“There are currently no FDA-approved therapies for metastatic colorectal cancer that specifically target HER2,” said Marjorie Green, M.D., Senior Vice President and Head of Late-Stage Development, Seagen. “The FDA’s prioritization of our application for tucatinib in combination with trastuzumab supports our belief in its significant potential to benefit people with previously treated HER2-positive metastatic colorectal cancer.”