FDA approves new Guardant360 Liquid CDx, the largest FDA approved liquid biopsy panel with a 100x expanded footprint

Guardant Health

20 May 2026 - Guardant Health today announced that the US FDA has approved Guardant360 Liquid CDx, advancing blood-based comprehensive genomic testing by integrating genomic and epigenomic insights and helping clinicians make better-informed treatment selection decisions for patients with advanced cancer. 

Guardant360 Liquid CDx is the largest FDA approved liquid biopsy panel, assessing a 100X wider genomic footprint than the previously approved Guardant360 CDx to deliver comprehensive tumor profiling results. 

The seven previously US FDA approved companion diagnostic indications for Guardant360 CDx transfer to the new test with the FDA approval of Guardant360 Liquid CDx.

Read Guardant Health press release

Michael Wonder

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Michael Wonder