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New laser probe could spot stomach cancer earlier than biopsy

NCT ID NCT07507071

Diagnosis Sponsor: Changhai Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at whether a special microscope on a thin probe (pCLE) can better detect early stomach cancer than the usual biopsy method. Researchers will review past cases from 169 patients who had both tests. The goal is to see which method is more sensitive and accurate, which could lead to fewer missed cancers.

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 169 people

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

Expected to start

Mar 2026

An estimate. Start dates often move.

Expected to finish

Apr 2026

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

The study population primarily consisted of patients who had undergone both preoperative pathological biopsy and pCLE examination and then received endoscopic submucosal dissection (ESD) treatment. As both pathological biopsy and pCLE struggle to achieve a perfect diagnosis, this study employed the pathological diagnosis obtained via ESD surgery as the gold standard to compare the sensitivity, specificity, and accuracy of pathological biopsy and pCLE in diagnosing early gastric cancer.

Ages

18 to 75 years

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: * All patients aged 18-75 who underwent pCLE examination and received ESD treatmen. Exclusion Criteria: * lack of pre-ESD pathological biopsy results, and ESD pathology indicated advanced gastric cancer.

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Conditions

The condition(s) this trial relates to.

gastric neoplasm microinvasive gastric cancer

As listed by the trial registrant

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

Early 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

    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

  • The First Affiliated Hospital of Naval Medical University

    Shanghai, China

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