EBET-1055 is a degrader of bromodomain and extra-terminal (BET) proteins, consisting of a BET inhibitor (EBET-590), an E3 ubiquitin ligase ligand, and connectors. It effectively inhibits the growth of pancreatic ductal adenocarcinoma (PDAC) and also modulates cancer-associated fibroblast (CAF) activity, enhancing all reporter gene activities in organoid co-cultures [1].