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Browse 2,042 clinical trials for asthma. Find studies that match your criteria and connect with research centers.
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NCT00920127
Obstructive airways disease is a very common condition. This condition includes patients with asthma, chronic obstructive pulmonary disease (COPD), emphysema or chronic bronchitis. Some patients with obstructive airways disease have problems with long term breathlessness, wheeze and cough with or without sputum production. Currently the researchers give treatments - usually inhalers - which are designed to open the airways and reduce the breathlessness and wheeze. Despite these available treatments many patients still have continuing symptoms. Anecdotal clinical evidence suggested that a herbal remedy (called AKL1) has beneficial effects in respiratory conditions, with patients diagnosed as having both asthma and COPD reporting reduced symptoms including breathlessness and cough and reduced frequency of attacks.The purpose of this study is to confirm whether AKL1 does indeed have a meaningful benefit to patients with obstructive airways disease. The researchers will mainly be measuring any effect of AKL by assessing any change in trial subjects' coughs, using a questionnaire, but the researchers will also looking at breathing tests, walking tests, blood and sputum tests.
NCT00983671
Background: in various pediatric pulmonary diseases such as asthma, cystic fibrosis or bronchopulmonary dysplasia an increased inflammation is present. Measuring this inflammation is often hardly possible and requires invasive techniques such as bronchoscopy. With the use of exhaled breath condensate (EBC) or exhaled breath (EB) analysis it is possible to measure the inflammation in an non-invasive way. However, there is a great need to further standardise these measurements and to identify possible confounding factors.