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Find 365 clinical trials for asthma near Chicago, Illinois. Connect with research centers in your area.
Showing 321-340 of 365 trials
NCT01248065
The purpose of the study is to find out if taking vitamin D in addition to an asthma controller medication helps to prevent worsening of asthma symptoms and asthma attacks.
NCT00530166
The purpose of this study is to assess the effectiveness of JNJ-18054478 measured by the percent change from baseline in Forced Expiratory Volume in one Second (FEV1) after 12 weeks of therapy in patients with persistent asthma.