Can exercise dose improve heart health? study tests the best amount

NCT ID NCT02514564

Completed Disease control Sponsor: Instituto Nacional de Cardiologia de Laranjeiras Source: ClinicalTrials.gov ↗

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

Summary

This study looked at how different amounts of aerobic exercise affect blood flow and fitness in 115 people with heart disease. Participants joined a cardiac rehab program and were monitored for changes in skin blood flow and oxygen use during exercise. The goal is to find the most effective exercise volume for improving cardiovascular health.

What this could mean

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

Active substance: aerobic exercise training
What this could lead to: If successful, this could help doctors prescribe the right amount of exercise to improve heart health and fitness in people with cardiovascular disease.
What could go wrong: This is a completed study, but the results may not apply to all heart patients. Exercise benefits are well-known, so the main question is about the optimal dose, not a breakthrough.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

cardiovascular disorder coronary artery disorder

As listed by the trial registrant

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

CARDIOVASCULAR DISEASES

Contacts and locations

Locations

Instituto Nacional de Cardiologia

Rio de Janeiro, Rio de Janeiro, 21040-900, Brazil

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