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scientific articles

Massive Accidental Overdose of Hydroxyurea in a Young Child with Sickle Cell Anemia

key information

source: Pediatric Blood & Cancer

year: 2012

authors: Scott T. Miller, Kathy Rey, Jin He, Jonathan Flanagan, Billie J. Fish, Zora R. Rogers, Winfred C. Wang, Russell E. Ware


The Pediatric Hydroxyurea Phase III Clinical Trial (BABY HUG) confirmed safety and efficacy of hydroxyurea therapy for infants with sickle cell anemia. Treatment was associated with reduction in rates of pain, acute chest syndrome, hospitalizations, and blood transfusions; improved hematologic values; and, perhaps, preservation of organ function. During the study, a 2-year-old ingested at one time an entire 35-day supply of hydroxyurea (612 mg/kg body weight). Despite a serum level of 7,756 µM 4 hours post-ingestion, the only toxicity was transient mild myelosuppression. With wider usage of hydroxyurea anticipated, conservative management of future overdoses seems reasonable (ClinicalTrials.gov NCT00006400).

organization: Downstate Medical Center/Kings County Hospital Center, USA; St. Jude Children’s Research Hospital, USA; Clinical Trials & Surveys, Corp., USA; UT Southwestern Medical Center, USA; Baylor College of Medicine Houston, USA

DOI: 10.1002/pbc.23244

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