Chronic bronchitis
Clinical trials for Chronic bronchitis explained in plain language.
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COPD patients may breathe easier by switching to heated tobacco
Symptom relief OngoingThis study looks at whether people with COPD and chronic bronchitis who switch from regular cigarettes to a tobacco heating system feel better and breathe easier. About 290 adults aged 40 and older who have smoked for at least 10 years will take part. Researchers will measure cou…
Matched conditions: CHRONIC BRONCHITIS
Sponsor: Philip Morris Products S.A. • Aim: Symptom relief
Last updated Sep 02, 2026 00:00 UTC
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Massive COPD study aims to unlock secrets of lung disease
Knowledge-focused OngoingThis study follows nearly 3,000 people with COPD (a chronic lung disease) over several years to understand how the disease progresses and what factors influence it. Researchers measure lung function, analyze mucus, and track environmental exposures like air pollution. The goal is…
Matched conditions: CHRONIC BRONCHITIS
Sponsor: University of North Carolina, Chapel Hill • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:57 UTC