Traditional Chinese medicine to help prevent COPD in people at risk
Part of Lungs & breathing clinical trials.
This study tests a traditional Chinese herbal recipe (Bufei) to see if it can reduce the number of people who develop chronic obstructive pulmonary disease (COPD). It is for people who have a history of chronic cough, phlegm, or shortness of breath and certain risk factors like smoking.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are between 18 and 80 years old.
- You have at least one COPD risk factor, such as a history of smoking, exposure to dust or chemicals for a year or more, or indoor air pollution from things like smoke or fumes for a year or more.
- You have had symptoms like a cough, bringing up phlegm, or trouble breathing that have lasted for more than 3 months a year for at least 2 years.
- Your lung function test shows that your FEV1/FVC ratio is 70% or higher, but your FEV1 is less than 80% of what is expected for your age and height.
- You are not pregnant, planning to become pregnant, or breastfeeding.
- You do not have other major health problems like cancer, severe heart or brain disease, severe liver or kidney disease, or certain mental illnesses.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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