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

NCT07337980 | Not Yet Recruiting

• 1 other identifier: GI of Zhongda Hospital
• Study Type: observational
• Target: 20
• Locations: 0 countries
• Sites: N/A

Brief Summary

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

Conditions

Interstitialoma; Endoscopic Surgery

Keywords

endoscopic surgery; interstitialoma

Outcome Measures

Primary Outcomes (1)

• Complete resection rate

  Complete resection rate of extraluminal growing stromal tumors

  12 months

Secondary Outcomes (1)

• Recurrence-free survival

  12 months

Study Arms (1)

Endoscopic-surgery Group

Patients with extraluminal growing stromal tumors undergoing endoscopic treatment

Procedure: Extraluminal growing stromal tumors treated endoscopically

Interventions

Extraluminal growing stromal tumors treated endoscopically PROCEDURE

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

Endoscopic-surgery Group

Eligibility Criteria

• Age: 18 Years - 80 Years
• Sex: all
• Healthy Volunteers: No
• Age Groups: Adult (18-64), Older Adult (65+)
• Sampling Method: Non-Probability Sample

Study Population

Patients with gastric stromal tumor with extraluminal growth

You may qualify if:

• (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

You may not qualify if:

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

Sponsors & Collaborators

• Zhongda Hospital: lead

Central Study Contacts

Ruihua Shi, Ph.D

CONTACT

13951799326; ruihuashi@126.com

Study Design

• Study Type: observational
• Observational Model: COHORT
• Time Perspective: PROSPECTIVE
• Target Duration: 12 Months
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Professor

Study Record Dates

• First Submitted: January 3, 2026
• First Posted: January 13, 2026
• Study Start: January 1, 2026
• Primary Completion (Estimated): December 12, 2026
• Study Completion (Estimated): December 31, 2026
• Last Updated: January 13, 2026

Record last verified: 2026-01