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Dietary Vitamin A Requirement in Chinese Children and the New Technology of Dietary Assessment

NCT01559766 · Status: COMPLETED · Type: OBSERVATIONAL · Enrollment: 403

Last updated 2012-03-21

No results posted yet for this study

Summary

Vitamin A deficiency remains a major public health problem in developing country worldwide. Young Children are considered to be at greatest risk of deficiency. However, there is little information on the vitamin A requirement of Chinese children. In the present study, about 400 children aged between 4 and 9 years old in a kindergarten and an elementary school of Shiyan City were screened before admission by questionnaire and anthropometric measurement. The vitamin A status of children was assessed by serum vitamin A level, relative dosage reaction and stable-isotope dilution technique. At the same time, their dietary vitamin A intakes were estimated by weighted-food dietary survey. The dietary vitamin A requirement in young children was determined on the basis of dietary vitamin A intakes in Children with adequate vitamin A level.

Conditions

  • Vitamin A Deficiency

Sponsors & Collaborators

  • ShiYan Centre for Disease Control and Prevention

    collaborator UNKNOWN

  • Tufts Medical Center

    collaborator OTHER

  • Huazhong University of Science and Technology

    lead OTHER

Principal Investigators

  • Xiufa Sun, BS · Tongji Medical College, Huazhong University of Science and Technology

Eligibility

Min Age
4 Years
Max Age
9 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2009-07-31
Primary Completion
2010-07-31
Completion
2010-09-30

Countries

  • China

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01559766 on ClinicalTrials.gov