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Effect of Positive Airway Pressure on Reducing Airway Reactivity in Patients with Asthma
Asthma patients who do not smoke and have been using medication for at least a year are needed to take part in a research study at the Duke Clinical Research Unit. (REF# 34572)

Long-Acting Beta Agonist Step Down Study (LASST)
Males and females, age 12 years and older are needed to participate in a research study to evaluate the optimal treatment strategy for reducing therapy in people with asthma. (REF# Pro00034544)