A multi-institutional prospective observational study of the efficacy and safety of under-gel EMR (UGEMR) for superficial duodenal tumor

A multi-institutional prospective observational study of the efficacy and safety of under-gel EMR (UGEMR) for superficial duodenal tumor - A multi-institutional prospective observational study of the efficacy and safety of under-gel EMR (UGEMR) for superficial duodenal tumor

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000045399

Enrollment

Registered

2021-09-07

Start date

2021-09-02

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

superficial duodenal tumor

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with superficial duodenal tumors indicated for EMR.

Exclusion criteria

Exclusion criteria: 1) Patients whose lesions extent to papilla of Vater. 2) Patients whose lesions are 20 mm or more. 3) Patients whose lesions are endoscopically suspected of submucosal invasion. 4) Patients with residual or recurrent lesions after endoscopic resection. 5) Patients with familial adenomatous polyposis or Lynch syndrome. 6) Patients with bleeding tendency. 7) Patients who are judged by attending doctors as not suitable for this trial.

Design outcomes

Primary

Measure	Time frame
The rate of R0 resection	—

Secondary

Measure	Time frame
The rate of bleeding The rate of perforation The rate of en bloc resection The rate of recurrence procedure time The usage amount of gel	—

Countries

Japan

Contacts

Public ContactNakaoka Michiko

Omori Red Cross Hospital Gastroenterology

michiko_cinnamon@ybb.ne.jp+81-3-3775-3111

Outcome results