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Your phone could soon spot a hidden heart condition

NCT ID NCT07154303

Diagnosis Sponsor: The University of Hong Kong Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

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 This study
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 Results may not be published yet.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
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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether smartphone sensors and AI can accurately detect atrial fibrillation (AF), a common heart rhythm disorder. Researchers will collect heart sounds, one-lead ECGs, and facial blood flow data from 209 adults with and without AF. The goal is to see if these smartphone-based methods can match the gold-standard 12-lead ECG in identifying AF.

What this could mean

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

Active substance
Computer algorithms (ausculto®, Vitogram®, FacialAI)
What this could lead to
If successful, this could enable people to screen for atrial fibrillation using just their smartphone, potentially catching the condition earlier.
What could go wrong
This is an early diagnostic study, not a treatment trial. The AI may not be accurate enough in real-world settings, and results may not apply to all smartphone models or users.

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 209 people

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

Started

Aug 2025

Expected to finish

Oct 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

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

Who is studied

Hospital cardiology patients

Ages

22 years and older

Sex

Anyone

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: ≥22 years (adult) * Patients who have one of the following: * Permanent atrial fibrillation, or * Long-standing persistent atrial fibrillation (12 months or longer), or * Confirmed 12-lead ECG diagnosis for persistent atrial fibrillation (\> 7 days) or sinus rhythm within 12 months at the time of their normal attendance at the hospital Exclusion Criteria: Any of the following: * Implanted active medical devices in the torso, such as pacemakers and defibrillators * Patients without atrial fibrillation who have another arrhythmia * Completely missing one or more limbs, or missing any hand * Disability in using their hands or arms * Lack of both index fingers, or all fingers in any hand * Both index fingers with any of the following characteristics: * Tattooed/inked * Reduced blood flow in the fingertip (e.g. perniosis or callus formation)

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Conditions

The condition(s) this trial relates to.

atrial fibrillation

As listed by the trial registrant

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

Atrial fibrillation (AF)

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

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • Queen Mary Hospital

    Hong Kong, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.