Thyroid pill may boost Kids' heart health
NCT ID NCT07393165
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether treating children with a mild form of underactive thyroid (subclinical hypothyroidism) using a medication called levothyroxine can improve how well their hearts pump blood. The researchers will measure heart function in 40 children aged 4 to 15 before and after treatment. The goal is to see if this common thyroid medication has a positive effect on heart health in these children.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 40 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2025
- Expected to finish
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May 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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4 to 15 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Age from 4 to 15 years. * Both sexes. * Patients with stable elevated thyroid-stimulating hormone (TSH) ≥ 4.5 mIU/L with normal free T4 and ft3 in different measurement 4 - 6 weeks apart. Exclusion Criteria: * Overweight and obesity * Hypertension * Previous use of levothyroxine, antiepileptic drugs, or cardiac drugs within the last 6 months. * Arrhythmia. * Congenital or acquired heart disease * Liver or kidney disease * Hyperlipidemia * Diabetes * Infectious diseases * Respiratory diseases * Malignancies
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Tanta University
RECRUITINGTanta, El-Gharbia, 31527, Egypt
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