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Smartwatch 'Cough Counter' tested for accuracy

NCT ID NCT06775301

Diagnosis Sponsor: Hyfe Inc 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Updated 1 time

Summary

This study tested whether a smartwatch app called Hyfe can accurately count how often people cough. Researchers compared the app's cough counts to manual counts from audio recordings in 31 adults with various cough-related conditions. The goal is to see if the smartwatch can be a reliable tool for monitoring cough at home.

What this could mean

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

Active substance
Hyfe Cough Monitoring System (smartwatch app)
What this could lead to
If accurate, this could provide a simple, wearable way to track cough frequency at home, helping doctors monitor lung conditions more easily.
What could go wrong
This is a small, early-stage study with only 31 participants. The smartwatch may not count coughs accurately in all situations, and results may not apply to everyone with a cough.

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

31 people

The number who actually took part.

Started

Jan 2025

Finished

Aug 2025

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

Subjects residing in the United States who have problematic coughs due to a variety of etiologies who are willing and able to participate in a decentralized study

Ages

21 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 21 or older * Have problematic cough defined as an expressed concern about their cough * Able to collect 24 hour auditory recording * Reside in location without unusually high noise * Willing to wear watches for 24 hours * Fluent in English * Access to a device for video calls * Have an iPhone for download of the Hyfe Companion App * Accept the Hyfe Companion App Terms of Use and Privacy Policy Exclusion Criteria: * Ongoing relationship with any company making a cough monitor * Participation in a cough monitor device study in the past 6 months * Have privacy concerns * Inability to avoid unusually loud environments * Significant antitussive therapy changes in preceding week

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Conditions

The condition(s) this trial relates to.

bronchiectasis chronic obstructive pulmonary disease Cough COVID-19 pulmonary non-tuberculous mycobacterial infection respiratory tract infectious disorder tuberculosis

As listed by the trial registrant

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

Cough frequency

Contacts and locations

Locations

  • Hyfe. Inc

    Ottawa, Montana, K2B 6R1, Canada

More trials for these conditions

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