Blood Test Instead of Biopsy for Metastatic Prostate Cancer


“There has been a lot of buzz recently about the use of ‘liquid biopsies’ and how these blood tests that show cancer may be able to replace the need for tissue biopsies.

“The latest study shows that such a test could be useful in metastatic prostate cancer, where the biopsy sample would need to be taken from bone, which is painful, risky, and expensive, says an expert.

“This study used the Guardant360 test and found that cell-free, circulating tumor DNA (ctDNA) was detected in most patients (94%) with metastatic castration-resistant prostate cancer (mCRPC).”

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