Study of Patient With Frequent COPD Exacerbations
PRIORITY-COPD
Clinical and dEmographic chaRacteristics of Patients With Frequent COPD Exacerbations and Evaluation of Therapeutic Approaches in Treatment in RussiA
1 other identifier
observational
1,708
1 country
6
Brief Summary
This Study is a multicenter, non-interventional, observational, ambispective (retrospective-prospective) study to evaluate clinical and demographic characteristics, approaches to therapy in outpatients with COPD and frequent exacerbations in the Russian Federation. Planned number of Study site is 35 outpatient centers with experience of treatment of COPD with frequency exacerbations in about 30 regions in Russia.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Dec 2024
6 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
December 16, 2024
CompletedFirst Submitted
Initial submission to the registry
May 13, 2025
CompletedFirst Posted
Study publicly available on registry
October 29, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 30, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
June 30, 2026
June 2, 2026
May 1, 2026
1.5 years
May 13, 2025
June 1, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (17)
To describe the baseline Demographic data characterisics of outpatients with moderate and severe COPD.
Demographic data 1. Mean age at the inclusion into the study, and age groups (\<50; 50-65, \>65 years); 2. Mean age at the primary COPD diagnosis; 3. Proportion of men and women; 4. Proportion of patients with each educational status (higher, secondary special, secondary general) at inclusion; 5. Proportion of patients from each residential region of Russia;
52 weeks of retrospective data before visit 1
To describe the baseline Negative lifestyle factors characterisics of outpatients with moderate and severe COPD.
Negative lifestyle factors 6. Proportion of patients with negative lifestyle factors at inclusion (evaluated on Visit 1 based on patient's interview): a. Proportion of patients with history of smoking (former smoker)/current smokers - applicable for tobacco and e-cigarettes (vapes) smoking; d. Proportion of patients with overeating; e. Proportion of patient with physical inactivity.
52 weeks of retrospective data before visit 1
To describe the baseline Anthropometry data characterisics of outpatients with moderate and severe COPD.
Anthropometry data 7. Mean body mass index (BMI) at inclusion (in previous 52 weeks (the most recent available value) or evaluated on Visit 1);
52 weeks of retrospective data before visit 1
To describe the baseline COPD drug treatment duration in previous 52 weeks of outpatients with moderate and severe COPD.
9\. Proportion of patients receiving different classes of drugs for treatment of COPD during prior 52 weeks before inclusion. The following classes of drug or their combinations will be collected. The combinations may be prescribed as separate drugs or fixed combination (of ≥1 drug class in one medication): 1. SABA alone; 2. ICS alone 3. LABA alone 4. LAMA alone 5. LABA and LAMA 6. ICS and LABA 7. ICS and LAMA 8. LABA and LAMA plus: a) Macrolide antibiotics b) CS
52 weeks of retrospective data before visit 1
To describe the baseline Cardiovascular diseases of outpatients with moderate and severe COPD.
Cardiovascular diseases 10. Proportion of patients with cardiovascular diseases (heart failure; ischaemic heart disease; myocardial infarction; arrhythmia; stroke; arterial hypertension; peripheral arterial disease; diabetes mellitus (type I, type II); chronic kidney disease (CKD); pulmonary hypertension) at inclusion (diagnosed in medical documentation ever or identified on the Visit 1 via a patient interview);
52 weeks of retrospective data before visit 1
To describe the baseline other comorbidities of outpatients with moderate and severe COPD.
Other comorbidities 11. Proportion of patients with atrial fibrillation/flutter, ventricular arrhythmias, other arrhythmia (be calculated in patients with presence of arrhythmia before or on Visit 1); 18. Proportion of patients with different other comorbidities at inclusion (diagnosed in previous 52 weeks or on Visit 1).
52 weeks of retrospective data before visit 1
To describe the baseline Blood eosinophils count of outpatients with moderate and severe COPD.
Blood eosinophils count 19. Mean blood eosinophils count (cells/μl) at inclusion (in previous 52 weeks (the most recent available value) or evaluated on Visit 1); 20. Proportion of patients with different levels of blood eosinophils count at inclusion (in previous 52 weeks (the most recent available value) or evaluated on Visit 1): 1. \<150 cells/μl; 2. ≥150 cells/μl; 3. ≥300 cells/μl.
52 weeks of retrospective data before visit 1
To describe the baseline mean smoking index .
applicable for current/former tobacco smokers (pack-years)
52 weeks of retrospective data before visit 1
To describe the baseline mean duration of smoking
applicable for current/former e-cigarettes (vapes) smokers (years);
52 weeks of retrospective data before visit 1
To describe the Proportion of patients with overweight
determined as BMI ≥25 kg/m2 at inclusion (in previous 52 weeks (the most recent available value) or evaluated on Visit 1
52 weeks of retrospective data before visit 1
To describe the baseline dosages of COPD drug treatment in previous 52 weeks of outpatients with moderate and severe COPD.
Proportion of patients receiving different classes of drugs for treatment of COPD. The following classes of drug or their combinations will be collected. The combinations may be prescribed as separate drugs or fixed combination (of ≥1 drug class in one medication): 1. dosage SABA alone ; 2. dosage ICS alone 3. dosage LABA alone 4. dosage LAMA alone 5. dosage LABA and LAMA 6. dosage ICS and LABA 7. dosage ICS and LAMA 8. LABA and LAMA plus: a) dosage Macrolide antibiotics b) dosage CS
52 weeks of retrospective data before visit 1
To describe the baseline proportion of patients with heart failure of outpatients with moderate and severe COPD.
12\. Proportion of patients will be evaluated for each heart failure phenotype based on LVEF - HFrEF, HFmrEF, HFpEF (to be calculated in patients with presence of heart failure before or on Visit 1);
52 weeks of retrospective data before visit 1
To describe the baseline data of LVEF of patients with heart failure of outpatients with moderate and severe COPD.
13\. Mean and median value of LVEF, % (to be calculated in patients with presence of heart failure before or on Visit 1 and available data on LVEF based on echocardiography);
52 weeks of retrospective data before visit 1
To describe the baseline proportion of patients with each CKD stage - C1, C2, C3a, C3b, C4, C5 of outpatients with moderate and severe COPD.
14\. to be calculated in patients with presence of CKD before or on Visit 1.
52 weeks of retrospective data before visit 1
To describe the baseline mean office BP (SBP and DBP) measured at Visit 1 of outpatients with moderate and severe COPD.
15\. this parameter evaluated in total population and in patients with presence of AH before or on Visit 1)
52 weeks of retrospective data before visit 1
To describe the baseline proportion of patients with AH by distribution by AH stage (I, II, III), AH degree (1st, 2nd, 3rd) and risk category at Visit 1 of outpatients with moderate and severe COPD.
16\. to be evaluated in patients with presence of AH before or on Visit 1;
52 weeks of retrospective data before visit 1
To describe the baseline proportion of patients with various classes of medications used for treatment of CVD of outpatients with moderate and severe COPD.
17\. to be evaluated in patients with at least one cardiovascular disease
52 weeks of retrospective data before visit 1
Secondary Outcomes (28)
To describe the proportion of patients receiving different classes of drugs for treatment of COPD between V1 and V2
24 weeks after visit 1
To describe Healthcare resource utilization during 24-week prospective study follow-up compared to baseline period
24 weeks after visit 1
To describe changes of Mean forced expiratory volume during 24-week prospective study follow-up compared to baseline
24 weeks after visit 1
To describe Change in CAT score during 24-week prospective study follow-up compared to baseline
24 weeks after visit 1
To describe Newly occurred cardiovascular diseases and other comorbidities during 24-week prospective study follow-up
24 weeks after visit 1
- +23 more secondary outcomes
Eligibility Criteria
2000 adult patients with diagnosed moderate-to-severe COPD and ≥2 moderate or ≥1 severe exacerbations in previous 52 weeks despite two inhaled maintenance therapies (LABA/LAMA, ICS/LABA, ICS/LAMA) for at least 6 weeks prior to inclusion and are monitored and treated by pulmonologists or general practitioners
You may qualify if:
- Patients with diagnosed moderate-to-severe COPD (see comments below);
- ≥2 moderate or ≥1 severe COPD exacerbations in previous 52 weeks (see comments below);
You may not qualify if:
- COPD due to documented α-1 antitrypsin deficiency;
- A diagnosis of bronchiectasis, sarcoidosis, interstitial lung diseases, or idiopathic pulmonary fibrosis, exacerbation of bronchial asthma or any acute or chronic disease that, as deemed by Investigator, limits the ability of patients to participate in this study or could influence the interpretation of the results;
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- AstraZenecalead
Study Sites (6)
Research site
Ivanovo, Russia
Research site
Moscow, Russia
Research site "OOO Energy of health"
Saint Petersburg, Russia
Research site
Saint Petersburg, Russia
Research site
Voronezh, Russia
Research site
Yekaterinburg, Russia
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Design
- Study Type
- observational
- Observational Model
- CASE CONTROL
- Time Perspective
- OTHER
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
May 13, 2025
First Posted
October 29, 2025
Study Start
December 16, 2024
Primary Completion (Estimated)
June 30, 2026
Study Completion (Estimated)
June 30, 2026
Last Updated
June 2, 2026
Record last verified: 2026-05