Swiss National Iodine Survey 2020
Completed
- Conditions
- Healthy
- Interventions
- Other: There is no intervention. It is an observational study.
- Registration Number
- NCT04524013
- Lead Sponsor
- Isabelle Herter-Aeberli
- Brief 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.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 875
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
- Study Type
- OBSERVATIONAL
- Study Design
- Not specified
- Arm && Interventions
Group Intervention Description School aged children There is no intervention. It is an observational study. - Pregnant women There is no intervention. It is an observational study. -
- Primary Outcome Measures
Name Time Method Urinary iodine concentration Baseline urinary iodine concentration in spot urine samples
- Secondary Outcome Measures
Name Time Method Thyroid stimulating hormone Baseline TSH from dried blood spots
T3 Baseline T3 from dried blood spots
Urinary fluoride concentration Baseline Urinary fluoride concentration in spot urine samples
T4 Baseline T4 from dried blood spots
Urinary creatinine concentration Baseline Urinary creatinine concentration in spot urine samples
Urinary sodium concentration Baseline Urinary sodium concentration in spot urine samples
Omega 3 index Baseline Omega 3 index from dried blood spots
Trial Locations
- Locations (1)
Human Nutrition Laboratory, ETH Zurich
🇨ðŸ‡Zurich, Switzerland