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

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

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Key information

Conditions

Interstitialoma Endoscopic Surgery

Age range

18 year–80 year

Sex eligibility

All sexes

Study type

Observational

About this study

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

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

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.

Treatment and study plan

Extraluminal growing stromal tumors treated endoscopically

Procedure

To observe the safety and efficacy of endoscopic treatment of extraluminal growing stromal tumors

Primary outcomes

Complete resection rate

Time frame: 12 months

Complete resection rate of extraluminal growing stromal tumors

Secondary outcomes

Recurrence-free survival

Time frame: 12 months

Recurrence-free survival of extraluminal growing stromal tumors after surgery

Study contacts

Contact information is provided by the study sponsor or research team.

Ruihua Shi, Ph.D

CONTACT

[email protected]

13951799326

Sponsors and collaborators

Lead sponsor

Zhongda Hospital

Other

Registry information

Important dates

Study start: 2026
Primary completion: 2026
Study completion: 2026
First posted: Jan 13, 2026
Registry last updated: Jan 13, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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