Guardant Health Japan receives regulatory approval of Guardant360® CDx liquid biopsy as companion diagnostic for imlunestrant in metastatic or recurrent breast cancer previously treated with endocrine therapy
Guardant360® CDx is the first companion diagnostic to be approved in Japan to identify ESR1 mutations in patients with hormone receptor-positive, HER2-negative breast cancer for treatment with imlunestrant TOKYO, Dec. 22, 2025 /PRNewswire/ --...