Skin blood flow test may predict heart danger in tough-to-treat high blood pressure

NCT ID NCT05464849

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

Summary

This completed study looked at 111 people to see if measuring blood flow in the skin can help assess cardiovascular risk in those with resistant hypertension (high blood pressure that doesn't respond to multiple drugs). Researchers used a laser device to check how well tiny blood vessels in the skin expand and contract. The goal was to see if these skin measurements could reveal hidden damage to organs and offer a non-invasive way to predict heart problems.

What this could mean

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

What this could lead to

If successful, this could lead to a simple, non-invasive skin test to better predict heart risks in people with hard-to-treat high blood pressure.

What could go wrong

This is an observational study, not a treatment trial. It only measures blood flow, so it cannot directly improve health. Results may not apply to all patients.

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.

essential hypertension hypertensive disorder Microvascular Rarefaction resistant hypertension

As listed by the trial registrant

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

Contacts and locations

Locations

  • Eduardo Tibiriçá

    Rio de Janeiro, 22240006, Brazil