Sanofi Genzyme is urging the European Medicines Agency to redefine the methodology it uses to assess the new active substance (NAS) status of biological products, especially those for rare diseases, after the regulator concluded that the company’s Pompe disease drug, Nexviadyme (avalglucosidase alfa), did not qualify as a NAS.
“Avalglucosidase alfa could not be considered to be a new active substance because there was not enough difference between avalglucosidase...
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