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Epidemiology and Clinical Endoscopic Features of Autoimmune Gastritis: A Retrospective Study Based on Xiamen Health Medical Big Data

Epidemiology and Clinical Endoscopic Features of Autoimmune Gastritis: A Retrospective Study Based on Xiamen Health Medical Big Data

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600119736
Enrollment
Unknown
Registered
2026-03-03
Start date
2026-03-03
Completion date
Unknown
Last updated
2026-03-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Autoimmune gastritis (AIG), also known as type A gastritis, was first defined by Strickland and others in relation to type B gastritis (mainly Helicobacter pylori-associated gastritis). It is an autoimmune disease mediated by CD4 T cells, characterized by atrophy of the gastric body mucosal glands, often accompanied by intestinal metaplasia and/or pseudopyloric metaplasia. Parietal cells in the st

Interventions

Observation group:None

Sponsors

Xiamen Haicang Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Endoscopic findings or histopathological findings or both meet the requirements of AIG; 2. Positive serum antibodies (PCA and/or IFA positive). Both conditions must be met for a confirmed diagnosis, and meeting only one indicates a suspected diagnosis.

Exclusion criteria

Exclusion criteria: 1.Cases that do not meet the inclusion criteria.

Design outcomes

Primary

MeasureTime frame
Patient case information;Serological test data;Endoscopic features and endoscopic comorbidities;

Countries

China

Contacts

Public ContactLi Linlin

Xiamen Haicang Hospital

colinjy2019@163.com+86 592 688 3850

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Mar 14, 2026