I'll link to the PR for more info https://www.globenewswire.com/news-release/2020/05/29/2040839/0/en/SPEAR-T-cells-Targeting-MAGE-A4-Demonstrate-New-Responses-in-Esophagogastric-Junction-EGJ-Lung-and-Head-and-Neck-Cancers-Late-Stage-Development-Initiated-in-EGJ-Cancer.html