A prospective observational study aimed at elucidating the pathogenesis of IgG4-related disease

A prospective observational study aimed at elucidating the pathogenesis of IgG4-related disease - A prospective observational study aimed at elucidating the pathogenesis of IgG4-related disease

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000057749

Enrollment

Registered

2025-05-01

Start date

2022-11-14

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

IgG4-related disease

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients diagnosed with IgG4-related disease. Patients aged 18 years or older at the time of obtaining consent. Patients who have received a thorough explanation about participation in this study and have provided written consent voluntarily, either by themselves or through a legal representative.

Exclusion criteria

Exclusion criteria: Patients who do not provide consent for this study. Patients deemed unsuitable as research subjects by the principal investigator.

Design outcomes

Primary

Measure	Time frame
The relationship between IgG4-related disease and gut microbiota analysis.	—

Secondary

Measure	Time frame
Clinical, imaging, and pathological characteristics of IgG4-related gastrointestinal disease Changes in gut microbiota and various cytokines before and after steroid treatment in IgG4-related disease Relationship between the local microbiota of affected organs and gut microbiota in IgG4-related disease	—

Countries

Japan

Contacts

Public ContactYujiro Kawakami

Sapporo Medical University School of Medicine Department of Gastroenterology and Hepatology

yujiro-k@sapmed.ac.jp011-611-2111

Outcome results