US WorldMeds’ Neuroblastoma Drug: External Controls, Confirmatory Evidence, And A Concern About Precedent
US FDA officials said the high-quality nature of the patient-level data used in the external control arm, and the use of animal models considered to be translatable, justify reliance upon a nontraditional data package for eflornithine (DFMO) in high-risk neuroblastoma, but some adcomm members worry that an approval will open the door too widely for others to follow.
