Guardant Health Japan has received approval from the Ministry of Health, Labour and Welfare (MHLW) in Japan for Guardant360 CDx to be used as a companion diagnostic to identify EGFR exon 20 insertion mutations in patients with inoperable or recurrent non-small cell lung cancer (NSCLC) for consideration of treatment with amivantamab-vmjw combined with chemotherapy.
Guardant360 CDx uses next-generation sequencing to provide comprehensive genomic profiling of cancer-related genes. The test is expected to offer a solution for the limitations of tissue biopsies and allow the collection of timely clinical data to provide patients with personalized treatment plans.
Analyst QuickTake: The Guardant360 CDx liquid biopsy test is used to detect genomic alterations in cancer patients by analyzing circulating tumor DNA (ctDNA) in the blood. This test helps in identifying specific genetic mutations that can guide targeted therapy decisions for multiple types of cancer, including ESR1 mutations in ER+, HER2-advanced, or metastatic breast cancer. In August 2023, the test received regulatory approval in Japan to be included in treatments for patients with advanced solid tumor cancers.
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