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AI listens to heart: voice recordings may spot dangerous pressure shifts

NCT ID NCT07443670

Knowledge-focused Sponsor: Noah Labs Source: ClinicalTrials.gov ↗

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Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
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Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study enrolls 60 heart failure patients who already have an implanted sensor to measure lung artery pressure. Participants record their voice daily for 3 months using a smartphone app. After the study, researchers will use artificial intelligence to see if voice changes can predict pressure changes. The goal is to explore whether voice analysis could someday offer a simple, non-invasive way to monitor heart failure.

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 non-invasive way to monitor heart failure using just voice recordings, potentially reducing the need for frequent clinic visits.
What could go wrong
This is a small, early observational study (60 people) that only analyzes voice data after the fact. The AI may not accurately detect pressure changes, and results may not apply to all heart failure patients.

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

Study facts

What this study's own registry entry says, in plain language.

Participants

About 60 people

The number the study aims to enrol. It can still change while the study runs.

Started

Dec 2024

Expected to finish

Sep 2026

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Adults aged 18 years or older with chronic heart failure and a successfully implanted pulmonary arterial pressure sensor, monitored at participating centers in Germany and the United States.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age 18 years or older * Successful implantation of a PA pressure sensor and monitored by a participating study center * Willingness to record a short predefined text daily for 3 months using a smartphone or tablet * Ability to comfortably read aloud the study passage in English or German * Written informed consent obtained Exclusion Criteria: * Pregnant, breastfeeding, or unwilling to practice birth control during participation * Condition that in the opinion of the investigator would compromise patient safety or data quality * Pathological voice changes due to surgery or injury * Planned invasive cardiac procedures during the study period * COPD requiring home oxygen therapy * Chronic kidney disease requiring dialysis * Cognitive dysfunction limiting ability to perform daily voice recording * Inability to read English or German * Physical inability to use the recording device

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Conditions

The condition(s) this trial relates to.

heart failure

As listed by the trial registrant

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

Heart failure

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • BG Klinikum Unfallkrankenhaus Berlin, Dept. of Cardiology

    COMPLETED

    Berlin, State of Berlin, 12683, Germany

  • University Hospital Frankfurt, Dept. of Cardiology and Angiology

    COMPLETED

    Frankfurt, 60590, Germany

  • University of California, San Francisco (UCSF)

    RECRUITING

    San Francisco, California, 94143, United States

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