previously treated HER2-positive advanced gastric cancer AstraZeneca and Daiichi Sankyo Company, Limited (Daiichi Sankyo) s Enhertu (trastuzumab deruxtecan) has been approved in the US for the treatment of adult patients with locally advanced or metastatic HER2-positive gastric or gastroesophageal junction (GEJ) adenocarcinoma who have received a prior trastuzumab-based regimen.
In the US, gastric cancer is most frequently diagnosed in the advanced stage, with only approximately 5% of patients surviving beyond five years.
1,2 Approximately one in five gastric cancers are HER2 positive.
3
The approval by the Food and Drug Administration (FDA) was based on the positive results from the randomised DESTINY-Gastric01 Phase II trial conducted in Japan and South Korea. In the trial, Enhertudemonstrated a statistically significant and clinically meaningful improvement in overall survival (OS) and objective respo