2024-09-02
Guardant Health Japan Corp. (HQ: Minato-ku, Tokyo/ Representative Director: Mika Takaki), a leading precision oncology company, today announced that the Ministry of Health, Labour and Welfare (MHLW) in Japan has approved Guardant360® CDx 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. This approval makes the Guardant360 CDx comprehensive genomic profiling panel the first blood-based companion diagnostic to be approved in Japan for the detection of EGFR exon 20 insertion mutations. Janssen Pharmaceutical K.K. (HQ: Chiyoda-ku, Tokyo/ Representative Director: Shuhei Sekiguchi), a Johnson & Johnson company, is currently seeking regulatory approval for the use of amivantamab-vmjw, a precision medicine, in Japan.