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Swallow a sponge to spot cancer early?

NCT ID NCT04214119

Diagnosis Sponsor: Johns Hopkins University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 is testing a simple, less invasive way to detect early signs of Barrett's esophagus, esophageal cancer, and stomach cancer. Participants swallow a capsule attached to a string, which expands into a sponge in the stomach to collect cell samples. Researchers then look for DNA changes (methylation) that could signal cancer or pre-cancer, aiming to improve early detection without a traditional scope.

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 2,500 people

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

Started

Jan 2016

Expected to finish

Dec 2028

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 scheduled for clinically indicated upper endoscopy will be approached to participate in this study.

Ages

18 years and older

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: * Undergoing esophagogastroduodenoscopy at Johns Hopkins Hospital from 1/2016 to 12/2025 * Age greater than 18 years * Patients must be able to swallow a capsule Exclusion Criteria: * Patients in either arm with extra-esophageal malignancies including head and neck and gastric cancer * Patients who have undergone esophagectomy * Patients who have undergone radiation to the chest * Patients who are younger than 18 * Patients with esophageal stents * Patients with esophageal strictures disabling passage of the capsule

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Conditions

The condition(s) this trial relates to.

Barrett esophagus carcinoma of esophagus esophageal cancer Esophageal Neoplasms gastric cancer gastric neoplasm

As listed by the trial registrant

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

Barrett esophagus Esophageal cancer Gastric cancer

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. 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

  • Bayview Medical Center

    RECRUITING

    Baltimore, Maryland, 21205, United States

  • Johns Hopkins Hospital

    RECRUITING

    Baltimore, Maryland, 21205, United States

More trials for these conditions

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