It took 10 months following the release of final guidance, but the US FDA has finally attached a four-letter suffix to the non-proprietary name of a novel biologic with the agency's approval of Ultragenyx Pharmaceutical Inc.'s Mepsevii (vestronidase alfa-vjbk).
The agency approved the recombinant version of the enzyme beta-glucuronidase Nov. 15 as an enzyme replacement therapy for treatment of...








