Please use this identifier to cite or link to this item: https://scholarhub.balamand.edu.lb/handle/uob/5437
Title: Circulating tumor DNA analysis in the era of precision oncology
Authors: Said, Rabih
Guibert, Nicolas
Oxnard, Geoffrey R
Tsimberidou, Apostolia M
Affiliations: Faculty of Medicine 
Keywords: Circulating tumor DNA analysis
Clinical trials
Genomic profiling
Targeted therapy
Issue Date: 2020-01-14
Publisher: National Library of Medicine
Part of: Oncotarget
Volume: 11
Issue: 2
Start page: 188
End page: 211
Abstract: 
The spatial and temporal genomic heterogeneity of various tumor types and advances in technology have stimulated the development of circulating tumor DNA (ctDNA) genotyping. ctDNA was developed as a non-invasive, cost-effective alternative to tumor biopsy when such biopsy is associated with significant risk, when tumor tissue is insufficient or inaccessible, and/or when repeated assessment of tumor molecular abnormalities is needed to optimize treatment. The role of ctDNA is now well established in the clinical decision in certain alterations and tumors, such as the epidermal growth factor receptor (EGFR) mutation in non-small cell lung cancer and the v-Ki-ras2 kirsten rat sarcoma viral oncogene homolog (KRAS) mutation in colorectal cancer. The role of ctDNA analysis in other tumor types remains to be validated. Evolving data indicate the association of ctDNA level with tumor burden, and the usefulness of ctDNA analysis in assessing minimal residual disease, in understanding mechanisms of resistance to treatment, and in dynamically guiding therapy. ctDNA analysis is increasingly used to select therapy. Carefully designed clinical trials that use ctDNA analysis will increase the rate of patients who receive targeted therapy, will elucidate our understanding of evolution of tumor biology and will accelerate drug development and implementation of precision medicine. In this article we provide a critical overview of clinical trials and evolving data of ctDNA analysis in specific tumors and across tumor types.
URI: https://scholarhub.balamand.edu.lb/handle/uob/5437
DOI: 10.18632/oncotarget.27418
Open URL: Link to full text
Type: Journal Article
Appears in Collections:Faculty of Medicine

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