Chiesi Global Rare Diseases, a business unit of Chiesi Farmaceutici S.p.A., an international research-focused healthcare Group (Chiesi Group), announced that the US Food and Drug Administration (FDA) has approved Lamzede (velmanase alfa-tycv) for the treatment of non-central nervous system manifestations of alpha-mannosidosis (AM) in adult and paediatric patients. AM is an ultra-rare, progressive lysosomal storage disorder caused by deficiency in the enzyme a-mannosidase.