View clinical trials related to Asthma.
Filter by:To identify risk factors for work disability among adults with asthma treated by pulmonary and allergy specialists.
To determine the effects in early adulthood of asthma, increased bronchial responsiveness, markers of allergy and smoking on pulmonary function level and the effects of these same risk factors on subsequent decline in pulmonary function, because these early adult factors presumably profoundly influence the risk for chronic obstructive pulmonary disease.
To examine the role of family processes in asthma regulation in three groups of children with mild to moderate asthma.
To provide information necessary for the development of standards for peak expiratory flow (PEF) test performance in populations studies.
To investigate the genetics of asthma by reexamining a carefully characterized population of patients with asthma, and by studying their families.
To determine whether airway inflammation secondary to inhalation of specific allergens and other environmental agents and functional imbalance of the autonomic nervous system played important roles in asthma and chronic bronchitis.
To provide information on morbidity and health care utilization for asthma for a large, well-defined population over a 20 year period.
To prospectively identify factors that influence the rate of decline in pulmonary function and to identify predictors of chronic obstructive lung disease (COLD) and asthma in a population sample of older adults.
To identify risk factors which predispose individuals to develop asthma and other manifestations of allergic disease on exposure to laboratory animals in the workplace.
From 1981 to 1991, to characterize the role of allergy and airways responsiveness in modifying growth of lung function in children and young adults in a community-based random population, the Childhood Respiratory Study in East Boston. From 1992 to 1997, to examine the relationship of respiratory symptoms and illnesses, cigarette smoking, airways responsiveness, and markers of inflammation to growth and decline in lung function in two well-characterized and investigated community-based populations of children and adults, the Childhood Respiratory Study in East Boston and the Normative Aging Study.