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Smartphone app listens for heart failure danger signs

NCT ID NCT07443969

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

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

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

Summary

This study tests a smartphone app that listens to your voice to catch early signs of heart failure getting worse. 123 people who were in the hospital for heart failure will record their voice daily for 6 months. The app looks for voice changes that might signal a problem, but doctors won't see those results during the study—they'll be analyzed later to see if the app works.

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 123 people

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

Started

Jan 2025

Expected to finish

Jun 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 hospitalized for acute decompensated heart failure or de-novo heart failure, irrespective of left ventricular ejection fraction, recruited from the wards of three participating hospitals in the Netherlands and Spain.

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: * Informed consent provided * Currently hospitalized for acutely decompensated HF or de-novo HF * Age: 18 years and above Exclusion Criteria: * Inability to provide consent * Pregnancy * Life-expectancy lower than 1 year due to a condition other than HF * Planned cardiac intervention within the next 6 months (e.g. valve replacement, bypass surgery) * Disabling mental diseases (e.g., Alzheimer's disease) * Symptoms mainly caused by chronic disease other than HF such as chronic obstructive pulmonary disease * Inability to use a smartphone or a tablet computer despite support by informal caregiver if required * Insufficient knowledge of the local language * Previous operations on organs involved in generation of voice (vocal tract, vocal folds, etc.) * Participation in another interventional study within 30 days of inclusion

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Conditions

The condition(s) this trial relates to.

congestive heart failure heart disorder heart failure

As listed by the trial registrant

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

Chronic heart disease Chronic heart failure Heart failure

Contacts and locations

Locations

  • Hospital Clínic de Barcelona

    Barcelona, 08036, Spain

  • Maastricht University Medical Centre

    Maastricht, 6202AZ, Netherlands

  • Zuyderland Medical Centre

    Heerlen, 6419, Netherlands

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