Can a heart drug ease long COVID symptoms?

NCT ID NCT06305806

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This completed Phase 2 trial tested whether ivabradine, a drug that slows heart rate, can reduce symptoms like dizziness and rapid heartbeat in people with long COVID. 181 participants received either ivabradine or a placebo for 3 months, with follow-up for another 3 months. The study measured changes in symptom scores and daily activity interference.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

Ivabradine

What this could lead to

If it works, this could point toward a treatment for long COVID symptoms such as dizziness and rapid heartbeat.

What could go wrong

This is a Phase 2 trial with only 181 participants, so results may not apply to everyone. The drug may not improve symptoms more than placebo.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

long COVID-19 postural orthostatic tachycardia syndrome

As listed by the trial registrant

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

Contacts and locations

Locations

  • All sites listed under NCT06305780

    Durham, North Carolina, 27710, United States