Liquid biopsy may be better way to decide who gets chemo

They’re far too small to be seen by even probably the most refined medical imaging machine. However bits of tumor DNA adrift in a affected person’s blood are an necessary bellwether for whether or not most cancers will return — and, as a brand new examine exhibits, can predict which remedies are prone to work.

Scientists reported within the journal Nature Drugs on Monday that colorectal most cancers sufferers who had tumor DNA of their blood after surgical procedure had been much more prone to have their most cancers return. However the important thing discovering was that it was the sufferers with this circulating tumor DNA who wanted and benefited from chemotherapy, no matter their most cancers stage or different danger elements, whereas these with out this DNA didn’t profit from chemo.