Investigating iodine intake needs in the elderly

An Iodine Balance Study in the Elderly

Not applicable Interventional Tianjin Medical University · NCT06218043

This study is testing how much iodine older adults need to stay healthy and whether using iodized salt can help meet those needs.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment30 (estimated)
Ages18 Years and up
SexAll
SponsorTianjin Medical University Academic / other
Locations3 sites (Lanzhou, Gansu and 2 other locations)
Trial IDNCT06218043 on ClinicalTrials.gov

What this trial studies

This study aims to determine the recommended iodine intake for elderly individuals, who are at a higher risk for thyroid diseases. Researchers will measure participants' food and water intake while collecting urine and fecal samples to analyze iodine concentrations. The study consists of two phases: the first phase involves no intervention, while the second phase includes the consumption of iodized or non-iodized salt. By examining the relationship between iodine intake and excretion, the study seeks to establish optimal iodine intake levels for the elderly population.

Who should consider this trial

Good fit: Ideal candidates for this study are elderly individuals aged 60 and above, as well as adults living in the same household.

Not a fit: Patients with thyroid diseases, metabolic diseases, or those taking iodine-containing medications or supplements may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide crucial guidelines for iodine intake that may improve thyroid health in the elderly.

How similar studies have performed: While few iodine balance studies have been conducted in the elderly, this approach is relatively novel and aims to fill a significant gap in existing dietary guidelines.

Eligibility criteria

Show full inclusion / exclusion criteria
The target population of this study is elderly people over 60 years old. Adults living in the same household can also participate.

Inclusion Criteria:

1. aged 18 and above;
2. at least 5 years of local residence.

Exclusion Criteria:

1. family genetic diseases;
2. special dietary habits;
3. taking iodine-containing drugs or supplements;
4. metabolic diseases;
5. thyroid diseases.

Where this trial is running

Lanzhou, Gansu and 2 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Nutrition, Healthyrecommended intake of iodineiodine balance studythyroid diseaseselderly
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.