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Study on Adults and Iodine Deficiency (SAID)

A randomised, double-blind, placebo-controlled intervention trial of the effect of iodine supplementation on thyroglobulin concentration in mildly iodine deficient young adults

Status
Completed
Phases
Unknown
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12613000789763
Acronym
Study on Adults and Iodine Deficiency (SAID)
Enrollment
112
Registered
2013-07-15
Start date
2013-07-15
Completion date
2014-07-09
Last updated
2020-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Brief summary

The aim of this study is to determine the efficacy of thyroglobulin concentration in assessing iodine status in individuals.

Interventions

Oral iodine supplement (150 mcg Iodine/day) for 6 months. Tablets will be supplied in a 28 day blister pack/month; blister packs will be returned and remaining tablets measured to monitor adherance.

Sponsors

University of Otago
Lead SponsorUniversity

Study design

Allocation
Randomised controlled trial
Intervention model
Parallel
Primary purpose
Treatment
Masking
Blinded (masking used) (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
All
Age
18 Years to 40 Years
Healthy volunteers
Yes

Inclusion criteria

Healthy, free of thyroid disease, eats 2 or less servings of commercial bread/day, not taking iodine supplements, not pregnant or planning a pregnancy, not breastfeeding, with urinary iodine concentration less than 100 mcg/L.

Exclusion criteria

Urinary Iodine Concentration >100 mcg/L Presence of thyroid antibodies Low T4 or High TSH

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 4, 2026