Thyroid test revolution: new study seeks better way to monitor hormone levels

NCT ID NCT06083636

Recruiting now Knowledge-focused Sponsor: Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether measuring a different thyroid hormone (fT3) or the ratio of two hormones (fT3/fT4) can give a clearer picture of thyroid health in people taking levothyroxine. It includes 500 adults with various types of hypothyroidism who are on a stable dose of the medication. The goal is to improve lab tests for patients where the usual TSH test isn't reliable.

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Conditions

The condition(s) this trial relates to.

central congenital hypothyroidism hypothyroidism postsurgical hypothyroidism

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

HYPOTHYROIDISM

Contacts and locations

Locations

Amsterdam UMC
RECRUITING

Amsterdam, North Holland, 1105 AZ, Netherlands

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