Status:
UNKNOWN
Study on the Compensatory Mechanism of Iodine Nutrition and the Optimal Intake Level of Lactating Women
Lead Sponsor:
Tianjin Medical University
Conditions:
Nutritional Requirements
Eligibility:
All Genders
1-40 years
Brief Summary
Due to the lack of direct evidence of optimal iodine intake of Chinese children, pregnant and lactating women and infants were found during the recent revision of Chinese dietary reference intakes (DR...
Detailed Description
Studies indicate lactating women and their infants are the most vulnerable population to the adverse effects of iodine deficiency and excess, and because of the complexity of the study of lactating mo...
Eligibility Criteria
Inclusion
- Women in their third trimester:⑴Aged 18-40, who have lived in the area for 1 year;⑵Single pregnancy;⑶Those who have no special dietary habits;
- Lactating woman:⑴Breastfeeding a child;⑵Normal thyroid function during pregnancy;⑶Term delivery (38-42 weeks of gestation);
- Infants and young children:⑴0-6 months;⑵Breastfeeding;⑶Full term (38-42 weeks of gestation);⑷Normal birth weight (2500-4000g);⑸The thyroid-stimulating hormone (TSH) value of heel blood was normal;⑹Apgar score 8.
Exclusion
- Women in their third trimester:⑴Smoking or drinking;⑵Iodized drugs or contrast agents have been used in the past year;⑶A history of thyroid disease, autoimmune disease, endocrine disease, heart disease, chronic disease or family hereditary disease, etc;
- Lactating woman:⑴A history of thyroid disease, autoimmune disease, endocrine disease, heart disease, chronic disease or family hereditary disease, etc;
- Infants and young children:⑴Have pathological jaundice, autoimmune disease, congenital heart disease and other diseases.
Key Trial Info
Start Date :
January 1 2020
Trial Type :
OBSERVATIONAL
Allocation :
ESTIMATED
End Date :
December 31 2024
Estimated Enrollment :
600 Patients enrolled
Trial Details
Trial ID
NCT04492657
Start Date
January 1 2020
End Date
December 31 2024
Last Update
August 11 2020
Active Locations (4)
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1
Boston University School of Medicine; Iodine Global Network (IGN)
Boston, Massachusetts, United States, 02101-02117
2
Institute of Nutrition and Health, Chinese Center for Disease Control and Prevention
Beijing, China
3
Shandong Institute of Endemic Disease Control and Prevention
Shandong, China
4
Swiss federal institute of Technology (ETH)
Zurich, Switzerland