Novartis unit AveXis wants more time to respond to questions the European Medicines Agency has regarding its marketing authorization application (MAA) for Zolgensma (onasemnogene abeparvovec), the gene therapy for treating spinal muscular atrophy that is at the heart of a data manipulation controversy in the US.
Zolgensma is at the later stages of review under the centralized procedure at the EMA. Novartis AG said it...








