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Article Dans Une Revue Clinics and Research in Hepatology and Gastroenterology Année : 2018

Role of circulating tumor DNA in the management of patients with colorectal cancer

Résumé

Colorectal cancer is a major health burden with a prognosis that has been improved with the progresses in diagnosis and the advance of chemotherapy and personalized medicine. However, because of intra-tumor heterogeneity, clonal evolution and selection, tumors often develop resistance to treatments. "Liquid biopsy" is a minimally invasive method, based on analysis of tumor-specific material in peripheral blood samples of patients. Analysis of tumor specific genetic or epigenetic alterations in cell-free circulating nucleic acids may reflect the molecular heterogeneity of the underlying disease process and serial testing could allow to monitor its temporal genomic changing without using re-biopsy. In this review, we focused on the role of circulating tumor DNA (ctDNA) as a biomarker in the management of patients with colorectal cancer at early and advanced stages. Through recent studies, we described its promising clinical applications for diagnosis, detection of recurrence after surgery and monitoring for tumor response or therapeutic resistance in metastatic setting. Such recent developments offer new perspectives for personalized medicine in colorectal cancer but still needs some standardized detection methods and further studies to validate its use in clinical routine.
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inserm-02299507 , version 1 (27-09-2019)

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Emilie Moati, Valérie Taly, Audrey Didelot, Géraldine Perkins, Hélène Blons, et al.. Role of circulating tumor DNA in the management of patients with colorectal cancer. Clinics and Research in Hepatology and Gastroenterology, 2018, 42 (5), pp.396-402. ⟨10.1016/j.clinre.2018.03.002⟩. ⟨inserm-02299507⟩

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