Tommie Reerink's questions to Ultragenyx Pharmaceutical Inc (RARE) leadership • Q2 2025
Question
Representing Salveen Richter of Goldman Sachs, Tommie Reerink asked about the regulatory and competitive bar for the upcoming Angelman syndrome data and whether there has been any updated feedback from the FDA on using the Bayley-4 scale as the primary endpoint.
Answer
Eric Crombez, Chief Medical Officer, stated that the bar for the Angelman program has not changed and that the company has full FDA buy-in on the study design. He expressed high confidence in the Bayley Cognition endpoint as foundational and noted that the rapid study enrollment reflects strong community enthusiasm for the therapy.