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1 study found for:    21636120 [PUBMED-IDS]
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Rank Status Study
1 Completed An Efficacy and Safety Evaluation of Tiotropium add-on Therapy in Patients With Severe Persistent Asthma
Condition: Asthma
Interventions: Drug: tiotropium;   Drug: placebo

Study has passed its completion date and status has not been verified in more than two years.