijazo-Pechero
- Preclinical and Experimental Research in Thoracic Tumors (PRETT), Oncobell, Bellvitge Biomedical Research Institute (IDIBELL), l'Hospitalet de Llobregat, Barcelona, Spain
| | - Cristina Teixido
- Laboratory of Translational Genomics and Targeted Therapies in Solid Tumors, IDIBAPS, Barcelona, Spain
- Department of Medicine, University of Barcelona, Barcelona, Spain
- Department of Pathology, Hospital Clinic of Barcelona, Barcelona, Spain
| | - Miriam Potrony
- Biochemistry and Molecular Genetics Department, Hospital Clínic of Barcelona, IDIBAPS, Barcelona, Spain
- CIBER of Rare Diseases (CIBERER), Barcelona, Spain
| | - Joan Antón Puig-Butillé
- CIBER of Rare Diseases (CIBERER), Barcelona, Spain
- Molecular Biology CORE, Hospital Clínic of Barcelona, IDIBAPS, Barcelona, Spain
| | - Laura Mezquita
- Medical Oncology Department, Hospital Clinic of Barcelona, Barcelona, Spain.
- Laboratory of Translational Genomics and Targeted Therapies in Solid Tumors, IDIBAPS, Barcelona, Spain.
- Department of Medicine, University of Barcelona, Barcelona, Spain.
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11
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Slootbeek PHJ, Tolmeijer SH, Mehra N, Schalken JA. Therapeutic biomarkers in metastatic castration-resistant prostate cancer: does the state matter? Crit Rev Clin Lab Sci 2024; 61:178-204. [PMID: 37882463 DOI: 10.1080/10408363.2023.2266482] [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: 06/07/2023] [Accepted: 09/28/2023] [Indexed: 10/27/2023]
Abstract
The treatment of metastatic castration-resistant prostate cancer (mCRPC) has been fundamentally transformed by our greater understanding of its complex biological mechanisms and its entrance into the era of precision oncology. A broad aim is to use the extreme heterogeneity of mCRPC by matching already approved or new targeted therapies to the correct tumor genotype. To achieve this, tumor DNA must be obtained, sequenced, and correctly interpreted, with individual aberrations explored for their druggability, taking into account the hierarchy of driving molecular pathways. Although tumor tissue sequencing is the gold standard, tumor tissue can be challenging to obtain, and a biopsy from one metastatic site or primary tumor may not provide an accurate representation of the current genetic underpinning. Sequencing of circulating tumor DNA (ctDNA) might catalyze precision oncology in mCRPC, as it enables real-time observation of genomic changes in tumors and allows for monitoring of treatment response and identification of resistance mechanisms. Moreover, ctDNA can be used to identify mutations that may not be detected in solitary metastatic lesions and can provide a more in-depth understanding of inter- and intra-tumor heterogeneity. Finally, ctDNA abundance can serve as a prognostic biomarker in patients with mCRPC.The androgen receptor (AR)-axis is a well-established therapeutical target for prostate cancer, and through ctDNA sequencing, insights have been obtained in (temporal) resistance mechanisms that develop through castration resistance. New third-generation AR-axis inhibitors are being developed to overcome some of these resistance mechanisms. The druggability of defects in the DNA damage repair machinery has impacted the treatment landscape of mCRPC in recent years. For patients with deleterious gene aberrations in genes linked to homologous recombination, particularly BRCA1 or BRCA2, PARP inhibitors have shown efficacy compared to the standard of care armamentarium, but platinum-based chemotherapy may be equally effective. A hierarchy exists in genes associated with homologous recombination, where, besides the canonical genes in this pathway, not every other gene aberration predicts the same likelihood of response. Moreover, evidence is emerging on cross-resistance between therapies such as PARP inhibitors, platinum-based chemotherapy and even radioligand therapy that target this genotype. Mismatch repair-deficient patients can experience a beneficial response to immune checkpoint inhibitors. Activation of other cellular signaling pathways such as PI3K, cell cycle, and MAPK have shown limited success with monotherapy, but there is potential in co-targeting these pathways with combination therapy, either already witnessed or anticipated. This review outlines precision medicine in mCRPC, zooming in on the role of ctDNA, to identify genomic biomarkers that may be used to tailor molecularly targeted therapies. The most common druggable pathways and outcomes of therapies matched to these pathways are discussed.
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Affiliation(s)
- Peter H J Slootbeek
- Department of Medical Oncology, Radboud university medical center, Nijmegen, The Netherland
| | - Sofie H Tolmeijer
- Department of Medical Oncology, Radboud university medical center, Nijmegen, The Netherland
| | - Niven Mehra
- Department of Medical Oncology, Radboud university medical center, Nijmegen, The Netherland
| | - Jack A Schalken
- Department of Experimental Urology, Research Institute of Medical Innovation, Radboud university medical center, Nijmegen, The Netherlands
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12
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Lee JS, Cho EH, Kim B, Hong J, Kim YG, Kim Y, Jang JH, Lee ST, Kong SY, Lee W, Shin S, Song EY. Clinical Practice Guideline for Blood-based Circulating Tumor DNA Assays. Ann Lab Med 2024; 44:195-209. [PMID: 38221747 PMCID: PMC10813828 DOI: 10.3343/alm.2023.0389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 12/06/2023] [Accepted: 01/06/2024] [Indexed: 01/16/2024] Open
Abstract
Circulating tumor DNA (ctDNA) has emerged as a promising tool for various clinical applications, including early diagnosis, therapeutic target identification, treatment response monitoring, prognosis evaluation, and minimal residual disease detection. Consequently, ctDNA assays have been incorporated into clinical practice. In this review, we offer an in-depth exploration of the clinical implementation of ctDNA assays. Notably, we examined existing evidence related to pre-analytical procedures, analytical components in current technologies, and result interpretation and reporting processes. The primary objective of this guidelines is to provide recommendations for the clinical utilization of ctDNA assays.
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Affiliation(s)
- Jee-Soo Lee
- Department of Laboratory Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Eun Hye Cho
- Department of Laboratory Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Boram Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | | | - Young-gon Kim
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Yoonjung Kim
- Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Ja-Hyun Jang
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Seung-Tae Lee
- Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, Korea
- Dxome Co. Ltd., Seongnam, Korea
| | - Sun-Young Kong
- Department of Laboratory Medicine, National Cancer Center, Goyang, Korea
| | - Woochang Lee
- Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Saeam Shin
- Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Eun Young Song
- Department of Laboratory Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
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13
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Wilbur HC, Le DT, Agarwal P. Immunotherapy of MSI Cancer: Facts and Hopes. Clin Cancer Res 2024; 30:1438-1447. [PMID: 38015720 DOI: 10.1158/1078-0432.ccr-21-1935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 09/14/2023] [Accepted: 11/06/2023] [Indexed: 11/30/2023]
Abstract
Microsatellite instability (MSI) is a tumor molecular phenotype that evolves from loss of function in the mismatch repair (MMR) proteins through deleterious germline mutations, epigenetic inactivation, or somatic biallelic mutations. This phenotype is characterized by genomic hyper-mutability, increased neoantigen expression, and a favorable, immune-rich tumor microenvironment. These features confer a greater likelihood of response to treatment with the class of agents known as immune checkpoint inhibitors (ICI) and, potentially, other immune-based therapeutics. MSI as a predictive biomarker for response to treatment with ICIs ultimately led to the first tissue-agnostic approval of pembrolizumab for advanced, previously treated MSI or deficient MMR (dMMR) tumors. Nevertheless, response to ICIs in dMMR/MSI tumors is not universal. Identifying predictors of response and elucidating mechanisms of immune escape will be crucial to continued successful treatment of this subset. In this review, we aim to describe the pathogenesis and key immunologic features of dMMR/MSI tumors, provide a brief overview of the currently approved treatments, and discuss promising novel immune-based therapeutics currently under investigation.
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Affiliation(s)
- H Catherine Wilbur
- The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, Maryland
| | - Dung T Le
- The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, Maryland
| | - Parul Agarwal
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania
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14
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Nagakawa S, Shiota M, Takamatsu D, Tsukahara S, Mastumoto T, Blas L, Inokuchi J, Oda Y, Eto M. Clinical features and oncological outcomes of bladder cancer microsatellite instability. Int J Urol 2024; 31:438-445. [PMID: 38193376 DOI: 10.1111/iju.15370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 12/07/2023] [Indexed: 01/10/2024]
Abstract
OBJECTIVES Excellent anticancer effect for solid tumors with microsatellite instability (MSI)-high by anti-PD-1 antibody has been reported. In this study, we investigated the clinical impact of MSI status in bladder cancer. METHODS This study included 205 Japanese patients who underwent transurethral resection for bladder cancer between 2005 and 2021. The prevalence rates of microsatellite stable (MSS), MSI-low (MSI-L), and MSI-high (MSI-H) were determined using molecular testing. We examined the association of MSI status (MSS versus MSI-L/H) with clinicopathological characteristics and oncological outcomes. RESULTS MSI-L/H tumors were associated with higher T-category in non-muscle invasive bladder cancer (NMIBC). Additionally, MSI-L/H tumors were associated with a higher risk of intravesical recurrence in NMIBC patients treated with intravesical bacillus Calmette-Guérin (BCG) but not with non-BCG therapy. CONCLUSIONS This study suggested that the MSI status might serve as a predictive marker for intravesical recurrence after BCG intravesical therapy in NMIBC and highlighted an unmet need for an alternative treatment in patients with MSI-L/H tumors.
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Affiliation(s)
- Shohei Nagakawa
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masaki Shiota
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Dai Takamatsu
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Shigehiro Tsukahara
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Takashi Mastumoto
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Leandro Blas
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Junichi Inokuchi
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yoshihiro Oda
- Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masatoshi Eto
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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15
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Passaro A, Al Bakir M, Hamilton EG, Diehn M, André F, Roy-Chowdhuri S, Mountzios G, Wistuba II, Swanton C, Peters S. Cancer biomarkers: Emerging trends and clinical implications for personalized treatment. Cell 2024; 187:1617-1635. [PMID: 38552610 PMCID: PMC7616034 DOI: 10.1016/j.cell.2024.02.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 02/21/2024] [Accepted: 02/28/2024] [Indexed: 04/02/2024]
Abstract
The integration of cancer biomarkers into oncology has revolutionized cancer treatment, yielding remarkable advancements in cancer therapeutics and the prognosis of cancer patients. The development of personalized medicine represents a turning point and a new paradigm in cancer management, as biomarkers enable oncologists to tailor treatments based on the unique molecular profile of each patient's tumor. In this review, we discuss the scientific milestones of cancer biomarkers and explore future possibilities to improve the management of patients with solid tumors. This progress is primarily attributed to the biological characterization of cancers, advancements in testing methodologies, elucidation of the immune microenvironment, and the ability to profile circulating tumor fractions. Integrating these insights promises to continually advance the precision oncology field, fostering better patient outcomes.
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Affiliation(s)
- Antonio Passaro
- Division of Thoracic Oncology, European Institute of Oncology IRCCS, Milan, Italy
| | - Maise Al Bakir
- Cancer Evolution and Genome Instability Laboratory, The Francis Crick Institute, London, UK; Cancer Research UK Lung Cancer Centre of Excellence, University College London Cancer Institute, London, UK
| | - Emily G Hamilton
- Department of Radiation Oncology, Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA
| | - Maximilian Diehn
- Department of Radiation Oncology, Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA
| | - Fabrice André
- Gustave-Roussy Cancer Center, Paris Saclay University, Villejuif, France
| | - Sinchita Roy-Chowdhuri
- Department of Anatomic Pathology and Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Giannis Mountzios
- Fourth Department of Medical Oncology and Clinical Trials Unit, Henry Dunant Hospital Center, Athens, Greece
| | - Ignacio I Wistuba
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Charles Swanton
- Cancer Evolution and Genome Instability Laboratory, The Francis Crick Institute, London, UK; Cancer Research UK Lung Cancer Centre of Excellence, University College London Cancer Institute, London, UK; Department of Oncology, University College London Hospitals, London, UK
| | - Solange Peters
- Department of Oncology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland.
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16
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Amato O, Giannopoulou N, Ignatiadis M. Circulating tumor DNA validity and potential uses in metastatic breast cancer. NPJ Breast Cancer 2024; 10:21. [PMID: 38472216 DOI: 10.1038/s41523-024-00626-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Accepted: 02/22/2024] [Indexed: 03/14/2024] Open
Abstract
Following the first characterization of circulating tumor DNA (ctDNA) in the 1990s, recent advances led to its introduction in the clinics. At present, the European Society Of Medical Oncology (ESMO) recommendations endorse ctDNA testing in routine clinical practice for tumor genotyping to direct molecularly targeted therapies in patients with metastatic cancer. In studies on metastatic breast cancer, ctDNA has been utilized for treatment tailoring, tracking mechanisms of drug resistance, and for predicting disease response before imaging. We review the available evidence regarding ctDNA applications in metastatic breast cancer.
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Affiliation(s)
- Ottavia Amato
- Department of Surgery, Oncology and Gastroenterology (DISCOG), University of Padova, Padova, Italy
- Medical Oncology 2, Istituto Oncologico Veneto IOV-IRCCS, Padova, Italy
| | - Nefeli Giannopoulou
- Department of Basic and Clinical Sciences, University of Nicosia Medical School, Nicosia, Cyprus
| | - Michail Ignatiadis
- Breast Medical Oncology Clinic, Institut Jules Bordet and Université Libre de Bruxelles, Brussels, Belgium.
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17
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Roazzi L, Patelli G, Bencardino KB, Amatu A, Bonazzina E, Tosi F, Amoruso B, Bombelli A, Mariano S, Stabile S, Porta C, Siena S, Sartore-Bianchi A. Ongoing Clinical Trials and Future Research Scenarios of Circulating Tumor DNA for the Treatment of Metastatic Colorectal Cancer. Clin Colorectal Cancer 2024:S1533-0028(24)00006-9. [PMID: 38519391 DOI: 10.1016/j.clcc.2024.02.001] [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: 09/14/2023] [Revised: 01/04/2024] [Accepted: 02/11/2024] [Indexed: 03/24/2024]
Abstract
Liquid biopsy using circulating tumor DNA (ctDNA) has emerged as a minimally invasive, timely approach to provide molecular diagnosis and monitor tumor evolution in patients with cancer. Since the molecular landscape of metastatic colorectal cancer (mCRC) is substantially heterogeneous and dynamic over space and time, ctDNA holds significant advantages as a biomarker for this disease. Numerous studies have demonstrated that ctDNA broadly recapitulates the molecular profile of the primary tumor and metastases, and have mainly focused on the genotyping of RAS and BRAF, that is propaedeutic for anti-EGFR treatment selection. However, ctDNA soon broadened its scope towards the assessment of early tumor response, as well as the identification of drug resistance biomarkers to drive potential molecular actionability. In this review article, we provide an overview of the current state-of-the-art of this methodology and its applications, focusing on ongoing clinical trials that employ ctDNA to prospectively guide treatment in patients with mCRC.
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Affiliation(s)
- Laura Roazzi
- Department of Oncology and Hemato-Oncology, Università degli Studi di Milano, Milan, Italy; Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Giorgio Patelli
- Department of Oncology and Hemato-Oncology, Università degli Studi di Milano, Milan, Italy; Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy; IFOM ETS - The AIRC Institute of Molecular Oncology, Milan, Italy
| | - Katia Bruna Bencardino
- Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Alessio Amatu
- Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Erica Bonazzina
- Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Federica Tosi
- Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Brunella Amoruso
- Division of Medical Oncology, A.O.U. Consorziale Policlinico di Bari, Bari, Italy; Interdisciplinary Department of Medicine, University of Bari "Aldo Moro", Bari, Italy
| | - Anna Bombelli
- Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Sara Mariano
- Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Stefano Stabile
- Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Camillo Porta
- Division of Medical Oncology, A.O.U. Consorziale Policlinico di Bari, Bari, Italy; Interdisciplinary Department of Medicine, University of Bari "Aldo Moro", Bari, Italy
| | - Salvatore Siena
- Department of Oncology and Hemato-Oncology, Università degli Studi di Milano, Milan, Italy; Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy.
| | - Andrea Sartore-Bianchi
- Department of Oncology and Hemato-Oncology, Università degli Studi di Milano, Milan, Italy; Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy; Division of Clinical Research and Innovation, Grande Ospedale Metropolitano Niguarda, Milan, Italy.
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18
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Torresan S, de Scordilli M, Bortolot M, Di Nardo P, Foltran L, Fumagalli A, Guardascione M, Ongaro E, Puglisi F. Liquid biopsy in colorectal cancer: Onward and upward. Crit Rev Oncol Hematol 2024; 194:104242. [PMID: 38128627 DOI: 10.1016/j.critrevonc.2023.104242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 11/20/2023] [Accepted: 12/15/2023] [Indexed: 12/23/2023] Open
Abstract
Colorectal cancer (CRC) remains a leading cause of cancer-related deaths worldwide. In recent years, liquid biopsy has emerged as one of the most interesting areas of research in oncology, leading to innovative trials and practical changes in all aspects of CRC management. RNAs and cell free DNA (cfDNA) methylation are emerging as promising biomarkers for early diagnosis. Post-surgical circulating tumour DNA (ctDNA) can aid in evaluating minimal residual disease and personalising adjuvant treatment. In rectal cancer, ctDNA could improve response assessment to neoadjuvant therapy and risk stratification, especially in the era of organ-preservation trials. In the advanced setting, ctDNA analysis offers the opportunity to monitor treatment response and identify driver and resistance mutations more comprehensively than traditional tissue analysis, providing prognostic and predictive information. The aim of this review is to provide a detailed overview of the clinical applications and future perspectives of liquid biopsy in CRC.
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Affiliation(s)
- Sara Torresan
- Department of Medical Oncology, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, 33081 Aviano, Italy; Department of Medicine, University of Udine, 33100 Udine, Italy
| | - Marco de Scordilli
- Department of Medical Oncology, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, 33081 Aviano, Italy; Department of Medicine, University of Udine, 33100 Udine, Italy.
| | - Martina Bortolot
- Department of Medical Oncology, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, 33081 Aviano, Italy; Department of Medicine, University of Udine, 33100 Udine, Italy
| | - Paola Di Nardo
- Department of Medical Oncology, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, 33081 Aviano, Italy
| | - Luisa Foltran
- Department of Medical Oncology, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, 33081 Aviano, Italy
| | - Arianna Fumagalli
- Department of Medical Oncology, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, 33081 Aviano, Italy
| | - Michela Guardascione
- Department of Medical Oncology, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, 33081 Aviano, Italy
| | - Elena Ongaro
- Department of Medical Oncology, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, 33081 Aviano, Italy
| | - Fabio Puglisi
- Department of Medical Oncology, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, 33081 Aviano, Italy; Department of Medicine, University of Udine, 33100 Udine, Italy
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19
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Han HS, Lee KW. Liquid Biopsy: An Emerging Diagnostic, Prognostic, and Predictive Tool in Gastric Cancer. J Gastric Cancer 2024; 24:4-28. [PMID: 38225764 PMCID: PMC10774753 DOI: 10.5230/jgc.2024.24.e5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 12/05/2023] [Accepted: 12/06/2023] [Indexed: 01/17/2024] Open
Abstract
Liquid biopsy, a minimally invasive procedure that causes minimal pain and complication risks to patients, has been extensively studied for cancer diagnosis and treatment. Moreover, it facilitates comprehensive quantification and serial assessment of the whole-body tumor burden. Several biosources obtained through liquid biopsy have been studied as important biomarkers for establishing early diagnosis, monitoring minimal residual disease, and predicting the prognosis and response to treatment in patients with cancer. Although the clinical application of liquid biopsy in gastric cancer is not as robust as that in other cancers, biomarker studies using liquid biopsy are being actively conducted in patients with gastric cancer. Herein, we aimed to review the role of various biosources that can be obtained from patients with gastric cancer through liquid biopsies, such as blood, saliva, gastric juice, urine, stool, peritoneal lavage fluid, and ascites, by dividing them into cellular and acellular components. In addition, we reviewed previous studies on the diagnostic, prognostic, and predictive biomarkers for gastric cancer using liquid biopsy and discussed the limitations of liquid biopsy and the challenges to overcome these limitations in patients with gastric cancer.
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Affiliation(s)
- Hye Sook Han
- Department of Internal Medicine, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju, Korea
| | - Keun-Wook Lee
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
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20
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Gray JE, Han JY, Telaranta-Keerie A, Huang X, Kohlmann A, Hodge R, Rukazenkov Y, Chmielecki J, Espenschied CR, Lefterova M, Wu YL, Ramalingam SS, Barrett JC, Odegaard JI. Pan-Tumor Analytical Validation and Osimertinib Clinical Validation in EGFR Mutant Non-Small-Cell Lung Cancer, Supporting the First Next-Generation Sequencing Liquid Biopsy in Vitro Diagnostic. J Mol Diagn 2024; 26:73-84. [PMID: 37981090 DOI: 10.1016/j.jmoldx.2023.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 08/22/2023] [Accepted: 10/10/2023] [Indexed: 11/21/2023] Open
Abstract
Comprehensive genotyping is necessary to identify therapy options for patients with advanced cancer; however, many cancers are not tested, partly because of tissue limitations. Next-generation sequencing (NGS) liquid biopsies overcome some limitations, but clinical validity is not established and adoption is limited. Herein, clinical bridging studies used pretreatment plasma samples and data from FLAURA (NCT02296125; n = 441) and AURA3 (NCT02151981; n = 450) pivotal studies to demonstrate clinical validity of Guardant360 CDx (NGS LBx) to identify patients with advanced EGFR mutant non-small-cell lung cancer who may benefit from osimertinib. The primary end point was progression-free survival (PFS). Patients with EGFR mutation as identified by NGS LBx had significant PFS benefit with first-line osimertinib over standard of care (15.2 versus 9.6 months; hazard ratio, 0.41; P < 0.0001) and with later-line osimertinib over chemotherapy (8.3 versus 4.2 months; hazard ratio, 0.34; P < 0.0001). PFS benefits were similar to the original trial cohorts selected by tissue-based EGFR testing. Analytical validation included accuracy, precision, limit of detection, and specificity. Analytical validity was established for EGFR mutation detection and pan-tumor profiling. Panel-wide limit of detection was 0.1% to 0.5%, with 98% to 100% per-sample specificity. Patients with EGFR mutant non-small-cell lung cancer by NGS LBx had improved PFS with osimertinib, confirming clinical validity. Analytical validity was established for guideline-recommended therapeutic targets across solid tumors. The resulting US Food and Drug Administration approval of NGS LBx demonstrated safety and effectiveness for its intended use and is expected to improve adherence to guideline-recommended targeted therapy use.
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Affiliation(s)
- Jhanelle E Gray
- Department of Thoracic Oncology, Moffitt Cancer Center, Tampa, Florida
| | - Ji-Youn Han
- Center for Lung Cancer, National Cancer Center, Goyang, Republic of Korea
| | - Aino Telaranta-Keerie
- Precision Medicine and Biosamples, Oncology R&D, AstraZeneca, Melbourn Royston, United Kingdom
| | - Xiangning Huang
- Oncology Biometrics, Oncology R&D, AstraZeneca, Cambridge, United Kingdom
| | - Alexander Kohlmann
- Precision Medicine and Biosamples, Oncology R&D, AstraZeneca, Gaithersburg, Maryland
| | - Rachel Hodge
- Oncology Biometrics, Oncology R&D, AstraZeneca, Cambridge, United Kingdom
| | - Yuri Rukazenkov
- Global Medicines Development, AstraZeneca, Cambridge, United Kingdom
| | - Juliann Chmielecki
- Translational Medicine, Early Research and Development, AstraZeneca, Waltham, Massachusetts
| | | | | | - Yi-Long Wu
- Guangdong Lung Cancer Institute, Guangdong Provincial Peoples Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Suresh S Ramalingam
- Emory University School of Medicine, Winship Cancer Institute, Atlanta, Georgia
| | - J Carl Barrett
- Translational Medicine, Early Research and Development, AstraZeneca, Waltham, Massachusetts
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21
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Xu H, Jia Z, Liu F, Li J, Huang Y, Jiang Y, Pu P, Shang T, Tang P, Zhou Y, Yang Y, Su J, Liu J. Biomarkers and experimental models for cancer immunology investigation. MedComm (Beijing) 2023; 4:e437. [PMID: 38045830 PMCID: PMC10693314 DOI: 10.1002/mco2.437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 11/01/2023] [Accepted: 11/10/2023] [Indexed: 12/05/2023] Open
Abstract
The rapid advancement of tumor immunotherapies poses challenges for the tools used in cancer immunology research, highlighting the need for highly effective biomarkers and reproducible experimental models. Current immunotherapy biomarkers encompass surface protein markers such as PD-L1, genetic features such as microsatellite instability, tumor-infiltrating lymphocytes, and biomarkers in liquid biopsy such as circulating tumor DNAs. Experimental models, ranging from 3D in vitro cultures (spheroids, submerged models, air-liquid interface models, organ-on-a-chips) to advanced 3D bioprinting techniques, have emerged as valuable platforms for cancer immunology investigations and immunotherapy biomarker research. By preserving native immune components or coculturing with exogenous immune cells, these models replicate the tumor microenvironment in vitro. Animal models like syngeneic models, genetically engineered models, and patient-derived xenografts provide opportunities to study in vivo tumor-immune interactions. Humanized animal models further enable the simulation of the human-specific tumor microenvironment. Here, we provide a comprehensive overview of the advantages, limitations, and prospects of different biomarkers and experimental models, specifically focusing on the role of biomarkers in predicting immunotherapy outcomes and the ability of experimental models to replicate the tumor microenvironment. By integrating cutting-edge biomarkers and experimental models, this review serves as a valuable resource for accessing the forefront of cancer immunology investigation.
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Affiliation(s)
- Hengyi Xu
- State Key Laboratory of Molecular OncologyNational Cancer Center /National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
- Eight‐year MD ProgramSchool of Clinical Medicine, Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Ziqi Jia
- Department of Breast Surgical OncologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Fengshuo Liu
- Eight‐year MD ProgramSchool of Clinical Medicine, Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Jiayi Li
- Eight‐year MD ProgramSchool of Clinical Medicine, Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
- Department of Breast Surgical OncologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Yansong Huang
- Eight‐year MD ProgramSchool of Clinical Medicine, Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
- Department of Breast Surgical OncologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Yiwen Jiang
- Eight‐year MD ProgramSchool of Clinical Medicine, Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Pengming Pu
- Eight‐year MD ProgramSchool of Clinical Medicine, Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Tongxuan Shang
- Eight‐year MD ProgramSchool of Clinical Medicine, Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Pengrui Tang
- Eight‐year MD ProgramSchool of Clinical Medicine, Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Yongxin Zhou
- Eight‐year MD ProgramSchool of Clinical Medicine, Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Yufan Yang
- School of MedicineTsinghua UniversityBeijingChina
| | - Jianzhong Su
- Oujiang LaboratoryZhejiang Lab for Regenerative Medicine, Vision, and Brain HealthWenzhouZhejiangChina
| | - Jiaqi Liu
- State Key Laboratory of Molecular OncologyNational Cancer Center /National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
- Department of Breast Surgical OncologyNational Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
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22
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Catalano M, Iannone LF, Nesi G, Nobili S, Mini E, Roviello G. Immunotherapy-related biomarkers: Confirmations and uncertainties. Crit Rev Oncol Hematol 2023; 192:104135. [PMID: 37717881 DOI: 10.1016/j.critrevonc.2023.104135] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 08/18/2023] [Accepted: 09/12/2023] [Indexed: 09/19/2023] Open
Abstract
Immunotherapy profoundly changed oncology treatment, becoming one of the main therapeutical strategies. Remarkable improvement has been achieved in survival outcomes, but the percentage of patients who benefit from immunotherapy is still limited. Only one-third of patients receiving immune checkpoint inhibitors (ICIs) achieve long-term response. Several patients are not responsive to treatment or relapse after an initial response. To date, programmed death-ligand 1, microsatellite instability, and tumor mutational burden are the three biomarkers validated to predict the ICIs response, but a single variable seems still insufficient in the patient's selection. Considering the substantial and increasing use of these drugs, the identification of new predictive biomarkers of ICI response is of paramount importance. We summarize the state of the art and the clinical use of immune biomarkers in oncology, highlighting the strength and weaknesses of currently approved biomarkers, describing the emerging tissues and circulating biomarkers, and outlining future perspectives.
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Affiliation(s)
- Martina Catalano
- 1 Section of Clinical Pharmacology and Oncology, Department of Health Sciences, University of Florence, 50139 Florence, Italy
| | - Luigi Francesco Iannone
- 1 Section of Clinical Pharmacology and Oncology, Department of Health Sciences, University of Florence, 50139 Florence, Italy
| | - Gabriella Nesi
- Section of Pathological Anatomy, Department of Health Sciences, University of Florence, 50139 Florence, Italy
| | - Stefania Nobili
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), University of Florence, 50139 Florence, Italy
| | - Enrico Mini
- 1 Section of Clinical Pharmacology and Oncology, Department of Health Sciences, University of Florence, 50139 Florence, Italy
| | - Giandomenico Roviello
- 1 Section of Clinical Pharmacology and Oncology, Department of Health Sciences, University of Florence, 50139 Florence, Italy.
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23
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Yao S, Han Y, Yang M, Jin K, Lan H. Integration of liquid biopsy and immunotherapy: opening a new era in colorectal cancer treatment. Front Immunol 2023; 14:1292861. [PMID: 38077354 PMCID: PMC10702507 DOI: 10.3389/fimmu.2023.1292861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 11/03/2023] [Indexed: 12/18/2023] Open
Abstract
Immunotherapy has revolutionized the conventional treatment approaches for colorectal cancer (CRC), offering new therapeutic prospects for patients. Liquid biopsy has shown significant potential in early screening, diagnosis, and postoperative monitoring by analyzing circulating tumor cells (CTC) and circulating tumor DNA (ctDNA). In the era of immunotherapy, liquid biopsy provides additional possibilities for guiding immune-based treatments. Emerging technologies such as mass spectrometry-based detection of neoantigens and flow cytometry-based T cell sorting offer new tools for liquid biopsy, aiming to optimize immune therapy strategies. The integration of liquid biopsy with immunotherapy holds promise for improving treatment outcomes in colorectal cancer patients, enabling breakthroughs in early diagnosis and treatment, and providing patients with more personalized, precise, and effective treatment strategies.
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Affiliation(s)
- Shiya Yao
- Department of Colorectal Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, Zhejiang, China
| | - Yuejun Han
- Department of Colorectal Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, Zhejiang, China
| | - Mengxiang Yang
- Department of Colorectal Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, Zhejiang, China
| | - Ketao Jin
- Department of Colorectal Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, Zhejiang, China
| | - Huanrong Lan
- Department of Surgical Oncology, Hangzhou Cancer Hospital, Hangzhou, Zhejiang, China
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24
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Patelli G, Mauri G, Tosi F, Amatu A, Bencardino K, Bonazzina E, Pizzutilo EG, Villa F, Calvanese G, Agostara AG, Stabile S, Ghezzi S, Crisafulli G, Di Nicolantonio F, Marsoni S, Bardelli A, Siena S, Sartore-Bianchi A. Circulating Tumor DNA to Drive Treatment in Metastatic Colorectal Cancer. Clin Cancer Res 2023; 29:4530-4539. [PMID: 37436743 PMCID: PMC10643999 DOI: 10.1158/1078-0432.ccr-23-0079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 04/28/2023] [Accepted: 06/23/2023] [Indexed: 07/13/2023]
Abstract
In the evolving molecular treatment landscape of metastatic colorectal cancer (mCRC), the identification of druggable alterations is pivotal to achieve the best therapeutic opportunity for each patient. Because the number of actionable targets is expanding, there is the need to timely detect their presence or emergence to guide the choice of different available treatment options. Liquid biopsy, through the analysis of circulating tumor DNA (ctDNA), has proven safe and effective as a complementary method to address cancer evolution while overcoming the limitations of tissue biopsy. Even though data are accumulating regarding the potential for ctDNA-guided treatments applied to targeted agents, still major gaps in knowledge exist as for their application to different areas of the continuum of care. In this review, we recapitulate how ctDNA information could be exploited to drive different targeted treatment strategies in mCRC patients, by refining molecular selection before treatment by addressing tumor heterogeneity beyond tumor tissue biopsy; longitudinally monitoring early-tumor response and resistance mechanisms to targeted agents, potentially leading to tailored, molecular-driven, therapeutic options; guiding the molecular triage towards rechallenge strategies with anti-EGFR agents, suggesting the best time for retreatment; and providing opportunities for an "enhanced rechallenge" through additional treatments or combos aimed at overcoming acquired resistance. Besides, we discuss future perspectives concerning the potential role of ctDNA to fine-tune investigational strategies such as immuno-oncology.
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Affiliation(s)
- Giorgio Patelli
- Department of Oncology and Hemato-Oncology, Università degli Studi di Milano, Milan, Italy
- Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
- IFOM ETS – The AIRC Institute of Molecular Oncology, Milan, Italy
| | - Gianluca Mauri
- Department of Oncology and Hemato-Oncology, Università degli Studi di Milano, Milan, Italy
- Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
- IFOM ETS – The AIRC Institute of Molecular Oncology, Milan, Italy
| | - Federica Tosi
- Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Alessio Amatu
- Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Katia Bencardino
- Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Erica Bonazzina
- Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Elio Gregory Pizzutilo
- Department of Oncology and Hemato-Oncology, Università degli Studi di Milano, Milan, Italy
- Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Federica Villa
- Department of Oncology and Hemato-Oncology, Università degli Studi di Milano, Milan, Italy
- Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Gabriele Calvanese
- Department of Oncology and Hemato-Oncology, Università degli Studi di Milano, Milan, Italy
- Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Alberto Giuseppe Agostara
- Department of Oncology and Hemato-Oncology, Università degli Studi di Milano, Milan, Italy
- Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Stefano Stabile
- Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Silvia Ghezzi
- Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | | | - Federica Di Nicolantonio
- Candiolo Cancer Institute, Fondazione del Piemonte per l'Oncologia-IRCCS, Candiolo, Italy
- Department of Oncology, University of Torino, Candiolo, Italy
| | - Silvia Marsoni
- IFOM ETS – The AIRC Institute of Molecular Oncology, Milan, Italy
| | - Alberto Bardelli
- Candiolo Cancer Institute, Fondazione del Piemonte per l'Oncologia-IRCCS, Candiolo, Italy
- Department of Oncology, University of Torino, Candiolo, Italy
| | - Salvatore Siena
- Department of Oncology and Hemato-Oncology, Università degli Studi di Milano, Milan, Italy
- Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Andrea Sartore-Bianchi
- Department of Oncology and Hemato-Oncology, Università degli Studi di Milano, Milan, Italy
- Department of Hematology, Oncology, and Molecular Medicine, Grande Ospedale Metropolitano Niguarda, Milan, Italy
- Division of Clinical Research and Innovation, Grande Ospedale Metropolitano Niguarda, Milan, Italy
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25
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Ranghiero A, Frascarelli C, Cursano G, Pescia C, Ivanova M, Vacirca D, Rappa A, Taormina SV, Barberis M, Fusco N, Rocco EG, Venetis K. Circulating tumour DNA testing in metastatic breast cancer: Integration with tissue testing. Cytopathology 2023; 34:519-529. [PMID: 37640801 DOI: 10.1111/cyt.13295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 07/26/2023] [Accepted: 08/14/2023] [Indexed: 08/31/2023]
Abstract
Breast cancer biomarker profiling predominantly relies on tissue testing (surgical and/or biopsy samples). However, the field of liquid biopsy, particularly the analysis of circulating tumour DNA (ctDNA), has witnessed remarkable progress and continues to evolve rapidly. The incorporation of ctDNA-based testing into clinical practice is creating new opportunities for patients with metastatic breast cancer (MBC). ctDNA offers advantages over conventional tissue analyses, as it reflects tumour heterogeneity and enables multiple serial biopsies in a minimally invasive manner. Thus, it serves as a valuable complement to standard tumour tissues and, in certain instances, may even present a potential alternative approach. In the context of MBC, ctDNA testing proves highly informative in the detection of disease progression, monitoring treatment response, assessing actionable biomarkers, and identifying mechanisms of resistance. Nevertheless, ctDNA does exhibit inherent limitations, including its generally low abundance, necessitating timely blood samplings and rigorous management of the pre-analytical phase. The development of highly sensitive assays and robust bioinformatic tools has paved the way for reliable ctDNA analyses. The time has now come to establish how ctDNA and tissue analyses can be effectively integrated into the diagnostic workflow of MBC to provide patients with the most comprehensive and accurate profiling. In this manuscript, we comprehensively analyse the current methodologies employed in ctDNA analysis and explore the potential benefits arising from the integration of tissue and ctDNA testing for patients diagnosed with MBC.
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Affiliation(s)
- Alberto Ranghiero
- Division of Pathology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Chiara Frascarelli
- Division of Pathology, IEO, European Institute of Oncology IRCCS, Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
| | - Giulia Cursano
- Division of Pathology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Carlo Pescia
- Division of Pathology, IEO, European Institute of Oncology IRCCS, Milan, Italy
- School of Pathology, University of Milan, Milan, Italy
| | - Mariia Ivanova
- Division of Pathology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Davide Vacirca
- Division of Pathology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Alessandra Rappa
- Division of Pathology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | | | - Massimo Barberis
- Division of Pathology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Nicola Fusco
- Division of Pathology, IEO, European Institute of Oncology IRCCS, Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
| | - Elena Guerini Rocco
- Division of Pathology, IEO, European Institute of Oncology IRCCS, Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
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Boyarskikh U, Kechin A, Khrapov E, Fedyanin M, Raskin G, Mukhina M, Kravtsova E, Tsukanov A, Achkasov S, Filipenko M. Detecting Microsatellite Instability in Endometrial, Colon, and Stomach Cancers Using Targeted NGS. Cancers (Basel) 2023; 15:5065. [PMID: 37894432 PMCID: PMC10605658 DOI: 10.3390/cancers15205065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 09/19/2023] [Accepted: 09/19/2023] [Indexed: 10/29/2023] Open
Abstract
PURPOSE To develop a method for testing the MSI based on targeted NGS. METHODS Based on the results of previous studies, 81 microsatellite loci with high variability in MSI-H tumors were selected, and a method for calculating the MSI score was developed. Using the MSI score, we defined the MSI status in endometral (162), colon (153), and stomach (190) cancers. Accuracy of the MSI scores was evaluated by comparison with MMR immunohistochemistry for 137 endometrium (63 dMMR and 74 pMMR), 76 colon (29 dMMR and 47 pMMR), and 81 stomach (8 dMMR and 73 pMMR) cancers. RESULTS Classification of MSS and MSI-H tumors was performed with AUC (0.99), sensitivity (92%), and specificity (98%) for all tumors without division into types. The accuracy of MSI testing in endometrial cancer was lower than for stomach and colon cancer (0.98, 87%, and 100%, respectively). The use of 27 loci only, the most informative for endometrial cancer, increased the overall accuracy (1.00, 99%, and 99%). Comparison of MSI score values in 505 tumors showed that MSI score is significantly higher in colon (p < 10-5) and stomach (p = 0.008) cancer compared with endometrial cancer. CONCLUSION The MSI score accurately determines MSI status for endometrial, colon, and stomach cancers and can be used to quantify the degree of MSI.
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Affiliation(s)
- Ulyana Boyarskikh
- Institute of Chemical Biology and Fundamental Medicine, Siberian Division of the Russian Academy of Sciences, 630090 Novosibirsk, Russia (E.K.); (M.F.)
| | - Andrey Kechin
- Institute of Chemical Biology and Fundamental Medicine, Siberian Division of the Russian Academy of Sciences, 630090 Novosibirsk, Russia (E.K.); (M.F.)
| | - Evgeniy Khrapov
- Institute of Chemical Biology and Fundamental Medicine, Siberian Division of the Russian Academy of Sciences, 630090 Novosibirsk, Russia (E.K.); (M.F.)
| | - Mikhail Fedyanin
- State Budgetary Institution of Health Care of Moscow (Moscow Multidisciplinary Clinical Center “Kommunarka”), 142770 Moscow, Russia
| | - Grigory Raskin
- Dr. Berezin Medical Institute, 197758 St. Petersburg, Russia; (G.R.); (M.M.)
| | - Marina Mukhina
- Dr. Berezin Medical Institute, 197758 St. Petersburg, Russia; (G.R.); (M.M.)
| | - Elena Kravtsova
- Dr. Berezin Medical Institute, 197758 St. Petersburg, Russia; (G.R.); (M.M.)
| | - Aleksey Tsukanov
- Ryzhikh National Medical Research Center of Coloproctology, 123423 Moscow, Russia
| | - Sergey Achkasov
- Ryzhikh National Medical Research Center of Coloproctology, 123423 Moscow, Russia
| | - Maksim Filipenko
- Institute of Chemical Biology and Fundamental Medicine, Siberian Division of the Russian Academy of Sciences, 630090 Novosibirsk, Russia (E.K.); (M.F.)
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Lin X, Zong C, Zhang Z, Fang W, Xu P. Progresses in biomarkers for cancer immunotherapy. MedComm (Beijing) 2023; 4:e387. [PMID: 37799808 PMCID: PMC10547938 DOI: 10.1002/mco2.387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 09/02/2023] [Accepted: 09/08/2023] [Indexed: 10/07/2023] Open
Abstract
Currently, checkpoint inhibitor-based immunotherapy has emerged as prevailing treatment modality for diverse cancers. However, immunotherapy as a first-line therapy has not consistently yielded durable responses. Moreover, the risk of immune-related adverse events increases with combination regimens. Thus, the development of predictive biomarkers is needed to optimize individuals benefit, minimize risk of toxicities, and guide combination approaches. The greatest focus has been on tumor programmed cell death-ligand 1 (PD-L1), microsatellite instability (MSI), and tumor mutational burden (TMB). However, there remains a subject of debate due to thresholds variability and significant heterogeneity. Major unmet challenges in immunotherapy are the discovery and validation of predictive biomarkers. Here, we show the status of tumor PD-L1, MSI, TMB, and emerging data on novel biomarker strategies with oncogenic signaling and epigenetic regulation. Considering the exploration of peripheral and intestinal immunity has served as noninvasive alternative in predicting immunotherapy, this review also summarizes current data in systemic immunity, encompassing solute PD-L1 and TMB, circulating tumor DNA and infiltrating lymphocytes, routine emerging inflammatory markers and cytokines, as well as gut microbiota. This review provides up-to-date information on the evolving field of currently available biomarkers in predicting immunotherapy. Future exploration of novel biomarkers is warranted.
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Affiliation(s)
- Xuwen Lin
- Department of Pulmonary and Critical Care MedicinePeking University Shenzhen HospitalShenzhenGuangdong ProvinceChina
- Department of Internal MedicineShantou University Medical CollegeShantouGuangdong ProvinceChina
| | - Chenyu Zong
- Department of Pulmonary and Critical Care MedicinePeking University Shenzhen HospitalShenzhenGuangdong ProvinceChina
- Department of Internal MedicineZunyi Medical UniversityZunyiGuizhou ProvinceChina
| | - Zhihan Zhang
- Department of Pulmonary and Critical Care MedicinePeking University Shenzhen HospitalShenzhenGuangdong ProvinceChina
| | - Weiyi Fang
- Cancer Research InstituteSchool of Basic Medical ScienceSouthern Medical UniversityGuangzhouGuangdong ProvinceChina
- Cancer CenterIntegrated Hospital of Traditional Chinese MedicineSouthern Medical UniversityGuangzhouGuangdong ProvinceChina
| | - Ping Xu
- Department of Pulmonary and Critical Care MedicinePeking University Shenzhen HospitalShenzhenGuangdong ProvinceChina
- Department of Internal MedicineZunyi Medical UniversityZunyiGuizhou ProvinceChina
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Han Y, Wei J, Wang W, Gao R, Shen N, Song X, Ni Y, Li Y, Xu LD, Chen W, Li X. Multidimensional Analysis of a Cell-Free DNA Whole Methylome Sequencing Assay for Early Detection of Gastric Cancer: Protocol for an Observational Case-Control Study. JMIR Res Protoc 2023; 12:e48247. [PMID: 37728978 PMCID: PMC10551793 DOI: 10.2196/48247] [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: 04/17/2023] [Revised: 08/17/2023] [Accepted: 08/18/2023] [Indexed: 09/22/2023] Open
Abstract
BACKGROUND Commonly used noninvasive serological indicators serve as a step before endoscope diagnosis and help identify the high-risk gastric cancer (GC) population. However, they are associated with high false positives and high false negatives. Alternative noninvasive approaches, such as cancer-related features in cell-free DNA (cfDNA) fragments, have been gradually identified and play essential roles in early cancer detection. The integrated analysis of multiple cfDNA features has enhanced detection sensitivity compared to individual features. OBJECTIVE This study aimed to develop and validate an assay based on assessing genomic-scale methylation and fragmentation profiles of plasma cfDNA for early cancer detection, thereby facilitating the early diagnosis of GC. The primary objective is to evaluate the overall specificity and sensitivity of the assay in predicting GC within the entire cohort, and subsequently within each clinical stage of GC. The secondary objective involved investigating the specificity and sensitivity of the assay in combination with possible serological indicators. METHODS This is an observational case-control study. Blood samples will be prospectively collected before gastroscopy from 180 patients with GC and 180 nonmalignant control subjects (healthy or with benign gastric diseases). Cases and controls will be randomly divided into a training and a testing data set at a ratio of 2:1. Plasma cfDNA will be isolated and extracted, followed by bisulfite-free low-depth whole methylome sequencing. A multidimensional model named Thorough Epigenetic Marker Integration Solution (THEMIS) will be constructed in the training data set. The model includes features such as the methylated fragment ratio, chromosomal aneuploidy of featured fragments, fragment size index, and fragment end motif. The performance of the model in distinguishing between patients with cancer and noncancer controls will then be evaluated in the testing data set. Furthermore, GC-related biomarkers, such as pepsinogen, gastrin-17, and Helicobacter pylori, will be measured for each patient, and their predictive accuracy will be assessed both independently and in combination with the THEMIS model. RESULTS Recruitment began in November 2022 and will be ended in April 2024. As of August 2022,250 patients have been enrolled. The final data analysis is anticipated to be completed by September 2024. CONCLUSIONS This is the first registered case-control study designed to investigate a stacked ensemble model integrating several cfDNA features generated from a bisulfite-free whole methylome sequencing assay. These features include methylation patterns, fragmentation profiles, and chromosomal copy number changes, with the aim of identifying the GC population. This study will determine whether multidimensional analysis of cfDNA will prove to be an effective strategy for distinguishing patients with GC from nonmalignant individuals within the Chinese population. We anticipate the THEMIS model will complement the standard-of-care screening and aid in identifying high-risk patients for further diagnosis. TRIAL REGISTRATION ClinicalTrial.gov NCT05668910; https://www.clinicaltrials.gov/study/NCT05668910. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID) DERR1-10.2196/48247.
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Affiliation(s)
- Yongjun Han
- Department of General Surgery, First Hospital of Yulin, Yulin, China
| | - Jiangpeng Wei
- Department of Gastrointestinal Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, China
| | - Weidong Wang
- Department of Gastrointestinal Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, China
| | - Ruiqi Gao
- Department of Gastrointestinal Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, China
| | - Ning Shen
- Genecast Biotechnology Co, Ltd, Wuxi, China
| | | | - Yang Ni
- Genecast Biotechnology Co, Ltd, Wuxi, China
| | - Yulong Li
- Genecast Biotechnology Co, Ltd, Wuxi, China
| | - Li-Di Xu
- Genecast Biotechnology Co, Ltd, Wuxi, China
| | | | - Xiaohua Li
- Department of Gastrointestinal Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, China
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Wang X, Qiao Z, Aramini B, Lin D, Li X, Fan J. Potential biomarkers for immunotherapy in non-small-cell lung cancer. Cancer Metastasis Rev 2023; 42:661-675. [PMID: 37121931 DOI: 10.1007/s10555-022-10074-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 12/09/2022] [Indexed: 05/02/2023]
Abstract
For individuals with advanced or metastatic non-small cell lung cancer (NSCLC), the primary treatment is platinum-based doublet chemotherapy. Immune checkpoint inhibitors (ICIs), primarily PD-1/PD-L1 and CTLA-4, have been found to be effective in patients with NSCLC who have no EGFR/ALK mutations. Furthermore, ICIs are considered a standard therapy. The quantity of fresh immunogenic antigens discovered by cytotoxic T cells was measured by PD-L1 expression and tumor mutational burden (TMB), which were the first biomarkers assessed in clinical trials. However, immunotherapy did not have response efficacy markers similar to targeted therapy, highlighting the significance of newly developed biomarkers. This investigation aims to review the research on immunotherapy for NSCLC, focusing primarily on the impact of biomarkers on efficacy prediction to determine whether biomarkers may be utilized to evaluate the effectiveness of immunotherapy.
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Affiliation(s)
- Xing Wang
- Department of Thoracic Surgery, Shanghai General Hospital, Shanghai, China
| | - Ziyun Qiao
- Department of Thoracic Surgery, Shanghai General Hospital, Shanghai, China
| | - Beatrice Aramini
- Division of Thoracic Surgery, Department of Experimental, Diagnostic and Specialty Medicine-DIMES of the Alma Mater Studiorum, G.B. Morgagni-L. Pierantoni Hospital, University of Bologna, Forlì, Italy
| | - Dong Lin
- Department of Thoracic Surgery, Shanghai General Hospital, Shanghai, China
| | - Xiaolong Li
- Department of Thoracic Surgery, Shanghai General Hospital, Shanghai, China
| | - Jiang Fan
- Department of Thoracic Surgery, Shanghai General Hospital, Shanghai, China.
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Loft M, To YH, Gibbs P, Tie J. Clinical application of circulating tumour DNA in colorectal cancer. Lancet Gastroenterol Hepatol 2023; 8:837-852. [PMID: 37499673 DOI: 10.1016/s2468-1253(23)00146-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 05/07/2023] [Accepted: 05/09/2023] [Indexed: 07/29/2023]
Abstract
Liquid biopsies that detect circulating tumour DNA (ctDNA) have the potential to revolutionise the personalised management of colorectal cancer. For patients with early-stage disease, emerging clinical applications include the assessment of molecular residual disease after surgery, the monitoring of adjuvant chemotherapy efficacy, and early detection of recurrence during surveillance. In the advanced disease setting, data highlight the potential of ctDNA levels as a prognostic marker and as an early indicator of treatment response. ctDNA assessment can complement standard tissue-based testing for molecular characterisation, with the added ability to monitor emerging mutations under the selective pressure of targeted therapy. Here we provide an overview of the evidence supporting the use of ctDNA in colorectal cancer, the studies underway to address some of the outstanding questions, and the barriers to widespread clinical uptake.
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Affiliation(s)
- Matthew Loft
- Division of Personalised Oncology, Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia; Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia; Department of Medical Oncology, Western Health, Footscray, VIC, Australia
| | - Yat Hang To
- Division of Personalised Oncology, Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia; Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia; Department of Medical Oncology, Peter MacCallum Cancer Centre, Parkville, VIC, Australia
| | - Peter Gibbs
- Division of Personalised Oncology, Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia; Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia; Department of Medical Oncology, Western Health, Footscray, VIC, Australia
| | - Jeanne Tie
- Division of Personalised Oncology, Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia; Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia; Department of Medical Oncology, Peter MacCallum Cancer Centre, Parkville, VIC, Australia; Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, VIC, Australia.
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Kasi PM, Bucheit LA, Liao J, Starr J, Barata P, Klempner SJ, Gandara D, Shergill A, Madeira da Silva L, Weipert C, Zhang N, Pretz C, Hardin A, Kiedrowski LA, Odegaard JI. Pan-Cancer Prevalence of Microsatellite Instability-High (MSI-H) Identified by Circulating Tumor DNA and Associated Real-World Clinical Outcomes. JCO Precis Oncol 2023; 7:e2300118. [PMID: 37769226 DOI: 10.1200/po.23.00118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 07/19/2023] [Accepted: 08/07/2023] [Indexed: 09/30/2023] Open
Abstract
PURPOSE Immune checkpoint inhibitors are approved for advanced solid tumors with microsatellite instability-high (MSI-H). Although several technologies can assess MSI-H status, detection and outcomes with circulating tumor DNA (ctDNA)-detected MSI-H are lacking. As such, we examined pan-cancer MSI-H prevalence across 21 cancers and outcomes after ctDNA-detected MSI-H. METHODS Patients with advanced cancer who had ctDNA testing (Guardant360) from October 1, 2018, to June 30, 2022, were retrospectively assessed for prevalence. GuardantINFORM, which includes anonymized genomic and structured payer claims data, was queried to assess outcomes. Patients who initiated new treatment within 90 days of MSI-H detection were sorted into immunotherapy included in treatment (IO) or no immunotherapy included (non-IO) groups. Real-world time to treatment discontinuation (rwTTD) and real-world time to next treatment (rwTTNT) were assessed in months as proxies of progression-free survival (PFS); real-world overall survival (rwOS) was assessed in months. Cox regression tests analyzed differences. Colorectal cancer, non-small-cell lung cancer (NSCLC), prostate cancer, gastroesophageal cancer, and uterine cancer (UC) were assessed independently; all other cancers were grouped. RESULTS In total, 1.4% of 171,881 patients had MSI-H detected. Of 770 patients with outcomes available, rwTTD and rwTTNT were significantly longer for patients who received IO compared with non-IO for all cancers (P ≤ .05; hazard ratio [HR] range, 0.31-0.52 and 0.25-0.54, respectively) except NSCLC. rwOS had limited follow-up for all cohorts except UC (IO 39 v non-IO 23 months; HR, 0.18; P = .004); however, there was a consistent trend toward prolonged OS in IO-treated patients. CONCLUSION These data support use of a well-validated ctDNA assay to detect MSI-H across solid tumors and suggest prolonged PFS in patients treated with IO-containing regimens after detection. Tumor-agnostic, ctDNA-based MSI testing may be reliable for rapid decision making.
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Affiliation(s)
| | | | | | | | - Pedro Barata
- Case Western Reserve University/University Hospitals, Cleveland, OH
| | | | - David Gandara
- UC Davis Comprehensive Cancer Center, Sacramento, CA
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Santini D, Botticelli A, Galvano A, Iuliani M, Incorvaia L, Gristina V, Taffon C, Foderaro S, Paccagnella E, Simonetti S, Fazio F, Scagnoli S, Pomati G, Pantano F, Perrone G, De Falco E, Russo A, Spinelli GP. Network approach in liquidomics landscape. J Exp Clin Cancer Res 2023; 42:193. [PMID: 37542343 PMCID: PMC10401883 DOI: 10.1186/s13046-023-02743-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 06/27/2023] [Indexed: 08/06/2023] Open
Abstract
Tissue-based biopsy is the present main tool to explore the molecular landscape of cancer, but it also has many limits to be frequently executed, being too invasive with the risk of side effects. These limits and the ability of cancer to constantly evolve its genomic profile, have recently led to the need of a less invasive and more accurate alternative, such as liquid biopsy. By searching Circulating Tumor Cells and residues of their nucleic acids or other tumor products in body fluids, especially in blood, but also in urine, stools and saliva, liquid biopsy is becoming the future of clinical oncology. Despite the current lack of a standardization for its workflows, that makes it hard to be reproduced, liquid biopsy has already obtained promising results for cancer screening, diagnosis, prognosis, and risk of recurrence.Through a more accessible molecular profiling of tumors, it could become easier to identify biomarkers predictive of response to treatment, such as EGFR mutations in non-small cell lung cancer and KRAS mutations in colorectal cancer, or Microsatellite Instability and Mismatch Repair as predictive markers of pembrolizumab response.By monitoring circulating tumor DNA in longitudinal repeated sampling of blood we could also predict Minimal Residual Disease and the risk of recurrence in already radically resected patients.In this review we will discuss about the current knowledge of limitations and strengths of the different forms of liquid biopsies for its inclusion in normal cancer management, with a brief nod to their newest biomarkers and its future implications.
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Affiliation(s)
- Daniele Santini
- Oncologia Medica A, Policlinico Umberto 1, La Sapienza Università Di Roma, Rome, Italy
| | - Andrea Botticelli
- Oncologia Medica A, Policlinico Umberto 1, La Sapienza Università Di Roma, Rome, Italy
| | - Antonio Galvano
- Section of Medical Oncology, Department of Surgical, Oncological and Oral Sciences, University of Palermo, Palermo, Italy
| | - Michele Iuliani
- Medical Oncology, Fondazione Policlinico Universitario Campus Bio-Medico, Department of Medicine and Surgery, Università Campus Bio-Medico Di Roma, Selcetta, Italy
| | - Lorena Incorvaia
- Section of Medical Oncology, Department of Surgical, Oncological and Oral Sciences, University of Palermo, Palermo, Italy
| | - Valerio Gristina
- Section of Medical Oncology, Department of Surgical, Oncological and Oral Sciences, University of Palermo, Palermo, Italy
| | - Chiara Taffon
- Anatomical Pathology Operative Research Unit, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy
- Department of Medicine and Surgery, Research Unit of Anatomical Pathology, Università Campus Bio-Medico Di Roma, Rome, Italy
| | - Simone Foderaro
- Medical Oncology, Fondazione Policlinico Universitario Campus Bio-Medico, Department of Medicine and Surgery, Università Campus Bio-Medico Di Roma, Selcetta, Italy
| | - Elisa Paccagnella
- Department of Medical Surgical Sciences and Biotechnologies, Sapienza University of Rome, C.So Della Repubblica 79, 04100, Latina, Italy
| | - Sonia Simonetti
- Medical Oncology, Fondazione Policlinico Universitario Campus Bio-Medico, Department of Medicine and Surgery, Università Campus Bio-Medico Di Roma, Selcetta, Italy
| | - Federico Fazio
- UOC Oncologia Territoriale, Polo Pontino, La Sapienza Università Di Roma, Latina, Italy.
| | - Simone Scagnoli
- Oncologia Medica A, Policlinico Umberto 1, La Sapienza Università Di Roma, Rome, Italy
| | | | - Francesco Pantano
- Medical Oncology, Fondazione Policlinico Universitario Campus Bio-Medico, Department of Medicine and Surgery, Università Campus Bio-Medico Di Roma, Selcetta, Italy
| | - Giuseppe Perrone
- Anatomical Pathology Operative Research Unit, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy
- Department of Medicine and Surgery, Research Unit of Anatomical Pathology, Università Campus Bio-Medico Di Roma, Rome, Italy
| | - Elena De Falco
- Department of Medical Surgical Sciences and Biotechnologies, Sapienza University of Rome, C.So Della Repubblica 79, 04100, Latina, Italy
- Mediterranea Cardiocentro, 80122, Naples, Italy
| | - Antonio Russo
- Section of Medical Oncology, Department of Surgical, Oncological and Oral Sciences, University of Palermo, Palermo, Italy
| | - Gian Paolo Spinelli
- UOC Oncologia Territoriale, Polo Pontino, La Sapienza Università Di Roma, Latina, Italy
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Cohen R, Platell CF, McCoy MJ, Meehan K, Fuller K. Circulating tumour DNA in colorectal cancer management. Br J Surg 2023; 110:773-783. [PMID: 37190784 PMCID: PMC10364542 DOI: 10.1093/bjs/znad126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 01/17/2023] [Accepted: 04/28/2023] [Indexed: 05/17/2023]
Abstract
Circulating tumour DNA analysis can be performed using two opposing paradigms: tumour-informed and tumour-agnostic approaches. The first requires sequencing data from the primary tumour sample to identify tumour DNA in circulation, whereas the latter occurs without previous primary tumour genetic profiling.
Several preanalytical and laboratory considerations need to be taken into account before proceeding with in-house circulating tumour DNA analysis.
Detection of circulating tumour DNA after curative resection is associated with a significant risk of recurrence. For those with stage II disease and detectable postoperative circulating tumour DNA, administration of adjuvant chemotherapy results in a reduction in the number of patients receiving chemotherapy while providing non-inferior recurrence-free survival compared with standard histopathological decision-making algorithms.
Monitoring circulating tumour DNA during post-treatment surveillance may provide a significantly earlier diagnosis of recurrence.
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Affiliation(s)
- Ryan Cohen
- School of Biomedical Sciences, University of Western Australia, Perth, Western Australia, Australia
- Colorectal Cancer Unit, St John of God Subiaco Hospital, Perth, Western Australia, Australia
| | - Cameron F Platell
- Colorectal Cancer Unit, St John of God Subiaco Hospital, Perth, Western Australia, Australia
- School of Medicine, University of Western Australia, Perth, Western Australia, Australia
| | - Melanie J McCoy
- Colorectal Cancer Unit, St John of God Subiaco Hospital, Perth, Western Australia, Australia
- School of Medicine, University of Western Australia, Perth, Western Australia, Australia
| | - Katie Meehan
- School of Biomedical Sciences, University of Western Australia, Perth, Western Australia, Australia
| | - Kathy Fuller
- School of Biomedical Sciences, University of Western Australia, Perth, Western Australia, Australia
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Yakushina V, Kavun A, Veselovsky E, Grigoreva T, Belova E, Lebedeva A, Mileyko V, Ivanov M. Microsatellite Instability Detection: The Current Standards, Limitations, and Misinterpretations. JCO Precis Oncol 2023; 7:e2300010. [PMID: 37315263 DOI: 10.1200/po.23.00010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 04/06/2023] [Accepted: 04/26/2023] [Indexed: 06/16/2023] Open
Affiliation(s)
- Valentina Yakushina
- OncoAtlas LLC, Moscow, Russian Federation
- Laboratory of Epigenetics, Research Centre for Medical Genetics, Moscow, Russian Federation
| | | | - Egor Veselovsky
- OncoAtlas LLC, Moscow, Russian Federation
- Department of Evolutionary Genetics of Development, Koltzov Institute of Developmental Biology of the Russian Academy of Sciences, Moscow, Russian Federation
| | - Tatiana Grigoreva
- OncoAtlas LLC, Moscow, Russian Federation
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation
| | - Ekaterina Belova
- OncoAtlas LLC, Moscow, Russian Federation
- Lomonosov Moscow State University, Moscow, Russian Federation
| | | | | | - Maxim Ivanov
- OncoAtlas LLC, Moscow, Russian Federation
- Moscow Institute of Physics and Technology, Moscow, Russian Federation
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Semenkovich NP, Szymanski JJ, Earland N, Chauhan PS, Pellini B, Chaudhuri AA. Genomic approaches to cancer and minimal residual disease detection using circulating tumor DNA. J Immunother Cancer 2023; 11:e006284. [PMID: 37349125 PMCID: PMC10314661 DOI: 10.1136/jitc-2022-006284] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/26/2023] [Indexed: 06/24/2023] Open
Abstract
Liquid biopsies using cell-free circulating tumor DNA (ctDNA) are being used frequently in both research and clinical settings. ctDNA can be used to identify actionable mutations to personalize systemic therapy, detect post-treatment minimal residual disease (MRD), and predict responses to immunotherapy. ctDNA can also be isolated from a range of different biofluids, with the possibility of detecting locoregional MRD with increased sensitivity if sampling more proximally than blood plasma. However, ctDNA detection remains challenging in early-stage and post-treatment MRD settings where ctDNA levels are minuscule giving a high risk for false negative results, which is balanced with the risk of false positive results from clonal hematopoiesis. To address these challenges, researchers have developed ever-more elegant approaches to lower the limit of detection (LOD) of ctDNA assays toward the part-per-million range and boost assay sensitivity and specificity by reducing sources of low-level technical and biological noise, and by harnessing specific genomic and epigenomic features of ctDNA. In this review, we highlight a range of modern assays for ctDNA analysis, including advancements made to improve the signal-to-noise ratio. We further highlight the challenge of detecting ultra-rare tumor-associated variants, overcoming which will improve the sensitivity of post-treatment MRD detection and open a new frontier of personalized adjuvant treatment decision-making.
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Affiliation(s)
- Nicholas P Semenkovich
- Division of Endocrinology, Metabolism, and Lipid Research, Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Jeffrey J Szymanski
- Division of Cancer Biology, Department of Radiation Oncology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Noah Earland
- Division of Biology and Biomedical Sciences, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Pradeep S Chauhan
- Division of Cancer Biology, Department of Radiation Oncology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Bruna Pellini
- Department of Thoracic Oncology, Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
- Department of Oncologic Sciences, Morsani College of Medicine, University of South Florida, Tampa, Florida, USA
| | - Aadel A Chaudhuri
- Division of Cancer Biology, Department of Radiation Oncology, Washington University School of Medicine, St. Louis, Missouri, USA
- Division of Biology and Biomedical Sciences, Washington University School of Medicine, St. Louis, Missouri, USA
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Genetics, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Biomedical Engineering, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Computer Science and Engineering, Washington University in St. Louis, St. Louis, Missouri, USA
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Shen L, Brown JR, Johnston SA, Altan M, Sykes KF. Predicting response and toxicity to immune checkpoint inhibitors in lung cancer using antibodies to frameshift neoantigens. J Transl Med 2023; 21:338. [PMID: 37217961 DOI: 10.1186/s12967-023-04172-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 04/30/2023] [Indexed: 05/24/2023] Open
Abstract
PURPOSE To evaluate a new class of blood-based biomarkers, anti-frameshift peptide antibodies, for predicting both tumor responses and adverse immune events to immune checkpoint inhibitor (ICI) therapies in advanced lung cancer patients. EXPERIMENTAL DESIGN Serum samples were obtained from 74 lung cancer patients prior to palliative PD-(L)1 therapies with subsequently recorded tumor responses and immune adverse events (irAEs). Pretreatment samples were assayed on microarrays of frameshift peptides (FSPs), representing ~ 375,000 variant peptides that tumor cells can be informatically predicted to produce from translated mRNA processing errors. Serum-antibodies specifically recognizing these ligands were measured. Binding activities preferentially associated with best-response and adverse-event outcomes were determined. These antibody bound FSPs were used in iterative resampling analyses to develop predictive models of tumor response and immune toxicity. RESULTS Lung cancer serum samples were classified based on predictive models of ICI treatment outcomes. Disease progression was predicted pretreatment with ~ 98% accuracy in the full cohort of all response categories, though ~ 30% of the samples were indeterminate. This model was built with a heterogeneous sample cohort from patients that (i) would show either clear response or stable outcomes, (ii) would be administered either single or combination therapies and (iii) were diagnosed with different lung cancer subtypes. Removing the stable disease, combination therapy or SCLC groups from model building increased the proportion of samples classified while performance remained high. Informatic analyses showed that several of the FSPs in the all-response model mapped to translations of variant mRNAs from the same genes. In the predictive model for treatment toxicities, binding to irAE-associated FSPs provided 90% accuracy pretreatment, with no indeterminates. Several of the classifying FSPs displayed sequence similarity to self-proteins. CONCLUSIONS Anti-FSP antibodies may serve as biomarkers for predicting ICI outcomes when tested against ligands corresponding to mRNA-error derived FSPs. Model performances suggest this approach might provide a single test to predict treatment response to ICI and identify patients at high risk for immunotherapy toxicities.
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Affiliation(s)
- Luhui Shen
- Calviri, Inc, 850 N 5th St., Phoenix, AZ, 85004, USA
| | | | | | - Mehmet Altan
- MD Anderson Cancer Center, Department of Thoracic-Head & Neck Medical Oncology, Division of Cancer Medicine, Houston, TX, USA
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Casas-Arozamena C, Moiola CP, Vilar A, Bouso M, Cueva J, Cabrera S, Sampayo V, Arias E, Abalo A, García Á, Lago-Lestón RM, Oltra S, Díaz E, Ruiz-Bañobre J, López-López R, Moreno-Bueno G, Gil-Moreno A, Colás E, Abal M, Muinelo-Romay L. Noninvasive detection of microsatellite instability in patients with endometrial cancer. Int J Cancer 2023; 152:2206-2217. [PMID: 36650670 DOI: 10.1002/ijc.34435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 12/07/2022] [Accepted: 12/16/2022] [Indexed: 01/19/2023]
Abstract
The analysis of mismatch repair proteins in solid tissue is the standard of care (SoC) for the microsatellite instability (MSI) characterization in endometrial cancer (EC). Uterine aspirates (UAs) or circulating-DNA (cfDNA) samples capture the intratumor heterogeneity and provide a more comprehensive and dynamic molecular diagnosis. Thus, MSI analysis by droplet-digital PCR (ddPCR) in UAs and cfDNA can provide a reliable tool to characterize and follow-up the disease. The UAs, paraffin-embedded tumor tissue (FFPE) and longitudinal plasma samples from a cohort of 90 EC patients were analyzed using ddPCR panel and compared to the SoC. A high concordance (96.67%) was obtained between the analysis of MSI markers in UAs and the SoC. Three discordant cases were validated as unstable by ddPCR on FFPE samples. Besides, a good overall concordance (70.27%) was obtained when comparing the performance of the ddPCR assay on UAs and cfDNA in high-risk tumors. Importantly, our results also evidenced the value of MSI analysis to monitor the disease evolution. MSI evaluation in minimally invasive samples shows great accuracy and sensitivity and provides a valuable tool for the molecular characterization and follow-up of endometrial tumors, opening new opportunities for personalized management of EC.
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Affiliation(s)
- Carlos Casas-Arozamena
- Translational Medical Oncology Group (Oncomet), Health Research Institute of Santiago de Compostela (IDIS), University Hospital of Santiago de Compostela (SERGAS), Santiago de Compostela, Spain
- Department of Medicine, University of Santiago de Compostela (USC), Santiago de Compostela, Spain
| | - Cristian Pablo Moiola
- Biomedical Research Group in Gynecology, Vall Hebron Research Institute (VHIR), Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Ana Vilar
- Gynecology Department, University Clinical Hospital of Santiago de Compostela (SERGAS), Santiago de Compostela, Spain
| | - Marta Bouso
- Pathology Department, University Clinical Hospital of Santiago de Compostela (SERGAS), Santiago de Compostela, Spain
| | - Juan Cueva
- Translational Medical Oncology Group (Oncomet), Health Research Institute of Santiago de Compostela (IDIS), University Hospital of Santiago de Compostela (SERGAS), Santiago de Compostela, Spain
- Medical Oncology Department, University Clinical Hospital of Santiago de Compostela, University of Santiago de Compostela (USC), Santiago de Compostela, Spain
| | - Silvia Cabrera
- Biomedical Research Group in Gynecology, Vall Hebron Research Institute (VHIR), Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Victoria Sampayo
- Gynecology Department, University Clinical Hospital of Santiago de Compostela (SERGAS), Santiago de Compostela, Spain
| | - Efigenia Arias
- Gynecology Department, University Clinical Hospital of Santiago de Compostela (SERGAS), Santiago de Compostela, Spain
| | - Alicia Abalo
- Translational Medical Oncology Group (Oncomet), Health Research Institute of Santiago de Compostela (IDIS), University Hospital of Santiago de Compostela (SERGAS), Santiago de Compostela, Spain
| | - Ángel García
- Pathology Department, Vall Hebron University Hospital, Barcelona, Spain
| | - Ramón Manuel Lago-Lestón
- Translational Medical Oncology Group (Oncomet), Health Research Institute of Santiago de Compostela (IDIS), University Hospital of Santiago de Compostela (SERGAS), Santiago de Compostela, Spain
| | - Sara Oltra
- Translational Research Group, Foundation MD Anderson International, Madrid, Spain
| | - Eva Díaz
- Translational Research Group, Foundation MD Anderson International, Madrid, Spain
| | - Juan Ruiz-Bañobre
- Translational Medical Oncology Group (Oncomet), Health Research Institute of Santiago de Compostela (IDIS), University Hospital of Santiago de Compostela (SERGAS), Santiago de Compostela, Spain
- Medical Oncology Department, University Clinical Hospital of Santiago de Compostela, University of Santiago de Compostela (USC), Santiago de Compostela, Spain
- Genomes and Disease, Centre for Research in Molecular Medicine and Chronic Diseases (CiMUS), University of Santiago de Compostela, Santiago de Compostela, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Rafael López-López
- Translational Medical Oncology Group (Oncomet), Health Research Institute of Santiago de Compostela (IDIS), University Hospital of Santiago de Compostela (SERGAS), Santiago de Compostela, Spain
- Medical Oncology Department, University Clinical Hospital of Santiago de Compostela, University of Santiago de Compostela (USC), Santiago de Compostela, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Gema Moreno-Bueno
- Translational Research Group, Foundation MD Anderson International, Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
- Biochemistry Department, Medicine Faculty, Universidad Autónoma de Madrid (UAM), Madrid, Spain
| | - Antonio Gil-Moreno
- Biomedical Research Group in Gynecology, Vall Hebron Research Institute (VHIR), Universitat Autonoma de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
- Gynecology Department, Vall Hebron University Hospital, Barcelona, Spain
| | - Eva Colás
- Biomedical Research Group in Gynecology, Vall Hebron Research Institute (VHIR), Universitat Autonoma de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Miguel Abal
- Translational Medical Oncology Group (Oncomet), Health Research Institute of Santiago de Compostela (IDIS), University Hospital of Santiago de Compostela (SERGAS), Santiago de Compostela, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Laura Muinelo-Romay
- Translational Medical Oncology Group (Oncomet), Health Research Institute of Santiago de Compostela (IDIS), University Hospital of Santiago de Compostela (SERGAS), Santiago de Compostela, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
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Myint KZY, Shimabuku M, Horio R, Kaneda M, Shimizu Y, Taguchi J. Identification of circulating tumour DNA (ctDNA) from the liquid biopsy results: Findings from an observational cohort study. Cancer Treat Res Commun 2023; 35:100701. [PMID: 37094468 DOI: 10.1016/j.ctarc.2023.100701] [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: 06/22/2022] [Revised: 03/02/2023] [Accepted: 03/24/2023] [Indexed: 04/26/2023]
Abstract
Liquid biopsies can be a rapid, cost-effective and non-invasive alternative to tumour biopsies for detecting genetic mutations in somatic tumours. Genetic profiling of liquid biopsies can also be used to identify novel antigens for targeted therapy, provide updated information on disease prognosis and evaluate treatment efficacy. In this study, we aimed to examine mutations that could be identified in liquid biopsy and their distribution in a small study cohort. We studied the genomic profiles of 99 blood samples from 85 patients with 21 different types of cancer using two commercially available liquid biopsy tests. The mean circulating free DNA (cfDNA) concentration was 162.7 ± 352.3 nanograms per 20 millilitres. Amongst cfDNA, the circulating tumour DNA (ctDNA) percentage ranged from 0.006% to 90.6%. With the exception of samples with gene amplification and high microsatellite instability, the number of mutations in each sample varied from zero to 21, with an average of 5.6 mutations in each patient. Amongst these mutations, nonsynonymous mutations were the most frequently observed type of mutation (90% of the sample, with an average frequency of 3.6 mutations per patient). Mutations were observed in 76 different genes. TP53 mutations constituted more than 16% of the detectable mutations, especially in non-small cell lung cancer. All the tumour types, except the ovary, kidney and apocrine gland tumours, harboured at least one type of TP53 mutation. KRAS (mainly in pancreatic cancer) and PIK3CA (mostly in breast cancer) mutations, were responsible for an additional 10% of the mutations in the studied samples. The tumour mutations were specific to each patient, as approximately 94.7% of the mutations were so unique that there was almost no duplication amongst the patients. These findings indicate that liquid biopsy can detect specific molecular changes of tumour, which is useful for precision oncology and personalized cancer treatment.
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Affiliation(s)
- Khin Zay Yar Myint
- Centre for Advanced Medical Science and Technology, Tokyo Midtown Medical Center, Japan
| | - Masamori Shimabuku
- Centre for Advanced Medical Science and Technology, Tokyo Midtown Medical Center, Japan
| | - Ruriko Horio
- Centre for Advanced Medical Science and Technology, Tokyo Midtown Medical Center, Japan
| | - Munehisa Kaneda
- Centre for Advanced Medical Science and Technology, Tokyo Midtown Medical Center, Japan
| | - Yoko Shimizu
- Centre for Advanced Medical Science and Technology, Tokyo Midtown Medical Center, Japan
| | - Junichi Taguchi
- Centre for Advanced Medical Science and Technology, Tokyo Midtown Medical Center, Japan.
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Inagaki C, Kawakami H, Maeda D, Sakai D, Urakawa S, Nishida K, Kudo T, Doki Y, Eguchi H, Wada H, Satoh T. The potential clinical utility of cell-free DNA for gastric cancer patients treated with nivolumab monotherapy. Sci Rep 2023; 13:5652. [PMID: 37024664 PMCID: PMC10079661 DOI: 10.1038/s41598-023-32645-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 03/30/2023] [Indexed: 04/08/2023] Open
Abstract
To assess the potential clinical utility of cell-free DNA (cfDNA)-based biomarkers for identifying gastric cancer (GC) patients who benefit from nivolumab. From 31 GC patients treated with nivolumab monotherapy (240 mg/body, Bi-weekly) in 3rd or later line setting, we prospectively collected blood samples at baseline and before the 3rd dose. We compared cfDNA-based molecular findings, including microsatellite instability (MSI) status, to tissue-based biomarkers. We assessed the clinical value of blood tumor mutation burden (bTMB) and copy number alterations (CNA) as well as the cfDNA dynamics. The concordance between deficient-MMR and cfDNA-based MSI-high was 100% (3/3). Patients with bTMB ≥ 6 mut/Mb had significantly better progression-free survival (PFS) and overall survival (OS); however, such significance disappeared when excluding MSI-High cases. The combination of bTMB and CNA positivity identified patients with survival benefit regardless of MSI status (both PFS and OS, P < 0.001), with the best survival in those with bTMB≥6mut/Mb and CNAnegative. Moreover, patients with decreased bTMB during treatment had a better disease control rate (P = 0.04) and longer PFS (P = 0.04). Our results suggest that a combination of bTMB and CNA may predict nivolumab efficacy for GC patients regardless of MSI status. bTMB dynamics have a potential utility as an on-treatment biomarker.
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Affiliation(s)
- Chiaki Inagaki
- Department of Frontier Science for Cancer and Chemotherapy, Graduate School of Medicine, Osaka University, Suita, 565-0871, Japan
- Department of Medical Oncology, Kindai University Faculty of Medicine, 377-2 Ohno-higashi, Osaka-sayama, Osaka, 589-8511, Japan
| | - Hisato Kawakami
- Department of Medical Oncology, Kindai University Faculty of Medicine, 377-2 Ohno-higashi, Osaka-sayama, Osaka, 589-8511, Japan.
| | - Daichi Maeda
- Department of Molecular and Cellular Pathology, Graduate School of Medicine, Kanazawa University, Kanazawa, 920-1192, Japan
| | - Daisuke Sakai
- Department of Frontier Science for Cancer and Chemotherapy, Graduate School of Medicine, Osaka University, Suita, 565-0871, Japan
- Center for Cancer Genomics and Personalized Medicine, Osaka University Hospital, Suita, 565-0871, Japan
| | - Shinya Urakawa
- Department of Clinical Research in Tumor Immunology, Graduate School of Medicine, Osaka University, Suita, 565-0871, Japan
| | - Kentaro Nishida
- Department of Clinical Research in Tumor Immunology, Graduate School of Medicine, Osaka University, Suita, 565-0871, Japan
| | - Toshihiro Kudo
- Department of Medical Oncology, Osaka International Cancer Institute, Osaka, 541-8567, Japan
| | - Yuichiro Doki
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, 565-0871, Japan
| | - Hidetoshi Eguchi
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, 565-0871, Japan
| | - Hisashi Wada
- Department of Clinical Research in Tumor Immunology, Graduate School of Medicine, Osaka University, Suita, 565-0871, Japan
| | - Taroh Satoh
- Department of Frontier Science for Cancer and Chemotherapy, Graduate School of Medicine, Osaka University, Suita, 565-0871, Japan
- Center for Cancer Genomics and Personalized Medicine, Osaka University Hospital, Suita, 565-0871, Japan
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40
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David P, Mittelstädt A, Kouhestani D, Anthuber A, Kahlert C, Sohn K, Weber GF. Current Applications of Liquid Biopsy in Gastrointestinal Cancer Disease-From Early Cancer Detection to Individualized Cancer Treatment. Cancers (Basel) 2023; 15:cancers15071924. [PMID: 37046585 PMCID: PMC10093361 DOI: 10.3390/cancers15071924] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/20/2023] [Accepted: 03/21/2023] [Indexed: 04/14/2023] Open
Abstract
Worldwide, gastrointestinal (GI) cancers account for a significant amount of cancer-related mortality. Tests that allow an early diagnosis could lead to an improvement in patient survival. Liquid biopsies (LBs) due to their non-invasive nature as well as low risk are the current focus of cancer research and could be a promising tool for early cancer detection. LB involves the sampling of any biological fluid (e.g., blood, urine, saliva) to enrich and analyze the tumor's biological material. LBs can detect tumor-associated components such as circulating tumor DNA (ctDNA), extracellular vesicles (EVs), and circulating tumor cells (CTCs). These components can reflect the status of the disease and can facilitate clinical decisions. LBs offer a unique and new way to assess cancers at all stages of treatment, from cancer screenings to prognosis to management of multidisciplinary therapies. In this review, we will provide insights into the current status of the various types of LBs enabling early detection and monitoring of GI cancers and their use in in vitro diagnostics.
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Affiliation(s)
- Paul David
- Department of Surgery, University Hospital of Erlangen, Friedrich-Alexander University (FAU) Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Anke Mittelstädt
- Department of Surgery, University Hospital of Erlangen, Friedrich-Alexander University (FAU) Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Dina Kouhestani
- Department of Surgery, University Hospital of Erlangen, Friedrich-Alexander University (FAU) Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Anna Anthuber
- Department of Surgery, University Hospital of Erlangen, Friedrich-Alexander University (FAU) Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Christoph Kahlert
- Department of Surgery, Carl Gustav Carus University Hospital, 01307 Dresden, Germany
| | - Kai Sohn
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, 70569 Stuttgart, Germany
| | - Georg F Weber
- Department of Surgery, University Hospital of Erlangen, Friedrich-Alexander University (FAU) Erlangen-Nürnberg, 91054 Erlangen, Germany
- Deutsches Zentrum für Immuntherapie, University Hospital of Erlangen, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany
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41
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Vellanki PJ, Ghosh S, Pathak A, Fusco MJ, Bloomquist EW, Tang S, Singh H, Philip R, Pazdur R, Beaver JA. Regulatory implications of ctDNA in immuno-oncology for solid tumors. J Immunother Cancer 2023; 11:e005344. [PMID: 36796877 PMCID: PMC9936292 DOI: 10.1136/jitc-2022-005344] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/14/2022] [Indexed: 02/18/2023] Open
Abstract
In the era of precision oncology, use of circulating tumor DNA (ctDNA) is emerging as a minimally invasive approach for the diagnosis and management of patients with cancer and as an enrichment tool in clinical trials. In recent years, the US Food and Drug Administration has approved multiple ctDNA-based companion diagnostic assays for the safe and effective use of targeted therapies and ctDNA-based assays are also being developed for use with immuno-oncology-based therapies. For early-stage solid tumor cancers, ctDNA may be particularly important to detect molecular residual disease (MRD) to support early implementation of adjuvant or escalated therapy to prevent development of metastatic disease. Clinical trials are also increasingly using ctDNA MRD for patient selection and stratification, with an ultimate goal of improving trial efficiency through use of an enriched patient population. Standardization and harmonization of ctDNA assays and methodologies, along with further clinical validation of ctDNA as a prognostic and predictive biomarker, are necessary before ctDNA may be considered as an efficacy-response biomarker to support regulatory decision making.
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Affiliation(s)
- Paz J Vellanki
- Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - Soma Ghosh
- Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - Anand Pathak
- Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - Michael J Fusco
- Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - Erik W Bloomquist
- Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - Shenghui Tang
- Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - Harpreet Singh
- Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, Maryland, USA
- Oncology Center of Excellence, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - Reena Philip
- Oncology Center of Excellence, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - Richard Pazdur
- Oncology Center of Excellence, US Food and Drug Administration, Silver Spring, Maryland, USA
| | - Julia A Beaver
- Oncology Center of Excellence, US Food and Drug Administration, Silver Spring, Maryland, USA
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42
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Catalano M, Generali D, Gatti M, Riboli B, Paganini L, Nesi G, Roviello G. DNA repair deficiency as circulating biomarker in prostate cancer. Front Oncol 2023; 13:1115241. [PMID: 36793600 PMCID: PMC9922904 DOI: 10.3389/fonc.2023.1115241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Accepted: 01/12/2023] [Indexed: 01/31/2023] Open
Abstract
Deleterious aberrations in DNA repair genes are actionable in approximately 25% of metastatic castration-resistant prostate cancers (mCRPC) patients. Homology recombination repair (HRR) is the DNA damage repair (DDR) mechanism most frequently altered in prostate cancer; of note BRCA2 is the most frequently altered DDR gene in this tumor. Poly ADP-ribose polymerase inhibitors showed antitumor activity with a improvement in overall survival in mCRPC carrying somatic and/or germline alterations of HHR. Germline mutations are tested on peripheral blood samples using DNA extracted from peripheral blood leukocytes, while the somatic alterations are assessed by extracting DNA from a tumor tissue sample. However, each of these genetic tests have some limitations: the somatic tests are related to the sample availability and tumor heterogeneity, while the germline testing are mainly related to the inability to detect somatic HRR mutations. Therefore, the liquid biopsy, a non-invasive and easily repeatable test compared to tissue test, could identified somatic mutation detected on the circulating tumor DNA (ctDNA) extracted from a plasma. This approach should better represent the heterogeneity of the tumor compared to the primary biopsy and maybe helpful in monitoring the onset of potential mutations involved in treatment resistance. Furthermore, ctDNA may inform about timing and potential cooperation of multiple driver genes aberration guiding the treatment options in patients with mCRPC. However, the clinical use of ctDNA test in prostate cancer compared to blood and tissue testing are currently very limited. In this review, we summarize the current therapeutic indications in prostate cancer patients with DDR deficiency, the recommendation for germline and somatic-genomic testing in advanced PC and the advantages of the use liquid biopsy in clinical routine for mCRPC.
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Affiliation(s)
- Martina Catalano
- School of Human Health Sciences, University of Florence, Florence, Italy
| | - Daniele Generali
- Department of Medical, Surgical and Health Sciences, University of Trieste, Cattinara Hospital Trieste, Trieste, Italy
| | - Marta Gatti
- Servizio di Citogenetica e Genetica - Azienda Socio-Sanitaria Territoriale (ASST) di Cremona, Cremona, Italy
| | - Barbara Riboli
- Servizio di Citogenetica e Genetica - Azienda Socio-Sanitaria Territoriale (ASST) di Cremona, Cremona, Italy
| | - Leda Paganini
- Servizio di Citogenetica e Genetica - Azienda Socio-Sanitaria Territoriale (ASST) di Cremona, Cremona, Italy
| | - Gabriella Nesi
- Department of Health Sciences, University of Florence, Florence, Italy
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Styk J, Pös Z, Pös O, Radvanszky J, Turnova EH, Buglyó G, Klimova D, Budis J, Repiska V, Nagy B, Szemes T. Microsatellite instability assessment is instrumental for Predictive, Preventive and Personalised Medicine: status quo and outlook. EPMA J 2023; 14:143-165. [PMID: 36866160 PMCID: PMC9971410 DOI: 10.1007/s13167-023-00312-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 01/06/2023] [Indexed: 01/26/2023]
Abstract
A form of genomic alteration called microsatellite instability (MSI) occurs in a class of tandem repeats (TRs) called microsatellites (MSs) or short tandem repeats (STRs) due to the failure of a post-replicative DNA mismatch repair (MMR) system. Traditionally, the strategies for determining MSI events have been low-throughput procedures that typically require assessment of tumours as well as healthy samples. On the other hand, recent large-scale pan-tumour studies have consistently highlighted the potential of massively parallel sequencing (MPS) on the MSI scale. As a result of recent innovations, minimally invasive methods show a high potential to be integrated into the clinical routine and delivery of adapted medical care to all patients. Along with advances in sequencing technologies and their ever-increasing cost-effectiveness, they may bring about a new era of Predictive, Preventive and Personalised Medicine (3PM). In this paper, we offered a comprehensive analysis of high-throughput strategies and computational tools for the calling and assessment of MSI events, including whole-genome, whole-exome and targeted sequencing approaches. We also discussed in detail the detection of MSI status by current MPS blood-based methods and we hypothesised how they may contribute to the shift from conventional medicine to predictive diagnosis, targeted prevention and personalised medical services. Increasing the efficacy of patient stratification based on MSI status is crucial for tailored decision-making. Contextually, this paper highlights drawbacks both at the technical level and those embedded deeper in cellular/molecular processes and future applications in routine clinical testing.
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Affiliation(s)
- Jakub Styk
- Institute of Medical Biology, Genetics and Clinical Genetics, Faculty of Medicine, Comenius University, 811 08 Bratislava, Slovakia ,Comenius University Science Park, 841 04 Bratislava, Slovakia ,Geneton Ltd, 841 04 Bratislava, Slovakia
| | - Zuzana Pös
- Comenius University Science Park, 841 04 Bratislava, Slovakia ,Geneton Ltd, 841 04 Bratislava, Slovakia ,Institute of Clinical and Translational Research, Biomedical Research Centre, Slovak Academy of Sciences, 845 05 Bratislava, Slovakia
| | - Ondrej Pös
- Comenius University Science Park, 841 04 Bratislava, Slovakia ,Geneton Ltd, 841 04 Bratislava, Slovakia
| | - Jan Radvanszky
- Comenius University Science Park, 841 04 Bratislava, Slovakia ,Institute of Clinical and Translational Research, Biomedical Research Centre, Slovak Academy of Sciences, 845 05 Bratislava, Slovakia ,Department of Molecular Biology, Faculty of Natural Sciences, Comenius University, 841 04 Bratislava, Slovakia
| | - Evelina Hrckova Turnova
- Comenius University Science Park, 841 04 Bratislava, Slovakia ,Slovgen Ltd, 841 04 Bratislava, Slovakia
| | - Gergely Buglyó
- Department of Human Genetics, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary
| | - Daniela Klimova
- Institute of Medical Biology, Genetics and Clinical Genetics, Faculty of Medicine, Comenius University, 811 08 Bratislava, Slovakia
| | - Jaroslav Budis
- Comenius University Science Park, 841 04 Bratislava, Slovakia ,Geneton Ltd, 841 04 Bratislava, Slovakia ,Slovak Centre of Scientific and Technical Information, 811 04 Bratislava, Slovakia
| | - Vanda Repiska
- Institute of Medical Biology, Genetics and Clinical Genetics, Faculty of Medicine, Comenius University, 811 08 Bratislava, Slovakia ,Medirex Group Academy, NPO, 949 05 Nitra, Slovakia
| | - Bálint Nagy
- Comenius University Science Park, 841 04 Bratislava, Slovakia ,Department of Human Genetics, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary
| | - Tomas Szemes
- Comenius University Science Park, 841 04 Bratislava, Slovakia ,Geneton Ltd, 841 04 Bratislava, Slovakia ,Department of Molecular Biology, Faculty of Natural Sciences, Comenius University, 841 04 Bratislava, Slovakia
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Nassour AJ, Jain A, Hui N, Siopis G, Symons J, Woo H. Relative Risk of Bladder and Kidney Cancer in Lynch Syndrome: Systematic Review and Meta-Analysis. Cancers (Basel) 2023; 15:506. [PMID: 36672455 PMCID: PMC9856836 DOI: 10.3390/cancers15020506] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/07/2023] [Accepted: 01/08/2023] [Indexed: 01/17/2023] Open
Abstract
Background: The association between Lynch syndrome (LS) and a higher risk of upper tract urothelial carcinoma is well established, but its effect on the risk of bladder and kidney cancers remains controversial. This review aimed to compare the relative risk (RR) of bladder and kidney cancer in confirmed LS germline mutation carriers compared to the general population. Methods: Medline, Embase, Cochrane Central, and Google Scholar were searched on 14 July 2022 for studies published in English that reported on the rates of urological cancer in adults with confirmed LS germline mutation. The quality of included studies was assessed using Cochrane’s tool to evaluate risk of bias in cohort studies. Random effects meta-analysis estimated the pooled relative risk of bladder and kidney cancer in LS carriers compared to the general population. The quality of the overall evidence was evaluated using GRADE. Results: Of the 1839 records identified, 5 studies involving 7120 participants from 3 continents were included. Overall, LS carriers had a statistically significantly higher RR of developing bladder cancer (RR: 7.48, 95% CI: 3.70, 15.13) and kidney cancer (RR: 3.97, 95% CI: 1.23, 12.81) compared to unaffected participants (p < 0.01). The quality of the evidence was assessed as “low” due to the inclusion of cohort studies, the substantial heterogeneity, and moderate-to-high risk of bias. Conclusion: Lynch syndrome is associated with a significant increase in the relative risk of kidney and bladder cancer. Clinicians should adopt a lower threshold for germline mutation genetic testing in individuals who present with bladder cancer. Further studies evaluating the role and cost-effectiveness of novel urine-based laboratory tests are needed. High-quality studies in histologically proven renal cell carcinoma and their underlying germline mutations are necessary to strengthen the association with LS.
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Affiliation(s)
- Anthony-Joe Nassour
- SAN Prostate Centre of Excellence, Sydney Adventist Hospital, Wahroonga, NSW 2076, Australia
- Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW 2006, Australia
| | - Anika Jain
- SAN Prostate Centre of Excellence, Sydney Adventist Hospital, Wahroonga, NSW 2076, Australia
| | - Nicholas Hui
- SAN Prostate Centre of Excellence, Sydney Adventist Hospital, Wahroonga, NSW 2076, Australia
- Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW 2006, Australia
| | - George Siopis
- Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW 2006, Australia
- Institute for Physical Activity and Nutrition, Deakin University, Geelong, VIC 3125, Australia
| | - James Symons
- SAN Prostate Centre of Excellence, Sydney Adventist Hospital, Wahroonga, NSW 2076, Australia
- Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW 2006, Australia
- College of Health and Medicine, The Australian National University, Canberra, ACT 2601, Australia
| | - Henry Woo
- SAN Prostate Centre of Excellence, Sydney Adventist Hospital, Wahroonga, NSW 2076, Australia
- College of Health and Medicine, The Australian National University, Canberra, ACT 2601, Australia
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Ma S, Zhou M, Xu Y, Gu X, Zou M, Abudushalamu G, Yao Y, Fan X, Wu G. Clinical application and detection techniques of liquid biopsy in gastric cancer. Mol Cancer 2023; 22:7. [PMID: 36627698 PMCID: PMC9832643 DOI: 10.1186/s12943-023-01715-z] [Citation(s) in RCA: 46] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 01/02/2023] [Indexed: 01/12/2023] Open
Abstract
Gastric cancer (GC) is one of the most common tumors worldwide and the leading cause of tumor-related mortality. Endoscopy and serological tumor marker testing are currently the main methods of GC screening, and treatment relies on surgical resection or chemotherapy. However, traditional examination and treatment methods are more harmful to patients and less sensitive and accurate. A minimally invasive method to respond to GC early screening, prognosis monitoring, treatment efficacy, and drug resistance situations is urgently needed. As a result, liquid biopsy techniques have received much attention in the clinical application of GC. The non-invasive liquid biopsy technique requires fewer samples, is reproducible, and can guide individualized patient treatment by monitoring patients' molecular-level changes in real-time. In this review, we introduced the clinical applications of circulating tumor cells, circulating free DNA, circulating tumor DNA, non-coding RNAs, exosomes, and proteins, which are the primary markers in liquid biopsy technology in GC. We also discuss the current limitations and future trends of liquid biopsy technology as applied to early clinical biopsy technology.
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Affiliation(s)
- Shuo Ma
- grid.452290.80000 0004 1760 6316Center of Clinical Laboratory Medicine, Zhongda Hospital, Southeast University, Nanjing, 210009 Jiangsu China ,grid.263826.b0000 0004 1761 0489Department of Laboratory Medicine, Medical School of Southeast University, Nanjing, 210009 Jiangsu China
| | - Meiling Zhou
- grid.452290.80000 0004 1760 6316Center of Clinical Laboratory Medicine, Zhongda Hospital, Southeast University, Nanjing, 210009 Jiangsu China ,grid.263826.b0000 0004 1761 0489Department of Laboratory Medicine, Medical School of Southeast University, Nanjing, 210009 Jiangsu China
| | - Yanhua Xu
- grid.452743.30000 0004 1788 4869Department of Laboratory Medicine, Northern Jiangsu People’s Hospital Affiliated to Yangzhou University, Yangzhou, 225000 Jiangsu China
| | - Xinliang Gu
- grid.440642.00000 0004 0644 5481Department of Laboratory Medicine, Medical School, Affiliated Hospital of Nantong University, Nantong University, Nantong, 226001 Jiangsu China
| | - Mingyuan Zou
- grid.452290.80000 0004 1760 6316Center of Clinical Laboratory Medicine, Zhongda Hospital, Southeast University, Nanjing, 210009 Jiangsu China ,grid.263826.b0000 0004 1761 0489Department of Laboratory Medicine, Medical School of Southeast University, Nanjing, 210009 Jiangsu China
| | - Gulinaizhaer Abudushalamu
- grid.452290.80000 0004 1760 6316Center of Clinical Laboratory Medicine, Zhongda Hospital, Southeast University, Nanjing, 210009 Jiangsu China ,grid.263826.b0000 0004 1761 0489Department of Laboratory Medicine, Medical School of Southeast University, Nanjing, 210009 Jiangsu China
| | - Yuming Yao
- grid.452290.80000 0004 1760 6316Center of Clinical Laboratory Medicine, Zhongda Hospital, Southeast University, Nanjing, 210009 Jiangsu China ,grid.263826.b0000 0004 1761 0489Department of Laboratory Medicine, Medical School of Southeast University, Nanjing, 210009 Jiangsu China
| | - Xiaobo Fan
- grid.452290.80000 0004 1760 6316Center of Clinical Laboratory Medicine, Zhongda Hospital, Southeast University, Nanjing, 210009 Jiangsu China ,grid.263826.b0000 0004 1761 0489Department of Laboratory Medicine, Medical School of Southeast University, Nanjing, 210009 Jiangsu China
| | - Guoqiu Wu
- grid.452290.80000 0004 1760 6316Center of Clinical Laboratory Medicine, Zhongda Hospital, Southeast University, Nanjing, 210009 Jiangsu China ,grid.263826.b0000 0004 1761 0489Department of Laboratory Medicine, Medical School of Southeast University, Nanjing, 210009 Jiangsu China ,grid.263826.b0000 0004 1761 0489Jiangsu Provincial Key Laboratory of Critical Care Medicine, Southeast University, Nanjing, 210009 Jiangsu China
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46
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Sivapalan L, Murray JC, Canzoniero JV, Landon B, Jackson J, Scott S, Lam V, Levy BP, Sausen M, Anagnostou V. Liquid biopsy approaches to capture tumor evolution and clinical outcomes during cancer immunotherapy. J Immunother Cancer 2023; 11:e005924. [PMID: 36657818 PMCID: PMC9853269 DOI: 10.1136/jitc-2022-005924] [Citation(s) in RCA: 34] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/16/2022] [Indexed: 01/20/2023] Open
Abstract
Circulating cell-free tumor DNA (ctDNA) can serve as a real-time biomarker of tumor burden and provide unique insights into the evolving molecular landscape of cancers under the selective pressure of immunotherapy. Tracking the landscape of genomic alterations detected in ctDNA may reveal the clonal architecture of the metastatic cascade and thus improve our understanding of the molecular wiring of therapeutic responses. While liquid biopsies may provide a rapid and accurate evaluation of tumor burden dynamics during immunotherapy, the complexity of antitumor immune responses is not fully captured through single-feature ctDNA analyses. This underscores a need for integrative studies modeling the tumor and the immune compartment to understand the kinetics of tumor clearance in association with the quality of antitumor immune responses. Clinical applications of ctDNA testing in patients treated with immune checkpoint inhibitors have shown both predictive and prognostic value through the detection of genomic biomarkers, such as tumor mutational burden and microsatellite instability, as well as allowing for real-time monitoring of circulating tumor burden and the assessment of early on-therapy responses. These efforts highlight the emerging role of liquid biopsies in selecting patients for cancer immunotherapy, monitoring therapeutic efficacy, determining the optimal duration of treatment and ultimately guiding treatment selection and sequencing. The clinical translation of liquid biopsies is propelled by the increasing number of ctDNA-directed interventional clinical trials in the immuno-oncology space, signifying a critical step towards implementation of liquid biopsies in precision immuno-oncology.
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Affiliation(s)
- Lavanya Sivapalan
- The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Joseph C Murray
- The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Jenna VanLiere Canzoniero
- The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Blair Landon
- The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | | | - Susan Scott
- The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Vincent Lam
- The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Benjamin P Levy
- The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Mark Sausen
- Personal Genome Diagnostics, Baltimore, Maryland, USA
| | - Valsamo Anagnostou
- The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- The Bloomberg-Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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Sun X, Liu X, Zhao Y, Tian G, Wang W. Detection of Circulating Tumor DNA in Plasma Using Targeted Sequencing. Methods Mol Biol 2023; 2695:27-46. [PMID: 37450110 DOI: 10.1007/978-1-0716-3346-5_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
Cell-free DNA (cfDNA) is the degradation product of extracellular DNA. Circulating tumor DNA (ctDNA), as a fraction of cfDNA, comes from tumor cells and contains variations, including mutation, deletion, insertion, rearrangement, copy number variation, and methylation. Therefore, biomarkers identified in ctDNA show promising clinical applications in early diagnosis, recurrence monitoring, and conducting individualized treatment. In this chapter, we introduce experimental workflow and bioinformatic pipeline of targeted sequencing of cfDNA.
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Boutin M, Gill S. Controversies and management of deficient mismatch repair gastrointestinal cancers in the neoadjuvant setting. Ther Adv Med Oncol 2023; 15:17588359231162577. [PMID: 37007634 PMCID: PMC10064478 DOI: 10.1177/17588359231162577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 02/17/2023] [Indexed: 03/31/2023] Open
Abstract
High microsatellite instability (MSI-H)/deficient mismatch repair (dMMR) phenotype is a distinct molecular signature across gastrointestinal cancers characterized by high tumor mutational burden and high neoantigen load. Tumors harboring dMMR are highly immunogenic and heavily infiltrated by immune cells; consequently, they are uniquely vulnerable to therapeutic strategies enhancing immune antitumor response such as checkpoint inhibitors. The MSI-H/dMMR phenotype arose as a powerful predictor of response to immune checkpoint inhibitors with evidence supporting significantly improved outcomes in the metastatic setting. On the other hand, the genomic instability characteristic of MSI-H/dMMR tumors appears to be associated with decreased sensitivity to chemotherapy, and the benefits of standard adjuvant or neoadjuvant chemotherapy approaches in this subtype are being increasingly questioned. Here, we review the prognostic and predictive impact of MMR status in localized gastric and colorectal cancers, and highlight the emerging clinical data incorporating checkpoint inhibitors in the neoadjuvant setting.
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Affiliation(s)
- Mélina Boutin
- BC Cancer, University of British Columbia, Vancouver, BC, Canada
- Centre Intégré de Cancérologie de la Montérégie-Centre, Université de Sherbrooke, Greenfield Park, QC, Canada
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Hsiehchen D, Bucheit L, Yang D, Beg MS, Lim M, Lee SS, Kasi PM, Kaseb AO, Zhu H. Genetic features and therapeutic relevance of emergent circulating tumor DNA alterations in refractory non-colorectal gastrointestinal cancers. Nat Commun 2022; 13:7477. [PMID: 36463294 PMCID: PMC9719461 DOI: 10.1038/s41467-022-35144-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 11/17/2022] [Indexed: 12/05/2022] Open
Abstract
Acquired resistance to systemic treatments is inevitable in most cancers, but the genetic basis for this in many cancer types has remained elusive due to constraints in obtaining tissue specimens longitudinally. In the management of gastrointestinal cancers, molecular profiling is conventionally performed at a single time point, although serial evaluations may yield biological insights that inform treatment decisions. We characterize genetic changes in serial liquid biopsies which provide real-time snapshots of tumor genetics and heterogeneity in refractory non-colorectal gastrointestinal cancers, and determine the clinical utility of repeat circulating tumor DNA (ctDNA) testing. In a national cohort of 449 patients with pancreatic, biliary, esophagogastric, and hepatocellular cancers, resistance to conventional therapies is broadly associated with tumor evolution. Emergent ctDNA alterations only detectable at progression occurs in 63% of patients and are frequently associated with treatment actionability. Tumor mutation burden is dynamic in cancers undergoing treatment, but is not associated with time to progression. Objective tumor responses in a case series of patients receiving treatment matched to emergent alterations show that repeat liquid biopsies may have clinical benefit by expanding treatment options in advanced gastrointestinal cancers.
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Affiliation(s)
- David Hsiehchen
- Division of Hematology and Oncology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA.
| | | | - Dong Yang
- Guardant Health Inc, Redwood City, CA, USA
| | - Muhammad Shaalan Beg
- Division of Hematology and Oncology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Mir Lim
- Division of Hematology and Oncology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Sunyoung S Lee
- Department of Gastrointestinal Medical Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Pashtoon Murtaza Kasi
- Weill Cornell Medicine, Englander Institute of Precision Medicine, Meyer Cancer Center, New York, NY, USA
| | - Ahmed O Kaseb
- Department of Gastrointestinal Medical Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Hao Zhu
- Division of Hematology and Oncology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
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50
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Krebs MG, Malapelle U, André F, Paz-Ares L, Schuler M, Thomas DM, Vainer G, Yoshino T, Rolfo C. Practical Considerations for the Use of Circulating Tumor DNA in the Treatment of Patients With Cancer: A Narrative Review. JAMA Oncol 2022; 8:1830-1839. [PMID: 36264554 DOI: 10.1001/jamaoncol.2022.4457] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Importance Personalized medicine based on tumor profiling and identification of actionable genomic alterations is pivotal in cancer management. Although tissue biopsy is still preferred for diagnosis, liquid biopsy of blood-based tumor analytes, such as circulating tumor DNA, is a rapidly emerging technology for tumor profiling. Observations This review presents a practical overview for clinicians and allied health care professionals for selection of the most appropriate liquid biopsy assay, specifically focusing on circulating tumor DNA and how it may affect patient treatment and case management across multiple tumor types. Multiple factors influence the analytical validity, clinical validity, and clinical utility of testing. This review provides recommendations and practical guidance for best practice. Current methodologies include polymerase chain reaction-based approaches and those that use next-generation sequencing (eg, capture-based profiling, whole exome, or genome sequencing). Factors that may influence utility include sensitivity and specificity, quantity of circulating tumor DNA, detection of a small vs a large panel of genes, and clonal hematopoiesis of indeterminate potential. Currently, liquid biopsy appears useful in patients unable to undergo biopsy or where mutations detected may be more representative of the predominant tumor burden than for tissue-based assays. Other potential applications may include screening, primary diagnosis, residual disease, local recurrence, therapy selection, or early therapy response and resistance monitoring. Conclusions and Relevance This review found that liquid biopsy is increasingly being used clinically in advanced lung cancer, and ongoing research is identifying applications of circulating tumor DNA-based testing that complement tissue analysis across a broad range of clinical settings. Circulating tumor DNA technologies are advancing quickly and are demonstrating potential benefits for patients, health care practitioners, health care systems, and researchers, at many stages of the patient oncologic journey.
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Affiliation(s)
- Matthew G Krebs
- Division of Cancer Sciences, Faculty of Biology, Medicine and Health, The University of Manchester and The Christie NHS Foundation Trust, Manchester, UK
| | - Umberto Malapelle
- Department of Public Health, University Federico II of Naples, Naples, Italy
| | | | | | - Martin Schuler
- West German Cancer Center, Department of Medical Oncology, University Hospital Essen, Essen, Germany
| | - David M Thomas
- Garvan Institute of Medical Research, Darlinghurst, New South Wales, Australia
| | | | | | - Christian Rolfo
- Center for Thoracic Oncology, The Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, New York
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