New method of closing an artificial defect for a prevention of complications after rectal endoscopic submucosal dissection: Endoscopic ligation with O-ring closure

New method of closing an artificial defect for a prevention of complications after rectal endoscopic submucosal dissection: Endoscopic ligation with O-ring closure - New method of closing an artificial defect for a prevention of complications after rectal endoscopic submucosal dissection: Endoscopic ligation with O-ring closure

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000042497

Enrollment

Registered

2020-11-20

Start date

2020-07-09

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

rectal neoplasia

Interventions

To perform endoscopic ligation with O-ring closure for an artificial defect after rectal endoscopic submucosal dissection

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The patients that needed rectal endoscopic submucosal dissection like below 1)a tumor that en bloc resection is difficult by endoscopic mucosal resection like below LST-NG, especially pseudo-depressed type, the lesion that has a type of Vi pit pattern, shallow submucosal invasion, a large elevated lesion suspected cancer, 2)an intramural tumor with fibrosis of submucosal layer 3)a tumor caused by chronic inflammation such as ulcerative colitis 4)a residual tumor after endoscopic resection

Exclusion criteria

Exclusion criteria: a rectal tumor extending to anal canal over 10% of all

Design outcomes

Primary

Measure	Time frame
the bleeding rate after rectal endoscopic submucosal dissection	—

Secondary

Measure	Time frame
1)complete closure rate 2)delayed perforation rate 3)total closure time 4)Wound separation rate	—

Countries

Japan

Contacts

Public ContactNaoya Tada

Faculty of Medicine, Kagawa University Department of Gastroenterology and Neurology

n-tada@med.kagawa-u.ac.jp087-891-2156

Outcome results

None listed

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