Recruiting Lentiviral Gene Transfer for Treatment of Children Older Than Two Years of Age With X-Linked Severe Combined Immunodeficiency (XSCID) NCT01306019 Conditions Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Genetic Diseases, Inborn, Genetic Diseases, X-Linked, +7 more Locations National Institutes of Health Clinical Center — Bethesda, Maryland, United States View Trial Details