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7419045 
Journal Article 
Current and future perspectives of liquid biopsies in genomics-driven oncology 
Heitzer, E; Haque, IS; Roberts, CES; Speicher, MR; , 
2019 
1 
Nature Reviews. Genetics
ISSN: 1471-0056
EISSN: 1471-0064 
NATURE PUBLISHING GROUP 
LONDON 
71-88 
English 
30410101 
WOS:000456163700006 
Precision oncology seeks to leverage molecular information about cancer to improve patient outcomes. Tissue biopsy samples are widely used to characterize tumours but are limited by constraints on sampling frequency and their incomplete representation of the entire tumour bulk. Now, attention is turning to minimally invasive liquid biopsies, which enable analysis of tumour components (including circulating tumour cells and circulating tumour DNA) in bodily fluids such as blood. The potential of liquid biopsies is highlighted by studies that show they can track the evolutionary dynamics and heterogeneity of tumours and can detect very early emergence of therapy resistance, residual disease and recurrence. However, the analytical validity and clinical utility of liquid biopsies must be rigorously demonstrated before this potential can be realized.