A closely watched clinical trial in Britain that screened blood for early detection of cancer did not show a reduction in diagnoses at later stages of the disease.

"No cancer signal detected." The blood test results popped up in my online health portal without much fanfare. A doctor would chat about them with me later, congratulating me on the "phew"-worthy ...

Despite efforts by test maker Grail to highlight outcomes the company considers positive, some experts are warning against using the Galleri test and others like it.

Oncodetect uses whole exome sequencing to analyze circulating tumor DNA, providing quantitative insights into disease status for informed treatment decisions. The test offers a "Detected" or "Not ...

Shares in the company lost about half their value in Friday trading after the clinical trial failed to demonstrate a statistically significant reduction in stage III and IV cancers.