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Stomach cancer surgery under the microscope: new study maps hidden lymph nodes

NCT ID NCT06728878

Knowledge-focused Sponsor: Jichao Qin 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study is observing 150 people with stomach cancer who are having surgery to remove the stomach and nearby lymph nodes. The goal is to see how often cancer spreads to a specific group of lymph nodes near the stomach. The findings could help doctors decide exactly which lymph nodes to remove during surgery.

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 help standardize lymph node removal during gastric cancer surgery, potentially improving outcomes.
What could go wrong
This is an observational study, not a treatment trial. It may not lead to immediate changes in practice, and results may not apply to all patients.

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 150 people

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

Started

May 2024

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.

Who is studied

Patients who received total gastrectomy with D2 lymphadenectomy plus complete mesogastric excision. At the same time, the patients met the above inclusion and exclusion criteria.

Ages

18 to 85 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: 1. Aged older than 18 years and younger than 85 years 2. Primary gastric adenocarcinoma confirmed by preoperative pathology result 3. cT2-4aN0-3M0 at preoperative evaluation according to the American Joint 8 Committee on Cancer (AJCC) Cancer Staging Manual 8th Edition 4. Patients who received total gastrectomy with D2 lymphadenectomy plus complete mesogastric excision 5. American Society of Anesthesiologists (ASA) class I, II, or III 6. Written informed consent Exclusion Criteria: 1. Negative preoperative biopsy 2. Too late tumour stage or metastasis (cT4b/M1) 3. BMI\>30 kg/m2 4. previous neoadjuvant chemotherapy or radiotherapy 5. Previous upper abdominal surgery 6. Combined with other malignant diseases 7. Reject operation

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Conditions

The condition(s) this trial relates to.

gastric adenocarcinoma gastric cancer gastric neoplasm Lymphatic Metastasis

As listed by the trial registrant

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

Gastric cancers

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

  • Department of Gastrointestinal Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine

    RECRUITING

    Hangzhou, Zhejiang, 310000, China

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