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Outcomes of underwater endoscopic mucosal resection (UEMR) for neoplastic lesions on or near the scar

Outcomes of underwater endoscopic mucosal resection (UEMR) for neoplastic lesions on or near the scar - UEMR for scar lesion

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000051238
Enrollment
50
Registered
2023-06-02
Start date
2023-06-02
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Tumors of the duodenum or colon

Interventions

None listed

Sponsors

Osaka University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Neoplastic lesions of 2 cm or less in the duodenum and colon that meet either 1) or 2) and are expected to be difficult to resect due to severe fibrosis. 1) Residual or locally recurrent lesions after endoscopic treatment 2) Neoplastic lesions found at or near (within 1 cm) the site of a scar, such as a scar after endoscopic treatment, benign ulcer scar, or scar or anastomosis after surgical procedure

Exclusion criteria

Exclusion criteria: Patients with severe cardiopulmonary diseases. Patients whose enrollment or participation in this study seem difficult due to concomitant psychiatric disorders. Other patients that the physician judges inappropriate for the safe conduct of this study.

Design outcomes

Primary

MeasureTime frame
Proportion of residual or local recurrence in follow-up endoscopy

Secondary

MeasureTime frame
Complete resection rate Association of endoscopic resection results with disease or treatment factors Association of endoscopic resection or pathology results with local recurrence

Countries

Japan

Contacts

Public ContactYoshiki Tsujii

Osaka University Graduate School of Medicine Department of Gastroenterology and Hepatology

yoshikitsujii1977@gh.med.osaka-u.ac.jp+81--6-6879-3621

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026