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Guardant Health Announces Landmark FDA Approval of Guardant360® CDx as Companion ...
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Fusion42 · 5 September 2026 · Fusion42 review
The FDA approved Guardant360 CDx as the first liquid biopsy companion diagnostic for identifying ESR1 mutations in advanced HR-positive breast cancer to enable early therapeutic intervention with AstraZeneca's ETCAMAH before radiographic progression.
This Wire brief sits within Fusion42's coverage of Medtech.
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You can now build services around earlier breast cancer intervention using liquid biopsy, as Guardant360 opens access to adaptive cancer treatment before visible progression. This FDA nod forces therapy players to integrate ctDNA testing to stay relevant in breast cancer care.
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1 source · 5 Sep 2026
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