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Swallowable camera could replace endoscopy for esophagus screening

NCT ID NCT02947971

Diagnosis Sponsor: Massachusetts General 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study tests a new, compact imaging system that uses a tethered capsule to take detailed pictures of the esophagus. Researchers want to see if it is safe, easy to use, and produces good images in healthy people and those with Barrett's esophagus. The goal is to prepare for a larger trial that could lead to a more comfortable screening option.

What this could mean

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

Active substance
Tethered capsule endomicroscopy (imaging device)
What this could lead to
If successful, this could lead to a simpler, more comfortable way to screen for Barrett's esophagus, potentially replacing traditional endoscopy.
What could go wrong
This is an early pilot study focused on feasibility and safety, not on proving clinical benefit. The new device may not perform as well as standard endoscopy.

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 120 people

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

Started

Apr 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.

Ages

14 to 85 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: * A previous diagnosis of BE (not an inclusion criteria for healthy volunteers) * Participants 18 years and older with a previous diagnosis of GERD * Participants 14 years and older with a previous diagnosis of EoE (not an inclusion criteria for healthy volunteers) * Health participants over the age of 18 but less than 85 years of age * Participants must be able to give informed consent * Participants must have no solid food for 4 hours prior to the procedure, and only clear liquids for 2 hours prior to the procedure. Exclusion Criteria: * Participants over 85 years of age * Participants with the inability to swallow pills and capsules. * Participants with a strong gag reflex * Esophageal fistula and/or esophageal strictures with a stricture diameter that is smaller than the diameter of the capsule. * Participants who are pregnant. In case of women of child bearing age, we will ask them if they are pregnant and if unsure; ask them to take a pregnancy test.

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Conditions

The condition(s) this trial relates to.

Barrett esophagus

As listed by the trial registrant

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

Barrett's esophagus

How to take part

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

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    1 site. The list below names each one and where it is.

  3. 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 ↗

  4. 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

Study contacts

  • Contact

    Email: •••••@•••••

  • Contact

    Email: •••••@•••••

Locations

  • Massachusetts General hospital

    RECRUITING

    Boston, Massachusetts, 02114, United States

    Contact Email: •••••@•••••

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