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Site and Mechanism(s) of Expiratory Airflow Limitation in COPD, Emphysema and Asthma-COPD Overlap

Recruitingn/aAges 30 Years - anyAllGelb, Arthur F., M.D.
NCT03263130 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

The purpose of this cross-sectional, observational study is to evaluate the site and mechanism(s) for expiratory airflow limitation in chronic, treated, current or former smokers (\>15 pack years) with COPD, Emphysema, and Asthma-COPD Overlap with mild to severe expiratory airflow limitation. Treatment may include short and long acting inhaled beta2agonists, short and long acting inhaled muscarinic receptor antagonists, inhaled and or oral corticosteroid, oral antibiotic, supplemental oxygen, and PDE type 4 inhibitor. In some cases, the patient may have had a history of asthma preceding the development of COPD (Asthma COPD Overlap).

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📋 Eligibility rules (as published)
Inclusion Criteria: * asthma- copd overlap * emphysema in smokers with smoking history \> 15 pack years * COPD/ bronchitis and bronchiectasis in smokers with smoking history * \>15 pack years Exclusion Criteria:other pulmonary or systemic diagnosis * non smokers * any other pulmonary diagnosis * pulmonary fibrosis
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What it tests

  • As above: diagnosis: COPD, Emphysema, Asthma-COPD Overlap
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Where

2 sites
Arthur F Gelb MD
Lakewood, United States
Arthur F Gelb MD
Lakewood, United States
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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