Exploratory research for the remaining clinical samples obtained from the subjects who participated in the TRACK study [Efficacy and safety of once-daily single-Inhaler TRiple (Trelegy Ellipta) therApy for Japanese with mild to moderate COPD in Kyushu] in Kurume University Hospital

Exploratory research for induced sputum obtained from the subjects with COPD who participated in the TRACK study in Kurume University Hospital - Exploratory research for induced sputum in COPD

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000046813

Enrollment

Registered

2022-02-15

Start date

2022-02-15

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

COPD

Interventions

Triple therapy LAMA/LABA combination therapy

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: COPD

Exclusion criteria

Exclusion criteria: severe and very severe

Design outcomes

Primary

Measure	Time frame
Comparison of induced sputum pre- and post-treatment between triple and LAMA/LABA combination therapy	—

Countries

Japan

Contacts

Public ContactTomotaka Kawayama

Kurume University School of Medicine Department of Medicine

i_rinri@kurume-u.ac.jp0942317560

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026