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Submucosal Tunneling Endoscopic Resection (STER) of Large Upper GI Subepithelial Lesions: Experience from a large tertiary hospital in China

Submucosal Tunneling Endoscopic Resection (STER) of Large Upper GI Subepithelial Lesions: Experience from a large tertiary hospital in China

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600119412
Enrollment
Unknown
Registered
2026-02-26
Start date
2026-02-26
Completion date
Unknown
Last updated
2026-03-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Upper Gastrointestinal submucosal lesions

Interventions

STER group:None

Sponsors

Southern Medical University Southern Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1. Age >=18 years, male or female; 2. attended the Department of Gastroenterology, Nanfang Hospital, Southern Medical University between 2018-01 and 2025-06 and were diagnosed with large (>=3cm) upper gastrointestinal submucosal lesions (SELs) as confirmed by endoscopic and ultrasonographic findings; 3. No lymph node or distant metastasis confirmed by ultrasonographic endoscopy and abdominal CT or MRI before surgery; 4. have undergone endoscopic submucosal tunnel tumour resection (STER); 5. Voluntarily sign the informed consent form.

Exclusion criteria

Exclusion criteria: 1. those who are unable to tolerate the surgery due to severe cardiovascular and cerebrovascular diseases and other complications; 2. those who have had an acute coronary syndrome within the past 6 months 3. those with oesophageal stenosis or pyloric obstruction; 4. those with a history of malignant tumour of the upper gastrointestinal tract; 5. those with significant abnormalities in coagulation function; 6. Those who are pregnant or breastfeeding; 7. multiple submucosal tumours of the upper gastrointestinal tract.

Design outcomes

Primary

MeasureTime frame
Adverse event incidence rate;Procedural time;En bloc resection rate;

Countries

China

Contacts

Public ContactZelong Han

Southern Medical University Southern Hospital

hzl198886@163.com+86 189 2506 1960

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Mar 14, 2026