Blueprint Medicines Corporation’s presentation of full data from the Phase III PIONEER study of Ayvakit (avapritinib) in indolent systemic mastocytosis (ISM) bolsters the drug’s chances of winning approval while allaying some – but not all – of the concerns about its commercial potential in that disease amid a debate that arose when the company announced topline results from the study in 2022.
The biotech presented the data on 26 February at the American Academy of Allergy, Asthma & Immunology (AAAI) meeting