Thyroid pill may protect heart after bypass surgery

NCT ID NCT07380854

Recruiting now Disease control Sponsor: Seoul National University Bundang Hospital Source: ClinicalTrials.gov ↗

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

Summary

This study tests whether giving levothyroxine (a thyroid hormone) to people with mild underactive thyroid before and after heart bypass surgery can lower the risk of serious heart problems like heart attack, stroke, or irregular heartbeat. About 338 adults will be randomly assigned to receive the hormone or not. The goal is to see if this simple treatment improves recovery and long-term heart health.

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Conditions

The condition(s) this trial relates to.

hypothyroidism

As listed by the trial registrant

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

SUBCLINICAL HYPOTHYROIDISM

Contacts and locations

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Study contacts

Contact

Phone: •••-•••-•••• Email: •••••@•••••

Locations

Department of Internal Medicine, Seoul National University Bundang Hospital
RECRUITING

Seongnam-si, 13620, South Korea

Contact Phone: •••-•••-•••• Email: •••••@•••••