First Child with Hemophilia B Dosed in Phase 4 Trial to Extend Ixinity to Those Under Age 12
Aptevo Therapeutics announced the dosing of a first patient in a Phase 4 study aiming to extend use of its prophylactic (preventive) treatment Ixinity (coagulation factor IX [recombinant]) to children with hemophilia BÂ younger than 12 years old. “Initiation of the clinical study of Ixinity in…