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Blood test could spare thousands from invasive TB diagnosis

NCT ID NCT07230457

Diagnosis Sponsor: Chinese 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 a new blood test that looks for TB DNA in the blood. It aims to see if it works as well as a bronchoscopy (a scope down the throat) to diagnose lung tuberculosis. 600 adults who need a bronchoscopy will give a blood sample for comparison. If successful, patients could get a faster, safer diagnosis without an invasive procedure.

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 600 people

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

Expected to start

Oct 2026

An estimate. Start dates often move.

Expected to finish

Jun 2029

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 clinical indications for undergoing bronchoscopy and BAL who meet the inclusion and exclusion criteria will be prospectively enrolled in consecutive sequences

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: * Aged 18 years or above * Presence of respiratory indication requiring bronchoscopy * Sputum AFB smear negative or unable to expectorate sputum for investigations Exclusion Criteria: * BALF collected but not sent for MTB PCR * History of PTB or EPTB * Concomitant use of at least two anti-TB medications for more than 14 consecutive days in the past 3 months * Repeated bronchoscopy in the same subject within the study period * Expected survival of less than 12 months from a different pathology * Use of unregistered therapeutic agents in the 30 days before the study * Consent not obtained from the subjects

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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 diagnosis

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

  • Prince of Wales Hospital

    Hong Kong, Hong Kong

More trials for these conditions

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