Grail Submits Final PMA Module for Cancer Blood Test

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Grail has submitted the final module of its PMA for the company’s multi-cancer early detection blood test. The Galleri test, which was designated a Breakthrough Device by FDA in 2018, is designed to detect cancer signals and predict their tissue of origin from a single blood draw. It identifies DNA in the bloodstream shed by cancer cells and does not predict future genetic risk for cancer, the company says. If approved, it would be among the first multi-cancer screening tests authorized for use in asymptomatic individuals.

The PMA submission is based primarily on data from two large studies: the U.S.-based PATHFINDER 2 study and the NHS-Galleri trial conducted in England. According to Grail, the application includes test performance and safety data from 25,490 participants enrolled in PATHFINDER 2 with one year of follow-up, as well as results from the first screening round of the NHS-Galleri trial, the largest randomized controlled trial conducted to date for a multi-cancer early detection test.

The filing also includes a bridging analysis comparing the version of Galleri used in the clinical studies with the updated version submitted for FDA approval.

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