Clinical Significance of ROSE-defined Bronchiectasis in Japanese Patients with Chronic Obstructive Pulmonary Disease: A Single-centre Retrospective Cohort Study

Clinical Significance of ROSE-defined Bronchiectasis in Japanese Patients with Chronic Obstructive Pulmonary Disease: A Single-centre Retrospective Cohort Study - Significance of the ROSE Criteria in Japanese Patients with COPD

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000060502

Enrollment

300

Registered

2026-04-01

Start date

2016-04-01

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

Chronic Obstructive Pulmonary Disease

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) chronic respiratory symptoms consistent with COPD (such as dyspnoea, cough, sputum production, or a history of exacerbations); (2) a relevant exposure history, including cigarette smoking; and (3) confirmation of persistent airflow limitation, defined as a post-bronchodilator forced expiratory volume in 1 s (FEV1)/forced vital capacity (FVC) ratio of <0.7 on spirometry.

Exclusion criteria

Exclusion criteria: (1) age <18 years, (2) concurrent interstitial lung disease to rule out traction BE, and (3) visits primarily for lung cancer treatment to avoid confounding effects on prognosis.

Design outcomes

Primary

Measure	Time frame
The time to the first COPD exacerbation	—

Countries

Japan

Contacts

Public ContactKazuki Hashimoto

National Hospital Organization, Osaka Toneyama Medical Center Department of Respiratory Medicine

k.hashimoto@imed3.med.osaka-u.ac.jp06-6853-2001

Outcome results