Simple breathing workout may boost heart health
NCT ID NCT05632614
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested whether a breathing muscle training device could improve blood flow in the hearts of people with coronary artery disease. Forty participants used the device daily for six weeks. Researchers compared high-intensity versus low-intensity training to see if it increased coronary blood flow.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
POWERbreathe KHP2 inspiratory muscle training device
What this could lead to
If it works, this could point toward a simple, drug-free way to improve heart blood flow in people with coronary artery disease.
What could go wrong
This is a small, early-stage study with only 40 participants. The results may not apply to everyone, and the breathing exercises might not improve blood flow as hoped.
Disclaimer
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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.
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.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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University of Ottawa Heart Institute
Ottawa, Ontario, K1Y 1J7, Canada