Effect of Vitamin A Supplementation on Iron Metabolic Homeostasis of Preschool Children in Sichuan,China

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01355263

Enrollment

450

Registered

2011-05-18

Start date

2011-07-31

Completion date

2012-08-31

Last updated

2013-02-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Iron Metabolic Homeostasis

Keywords

vitamin a, preschool children, iron metabolic homeostasis, supplementation effect

Brief summary

The 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.

Interventions

DRUGiron and vitamin a

Study design

Allocation

RANDOMIZED

Intervention model

CROSSOVER

Primary purpose

PREVENTION

Masking

QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender

ALL

Age

2 Years to 6 Years

Healthy volunteers

Yes

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

Design outcomes

Primary

Measure	Time frame
hemoglobin	6 months

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026