Results of the first external quality assessment scheme (EQA) for isolation and analysis of circulating tumour DNA (ctDNA)

What is it about?

Circulating tumour DNA (ctDNA) is evolving as a promising, non-invasive, personalised tumour marker for different malignancies. By providing different laboratories the same samples for analysis of ctDNA, we show for the first time that there is a wide variability and lack of harmonisation regarding critical analytical issues that have to be addressed before this new diagnostic application is ready to be implemented into a routine set-up.

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