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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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Showing 261-280 of 2,042 trials
NCT05757583
This is a single-center study of 80 subjects with asthma including those with obesity and metabolic dysfunction (MD), those with obesity and without metabolic dysfunction, those with severe asthma and mucus plugging and those with severe asthma and without mucus plugging. Screening data will be reviewed to determine participant eligibility. Participants who meet all inclusion criteria will participate in a cardiopulmonary exercise testing (CPET) visit to compare lung function markers and change in oxygen saturation between obese patients with and without MD and severe asthma patients with and without mucus plugging.
NCT01759186
The investigators will study the biologic and chemical differences that cause the greater incidence, and severity of asthma in women as compared to men. Severe asthma affects boys more than girls, while severe asthma in adults is predominantly a disease of women. The investigators aim to identify the processes that occur in the body that are behind the onset of severe asthma in young women during the teenage years, and the resolution of severe asthma in boys. To further evaluate gender influences on asthma, asthmatic women at different stages of their menstrual cycle (period) will be also studied. The investigators aim to use biomarkers to develop testing procedures that will identify different types or characteristics of asthma in men and women; and to follow patients over time to uncover relevant clinical outcomes of biomarkers. The investigators anticipate that they will 1) develop clinically relevant tests to identify unique types or characteristics of asthma and severe asthma; 2) determine outcomes over time of biochemically-defined types of asthma; and 3) identify the reasons for why adult women are affected more than men with severe asthma.