The Lancet. Respiratory medicine
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Randomized Controlled Trial Multicenter Study Comparative Study
Once-daily indacaterol versus tiotropium for patients with severe chronic obstructive pulmonary disease (INVIGORATE): a randomised, blinded, parallel-group study.
We compared the efficacy and safety of indacaterol and tiotropium in patients with severe chronic obstructive pulmonary disease (COPD) and a history of at least one moderate to severe exacerbation in the previous 12 months. ⋯ Novartis Pharma AG.