Completed A Natural History Study of Molybdenum Cofactor and Isolated Sulfite Oxidase Deficiencies NCT01735188 Conditions Isolated Sulfite Oxidase Deficiency, Molybdenum Cofactor Deficiency, Molybdenum cofactor deficiency Locations Massachusetts General Hospital — Boston, Massachusetts, United States UVA Health System — Charlottesville, Virginia, United States Woodinville Pediatrics PLLC — Woodinville, Washington, United States Hospital for Sick Children — Toronto, Canada View all 32 locations View more locations Show fewer locations Loading locations... View Trial Details