Mimi Hu, MD University of Texas MD Anderson Cancer Center, Houston, Texas, discusses promising results from the registrational Phase I/II ARROW trial (NCT03037385). This study investigated the safety of pralsetinib (BLU-667) in patients with advanced RET-positive mutation medullary thyroid cancer (RET+ MTC). This interview was recorded via an online conference call with The Video Journal of Oncology (VJOncology).