Endoscopic Phenotype of the J pouch in Patients with Ulcerative Colitis: A multi-center retrospective study in Japan

Endoscopic Phenotype of the J pouch in Patients with Ulcerative Colitis: A multi-center retrospective study in Japan - Endoscopic Phenotype of the J pouch in Patients with Ulcerative Colitis: A multi-center retrospective study in Japan

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000047795

Enrollment

2000

Registered

2022-06-15

Start date

2022-07-01

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

Ulcerative Colitis

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Ulcerative colitis patients with medically refractory disease or colitis-associated cancer who required total proctocolectomy with IAA (Ileoanal anastomosis) or IACA (Ileoanal canal anastomosis) between January 2000 and March 2020. Age of the included patients is 18 or more than 18 years old.

Exclusion criteria

Exclusion criteria: (1) Patients who were preoperatively diagnosed with Crohn's disease or indeterminate colitis (IBD unclassified) (2) Patients who did not perform pouchoscopies after ileostomy takedown

Design outcomes

Primary

Measure	Time frame
The frequency of chronic pouchitis and pouch failure	—

Secondary

Measure	Time frame
Acute pouchitis, Endoscopic phenotype in patients with acute or chronic pouchitis, Early endoscopic phenotype in patients with chronic pouchitis, co-relationship between clinical symptoms and endoscopic phenotype, and so on	—

Countries

Japan

Contacts

Public ContactShintaro Akiyama

University of Tsukuba Department of Gastroenterology, Faculty of Medicine

akiyama@md.tsukuba.ac.jp029-853-3218

Outcome results