- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00207558
Blood Folate and Homocysteine Levels Following Administration of Folic Acid According to Different Daily Dosing Schedules:a Simulation of Food Fortification
Study Overview
Status
Intervention / Treatment
Study Type
Enrollment
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Hebei
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Xianghe County, Hebei, China
- Townships
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
-women who have delivered a baby two to four years ago, whose child is still alive, who are not breast-feeding, who are not pregnant or planning to become pregnant within the next 9 months following enrollment, who are using an IUD for contraception, and who have not taken vitamin supplements during the past 3 months
Exclusion Criteria:
-women who have not delivered a baby two to four years ago, whose child is deceased, who are breast-feeding, who are currently pregnant or planning to become pregnant within the next 9 months following enrollment, who are not using an IUD for contraception, and who have taken vitamin supplements during the past 3 months
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Collaborators and Investigators
Publications and helpful links
General Publications
- Chen MY, Rose CE, Qi YP, Williams JL, Yeung LF, Berry RJ, Hao L, Cannon MJ, Crider KS. Defining the plasma folate concentration associated with the red blood cell folate concentration threshold for optimal neural tube defects prevention: a population-based, randomized trial of folic acid supplementation. Am J Clin Nutr. 2019 May 1;109(5):1452-1461. doi: 10.1093/ajcn/nqz027.
- Crider KS, Zhu JH, Hao L, Yang QH, Yang TP, Gindler J, Maneval DR, Quinlivan EP, Li Z, Bailey LB, Berry RJ. MTHFR 677C->T genotype is associated with folate and homocysteine concentrations in a large, population-based, double-blind trial of folic acid supplementation. Am J Clin Nutr. 2011 Jun;93(6):1365-72. doi: 10.3945/ajcn.110.004671. Epub 2011 Apr 20.
Study record dates
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- CDC-NCBDDD-3970
- U11/CCU015587-04-1
- U11/CCU015586-05
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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