American Society of Hematology Apr 17 2025 Hydroxyurea remains effective long-term in reducing emergency department visits and hospital days for children living with sickle cell disease (SCD), according to new research published in Blood Advances. "This is one of the first large, real-world, long-term studies to assess the efficacy of hydroxyurea outside of a controlled setting," said study author Paul George, MD, a pediatric hematology/oncology fellow and PhD candidate at Emory University