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Bronchodilator Reversibility and Clinical Outcomes in COPD Patients

Bronchodilator Reversibility and Clinical Outcomes in COPD Patients

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
TCTR
Registry ID
TCTR20210322006
Enrollment
150
Registered
2021-03-22
Start date
2020-06-01
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

COPD COPD

Interventions

All COPD patients aged 40 years or more with confirmed diagnosis by spirometry
Other
COPD patients

Sponsors

Faculty of Medicine, Thammasat University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
40 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. COPD patients aged 40 years or more, 2. Smoking history 10 pack-years or more

Exclusion criteria

Exclusion criteria: 1. History of COPD exacerbation within 3 months, 2. Other lung diseases other than COPD eg. lung fibrosis, bronchiectasis, 3. Inability to perform spirometry, 4. Tracheostomy or treated with home mechanical ventilation, 5. Inability to walk, 6. Asthma-COPD overlap, 7. History of systemic steroid treatment within 6 weeks

Design outcomes

Primary

MeasureTime frame
Prevalence of bronchodilator reversibility At the beginning of study Percent

Secondary

MeasureTime frame
Rate of COPD exacerbation At the end of study Numbers/1000 patient-years,Rate of COPD hospitalization At the end of study Numbers/1000 patient-years,Dyspnea score At the beginning of study mMRC and CAT (points),6-minute walking distance At the beginning of study meters

Countries

Thailand

Contacts

Public ContactNarongkorn Saiphoklang

Faculty of Medicine, Thammasat University

M_narongkorn@hotmail.com029269794

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026