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Liquid Biopsies for Cancer: Coming to a Patient near You

Scripps Translational Science Institute/The Scripps Research Institute, 3344 North Torrey Pines Court, Suite 300, La Jolla, CA 92037, USA
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Academic Editor: Ryou-u Takahashi
J. Clin. Med. 2017, 6(1), 3; https://doi.org/10.3390/jcm6010003
Received: 13 October 2016 / Revised: 15 December 2016 / Accepted: 18 December 2016 / Published: 4 January 2017
The use of circulating tumor DNA (ctDNA) as a novel and non-invasive test for the diagnosis and surveillance of cancer is a rapidly growing area of interest, with sequencing of ctDNA acting as a potential surrogate for tissue biopsy. Circulating tumor DNA has been detected incidentally during noninvasive prenatal testing and additionally in more than 75% of known cancer patients participating in ctDNA studies evaluating its sensitivity. In the setting of mutation-based targeted tumor therapy, it shows a concordance rate >80% when compared with gold-standard tissue biopsies. Through ctDNA detection and sequencing, a simple blood test becomes a liquid biopsy for cancer, surveying a patient’s entire circulation with the goal of early detection, prognostic information, personalized therapy options, and tracking for recurrence or resistance, all with fewer or no tissue biopsies. Given the recent first-ever FDA approval of a liquid biopsy, it is important for clinicians to be aware of the rapid advancements likely to bring these tests into our practices soon. Here we review the biology, clinical implications, and recent advances in circulating tumor DNA analysis. View Full-Text
Keywords: cancer surveillance; genomics; personalized medicine; liquid biopsy cancer surveillance; genomics; personalized medicine; liquid biopsy
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Krishnamurthy, N.; Spencer, E.; Torkamani, A.; Nicholson, L. Liquid Biopsies for Cancer: Coming to a Patient near You. J. Clin. Med. 2017, 6, 3.

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