United States, Dec. 9 -- The U.S. Food and Drug Administration approved Waskyra (etuvetidigene autotemcel), the first cell-based gene therapy for the treatment of Wiskott-Aldrich syndrome (WAS). Waskyra is indicated for pediatric patients six months and older and adults with WAS who have a mutation in the WAS gene and for whom hematopoietic stem cell transplantation (HSCT) is appropriate and no suitable human leukocyte antigen (HLA)-matched related stem cell donor is available. WAS is a rare, life-threatening genetic disease caused by mutations in the WAS gene. The condition is characterized by bleeding, eczema, recurrent infections, and increased susceptibility to autoimmunity and lymphoreticular malignancies. Until today, treatment option...