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Texting your doctor: a simple app could save lives after lung screening

NCT ID NCT07234929

Disease control Sponsor: Gia Dinh People Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 17, 2026 · Updated 2 times

Summary

This study tests whether using a chat-based mobile app (Zalo) can help people follow through with recommended tests after an abnormal chest X-ray read by AI. About 2,692 adults in Vietnam at risk for lung cancer or TB will be randomly assigned to receive either standard results or extra chat-based guidance and doctor access. The goal is to see if digital support boosts follow-up rates and speeds up diagnosis.

What this could mean

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

Active substance
chat-based mobile application (Zalo) for consultation and education
What this could lead to
If successful, this could provide a low-cost, scalable way to improve follow-up after lung disease screening, leading to earlier diagnosis and treatment of lung cancer and TB.
What could go wrong
This is a single-center trial in Vietnam, so results may not apply elsewhere. It relies on patients having a smartphone and Zalo account, and compliance is self-reported, which may be inaccurate.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 2,692 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

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.

Ages

40 to 62 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Individuals aged 40 to 62 years old and are still working * In risk population, which means they exposure at least 2 risk factors of lung cancer, following: * smoking * expose second-hand smoke * expose air pollution, bio-mass fuels * expose arsenic * expose radon * expose asbestos * having chronic pulmonary illness * having HIV * have family member's history of lung cancer (relatives within 3 generations) * Have mobile phone registered Zalo account Exclusion Criteria: * Individual smoked or had history of smoking more than 30 packs per year because they will be advised to do low dose CT scan. That is based on the guideline from Vietnam Misnitry of Health101 * Pregnant woman. It is for safety reason because research team will recommend the (+) cases or (-) cases with symptoms do LDCT or CT scan for lung cancer, that can affect the pregnancy. Therefore, if they are pregnant, research team will invite them to meet obstetricians. * History of lung cancer or TB * Who have problem in mental health is diagnosed by doctor.

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Conditions

The condition(s) this trial relates to.

lung cancer lung neoplasm Patient Compliance tuberculosis

As listed by the trial registrant

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

Artificial intelligence in radiology Chat-based mobile application Compliance behavior Lung cancer Tuberculosis (TB)

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

  • Nhan Dan Gia Dinh Hospital

    RECRUITING

    Ho Chi Minh City, Ho Chi Minh City, 700000, Vietnam

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