Chronic obstructive pulmonary disease (COPD) Respiratory Chronic obstructive pulmonary disease (COPD)
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: For the primary analysis, the following inclusion criteria will apply: 1. A diagnosis of COPD, 2. Age 40-80 years, 3. Lung function (FEV180 years, OR 2. History of lung surgery OR 3. History of long term oxygen therapy OR 4. Evidence of drug/alcohol abuse OR 5. Substantial comorbidity For the analysis of people with mild COPD, the following criteria will apply: 1. COPD diagnosis 2. >60% predicted FEV1 (or >50% plus MRC score 1 or 2, or >50% plus CAT score <10) 3. A maximum of 1 exacerbation in the year post COPD diagnosis
Exclusion criteria
Exclusion criteria: For the primary analysis closely mirroring the TORCH study, exclusions are: 1. History of asthma 2. History of lung surgery 3. Requirement for long-term oxygen therapy 4. Diagnosed alpha-1 antitrypsin deficiency 5. Evidence of drug/alcohol abuse For the secondary anlayses: There are no exclusion criteria.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. COPD exacerbation rate will be determined using primary care electronic health records and linked hospital records, within three years of starting treatment 2. Mortality rate will be determined using primary care electronic health records and linked hospital records and linked office for national statistics mortality records, within three years of starting treatment 3. Pneumonia rate will be determined using primary care electronic health records and linked hospital records, within three years of starting treatment | — |
Secondary
| Measure | Time frame |
|---|---|
| Time to change in treatment for COPD will be determined using primary care electronic health records within three years of starting treatment | — |
Countries
England, United Kingdom