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Breath test and scope combo may spot stomach cancer risk

NCT ID NCT06408220

Knowledge-focused Sponsor: City of Hope Medical Center Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 pilot study is testing whether a combination of a breath test for H. pylori bacteria, questionnaires, and an upper endoscopy can identify people at high risk for stomach cancer. The study will enroll 240 racial minority adults aged 40-80. The goal is to see if this screening approach is practical and can flag enough high-risk individuals to be useful.

What this could mean

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

What this could lead to
If successful, this could show that simple tests like breath tests and questionnaires help find people at high risk for stomach cancer, leading to earlier detection.
What could go wrong
This is a small pilot study (240 people) focused on feasibility, not on proving that screening saves lives. It may not work in larger, more diverse groups.

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 240 people

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

Started

Jun 2024

Expected to finish

Oct 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.

Ages

40 to 80 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: * Documented informed consent of the participant and/or legally authorized representative * Assent, when appropriate, will be obtained per institutional guidelines * Age: ≥ 40 years to ≤ 80 years * Identify as a racial minority either Asian, Hispanic, or Black American * Willingness to: * Provide blood samples and undergo upper endoscopy Exclusion Criteria: * Identify as Non-Hispanic White * History of gastric cancer * Known premalignant lesions of the stomach * History of upper endoscopy within 2 years * Women of childbearing potential: Pregnant/ nursing * An employee who is under the direct/indirect supervision of the principal investigator (PI)/a coinvestigator/the study manager * A direct study team member

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Conditions

The condition(s) this trial relates to.

gastric carcinoma gastric neoplasm gastric cancer prevention target

As listed by the trial registrant

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

Gastric carcinoma

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

  • City of Hope Medical Center

    RECRUITING

    Duarte, California, 91010, United States

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