Official Title
Effect of Vitamin A Supplementation on Iron Metabolic Homeostasis of Preschool Children in Sichuan,China
Phase
N/ALead Sponsor
Chengdu Maternal and Children's Health Care HospitalStudy Type
InterventionalStatus
Completed No Results PostedIndication/Condition
Iron Metabolic HomeostasisStudy Participants
450The investigators plan to perform a randomized, mutual-control and double-blinded cohort study to further exploit the vitamin A supplementation on iron metabolic homeostasis (including iron reserve, mobilization and absorption status in the same population) compared with solely iron and vitamin A plus iron.
children in Group I received a 200,000 IU vitamin A capsule just one time initially; Group II received ferrous sulfate (element Fe 1-2 mg/kg•day) once a day for 6 months;.
Inclusion Criteria: apparent health; Hb concentration>60 g/L; C-reaction protein (CRP)<10 mg/L; parental or guardian approval of participation in all aspects of the study; and parental/guardian agreement to avoid the additional use of vitamin and mineral supplements during the investigation. Exclusion Criteria: does not match the inclusion criteria