Recruiting Lentiviral Gene Therapy for X-linked Severe Combined Immunodeficiency NCT03601286 Conditions Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Genetic Diseases, Inborn, Genetic Diseases, X-Linked, +7 more Locations Great Ormond Street Hospital for Children NHS Foundation Trust — London, Greater London, United Kingdom View Trial Details