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Browse 4,312 clinical trials for asthma. Find studies that match your criteria and connect with research centers.
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Showing 3701-3720 of 4,312 trials
NCT00046644
To elucidate the mechanisms underlying inter-patient variation in response to montelukast, a drug for asthma.
NCT02116491
BACKGROUND: The investigators developed a fiber-optic-guided endotracheal suction catheter (visual sputum suctioning system or VSSS), which the investigators previously tested in vitro and animals. It integrates a 0.9-mm micro-imaging fiber into a 3.7-mm double-lumen catheter. PURPOSE: The purpose of this study was to investigate the safety and efficacy of sputum suctioning system in mechanical ventilated patients in respiratory intensive care unit (RICU). The investigators compare the weight of secretions collected, vital signs, and tracheal wall injury between two groups of patients randomized to have VSSS combined with closed system suction (CSC) suction and patients having CSC suction alone. HYPOTHESIS: The investigators theorized that the VSSS collected more sputum and caused less change of vital signs than conventional CSC.
NCT00170248
Asthma is a health problem that afflicts many Canadians. Better methods are needed to provide primary care physicians with ways of implementing current guidelines into regular practice for optimal disease management. This study will test the benefits of providing computer-based decision-support for asthma to primary care physicians, with links to home monitoring for their patients. To add value and to ensure regular use for the physician for all of his/her patients, these computerized decision-support tools will be linked to an electronic prescribing and drug management system. The investigators will evaluate the effectiveness of the computer-based decision-support system by determining whether asthma patients of physicians who receive computer-assisted management tools have better disease control after 33 months of implementation compared to asthma patients of physicians who have the electronic prescription and drug management system alone. To answer this question, the investigators will conduct a cluster randomized controlled trial in a population of approximately 100 physicians in 40 clinics in Quebec, and a total of approximately 4500 of their patients with asthma.