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Specimen suction retrieval success rate of conventional endoscopic mucosal resection (CEMR) VS under water endoscopic mucosal resection (UEMR) : Randomized controlled trial

Specimen suction retrieval success rate of conventional endoscopic mucosal resection (CEMR) VS under water endoscopic mucosal resection (UEMR) : Randomized controlled trial - Specimen suction retrieval success rate of CEMR VS UEMR: RCT

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000056830
Enrollment
82
Registered
2025-04-01
Start date
2025-02-01
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

Colorectal polyp

Interventions

UEMR CEMR

Sponsors

Fukushima Medical University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Among patients scheduled to be treated for colorectal polyps by endoscopic resection at our hospital, patients who meet the following inclusion criteria and do not meet the exclusion criteria will be registered and included in the study. 1) Patients with colorectal polyps measuring 6 mm or more but less than 15 mm 2) Tumorous or non-tumorous polyps are both acceptable 3) Patients who wish to be treated by endoscopic resection of polyps 4) Patients are received a written explanation of the contents of the study and has consented to the contents.

Exclusion criteria

Exclusion criteria: 1) Patients with gastrointestinal bleeding 2) Patients with serious comorbidities 3) Patients with inflammatory bowel disease 4) Patients with a history of colectomy (excluding appendectomy) 5) Patients with a score of 0 or 1 in at least one of the four segments (right colon, transverse colon, and left colon) as assessed using the Boston Bowel Preparation Scale (0-3) 6) Cases where colonoscopy insertion is difficult 7) Patients with gastrointestinal polyposis (both genetic and non-genetic)

Design outcomes

Primary

MeasureTime frame
The success rate of suction retrieval of specimens after endoscopic resection. Successful aspiration is defined as "a specimen that has no macroscopic damage and can tolerate pathological evaluation" and "a specimen that can be suctioned from the suction port of the endoscope".

Countries

Japan

Contacts

Public ContactTAKAYUKI NAGAHASHI

Fukushima Medical University Department of Minimally Invasive Surgical and Medical Oncology

naga125@fmu.ac.jp0245471111

Outcome results

None listed

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