A cohort study investigating the risk of fibrosis in autoimmune alveolar proteinosis

A Multicenter Cohort Study to Identify Risk Factors for Fibrosis in Autoimmune Pulmonary Alveolar Proteinosis - A Multicenter Cohort Study to Identify Risk Factors for Fibrosis in Autoimmune Pulmonary Alveolar Proteinosis

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000061119

Enrollment

Registered

2026-04-01

Start date

2026-03-09

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

Autoimmune Pulmonary Alveolar Proteinosis

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Participants must meet all of the following criteria (1) through (3): 1) Patients with autoimmune alveolar proteinosis who participated in the PAGE trial 2) Patients for whom retrospective review of clinical data is possible at each participating institution 3) Patients currently receiving outpatient care at a participating institution who, after receiving a thorough explanation regarding participation in this study and demonstrating full understanding, have provided written informed consent of their own free will

Exclusion criteria

Exclusion criteria: Individuals who meet any of the following criteria: 1) Individuals who have expressed their refusal to participate in this study through the disclosure documents 2) Individuals whom the principal investigator deems unsuitable for other reasons

Design outcomes

Primary

Measure	Time frame
An Investigation into the Clinical Characteristics of Cases Presenting with Pulmonary Fibrosis	—

Countries

Japan

Contacts

Public ContactRyutaro Hirama

Chiba University Hospital Department of Respirology

ryu.154038@gmail.com043-222-7171

Outcome results