Efficacy of underwater endoscopic mucosal resection for superficial nonampullary duodenal tumors (<=20 mm): a multicenter observational study

Efficacy of underwater endoscopic mucosal resection for superficial nonampullary duodenal tumors (<=20 mm): a multicenter observational study - D-UEMR Study

Status

Active, not recruiting

Phases

Phase 2

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000030414

Enrollment

150

Registered

2017-12-18

Start date

2018-03-03

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

duodenal tumor

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Nonampullary duodenal tumors less than 20mm in size endoscopically (adenoma or intramucosal cancer) Apart from papillae Within 2 lesions in 1 patient

Exclusion criteria

Exclusion criteria: Suspect of submucosal invasive cancer Patients with FAP or Lynch syndrome Patients with less than 1 year prognosis Patients who have been judged as in appropriate for this study

Design outcomes

Primary

Measure	Time frame
Complete resection rate(Recurrence rate 12 month after UEMR)	—

Secondary

Measure	Time frame
Resected lesion and specimen size En bloc resection rate R0 resection rate Procedure time Total procedure time Total amount of infusion water Adverse events rate	—

Countries

Japan

Contacts

Public ContactYasushi Yamasaki

Okayama University Hospital Department of Gastroenterology

yasshifive@yahoo.co.jp+81-86-235-7219

Outcome results