A Study on the Safety and Effectiveness of Endoscopic Intracavitary Submucosal Dissection for Gastric Extracavitary-Type Submucosal Tumors

January 3, 2026 updated by: Ruihua Shi, Zhongda Hospital
The aim of this study is to explore the safety and efficacy of endoscopic surgery in the treatment of extraluminal growing stromal tumors

Study Overview

Status

Not yet recruiting

Conditions

Intervention / Treatment

Detailed Description

The aim of this study is to explore the safety and efficacy of endoscopic surgery in the treatment of extraluminal growing stromal tumors

Study Type

Observational

Enrollment (Estimated)

20

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

Patients with gastric stromal tumor with extraluminal growth

Description

Inclusion Criteria:

  • (1) CT scan showed extramural protrusion of the stomach (2) ultrasonic endoscopy revealed submucosal tumors with extra-gastric growth; (3) patients received ESD/EFTR or surgical treatment

Exclusion Criteria:

  • (1) patients had malignant tumors in the stomach or had undergone stomach surgery (2) follow-up records were incomplete.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Endoscopic-surgery Group
Patients with extraluminal growing stromal tumors undergoing endoscopic treatment
Procedure: Extraluminal growing stromal tumors treated endoscopically
To observe the safety and efficacy of endoscopic treatment of extraluminal growing stromal tumors

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Complete resection rate
Time Frame: 12 months
Complete resection rate of extraluminal growing stromal tumors
12 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Recurrence-free survival
Time Frame: 12 months
Recurrence-free survival of extraluminal growing stromal tumors after surgery
12 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Zhongda Hospital

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

January 1, 2026

Primary Completion (Estimated)

December 12, 2026

Study Completion (Estimated)

December 31, 2026

Study Registration Dates

First Submitted

January 3, 2026

First Submitted That Met QC Criteria

January 3, 2026

First Posted (Actual)

January 13, 2026

Study Record Updates

Last Update Posted (Actual)

January 13, 2026

Last Update Submitted That Met QC Criteria

January 3, 2026

Last Verified

January 1, 2026

More Information

Terms related to this study

Keywords

Other Study ID Numbers

  • GI of Zhongda Hospital

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

IPD Plan Description

Since this data may involve the privacy of patients, hospital ethics should be followed.

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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