Your phone could soon hear a silent heart condition

NCT ID NCT06404437

Ongoing Diagnosis Sponsor: Friedrich-Alexander-Universität Erlangen-Nürnberg Source: ClinicalTrials.gov ↗

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

Summary

This pilot study tests whether a smartphone app, using its built-in microphone and machine learning, can detect severe aortic stenosis – a common but serious heart valve issue. Researchers will record heart sounds from 100 adults (with and without the condition) and compare the app's accuracy to standard digital stethoscopes. If it works, this could make screening faster and more accessible.

What this could mean

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

Active substance: smartphone app with machine learning
What this could lead to: If successful, this could lead to a quick, accessible screening tool for aortic stenosis using just a smartphone.
What could go wrong: This is a small pilot study (100 participants) testing algorithm accuracy, not a treatment. The app may not be reliable enough for real-world use yet.

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.

aortic valve stenosis heart valve disorder

As listed by the trial registrant

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

AORTIC VALVE STENOSIS

Contacts and locations

Locations

Deparment of Medicine 2 - Cardiology and Angiology, Friedrich-Alexander-Universität Erlangen-Nürnberg

Erlangen, 91054, Germany

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