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NCT04524013 Clinical Trial

Swiss National Iodine Survey 2020

Healthy Clinical Trial

Official title:
Swiss National Iodine Survey 2020

Clinical Trial Details — Status: Completed

Administrative data
NCT number NCT04524013
Other study ID # 2020-00192
Secondary ID
Status Completed
Phase
First received
Last updated
Start date October 1, 2020
Est. completion date July 30, 2023

Study information
Verified date November 2023
Source Swiss Federal Institute of Technology
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

This study will assess iodine status in school aged children and pregnant women is Switzerland. In addition, thyroid status and omega-3 index will be assessed in pregnant women.

Recruitment information / eligibility
Status Completed
Enrollment 875
Est. completion date July 30, 2023
Est. primary completion date August 31, 2022
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 6 Years to 44 Years
Eligibility Inclusion Criteria: - Healthy - for pregnant women: confirmed pregnancy - living in Switzerland for min 1 year Exclusion Criteria: - no history of major medical illness - no iodine containing contrast agents or medication in the past 6 months

Study Design

Related Conditions & MeSH terms

Intervention

Other:
• There is no intervention. It is an observational study.
There is not intervention

Locations
Country Name City State
Switzerland Human Nutrition Laboratory, ETH Zurich Zurich

Sponsors (3)
Lead Sponsor Collaborator
Isabelle Herter-Aeberli Department of Epidemiology and Health Services, Unisanté, Lausanne, University Children's Hospital, Zurich

Country where clinical trial is conducted

Switzerland, 

Outcome
Type Measure Description Time frame Safety issue
Other Weight Baseline
Other Height Baseline
Other Omega 3 intake Assessment of omega 3 intake using a food frequency questionnaire Baseline
Other Depressive symptoms Assessment of depressive symptoms using the Edinburgh Postnatal Depression Scale (EPDS). Baseline
Primary Urinary iodine concentration urinary iodine concentration in spot urine samples Baseline
Secondary Urinary creatinine concentration Urinary creatinine concentration in spot urine samples Baseline
Secondary Urinary sodium concentration Urinary sodium concentration in spot urine samples Baseline
Secondary Urinary fluoride concentration Urinary fluoride concentration in spot urine samples Baseline
Secondary Thyroid stimulating hormone TSH from dried blood spots Baseline
Secondary T3 T3 from dried blood spots Baseline
Secondary T4 T4 from dried blood spots Baseline
Secondary Omega 3 index Omega 3 index from dried blood spots Baseline
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