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Your phone's mic could detect TB in seconds: new trial recruits 1,751

NCT ID NCT05317247

Diagnosis Sponsor: University of Stellenbosch Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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
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This status has not been confirmed recently, so it may be out of date.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 whether a smartphone app can tell the difference between a TB cough and other coughs by analyzing audio recordings. Researchers will collect cough sounds from 1,751 people with a cough lasting at least two weeks, then use machine learning to build a quick screening tool. The goal is to speed up TB detection and reduce the need for expensive lab tests, especially in areas with limited resources.

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 1,751 people

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

Started

Apr 2022

Expected to finish

Dec 2027

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

Patients with a cough of at least two weeks duration self-reporting to primary care clinics in Cape Town and Kampala, in areas with a high prevalence of TB.

Ages

12 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: * participant must be at least 12 years old * participant must have a prolonged cough (for at least two weeks) * participant must provide informed consent * participant shall have a known HIV status or be willing to undergo standard of care HIV testing and counseling Exclusion Criteria: * individuals who refuse informed consent * individuals who have received treatment for TB in the 60 days prior to enrolment * individuals who are unable to provide a sputum specimen for microbiological testing * individuals who have haemoptysis or a bloody cough with any forced coughs for audio recordings

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Conditions

The condition(s) this trial relates to.

pulmonary tuberculosis tuberculosis

As listed by the trial registrant

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

Tuberculosis

How to take part

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

  1. The places running it

    2 sites in 2 countries. 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

  • Makerere University

    RECRUITING

    Kampala, Kampala, 7062, Uganda

  • Stellenbosch University

    RECRUITING

    Cape Town, Western Cape, 7505, South Africa

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