Efficacy and safety of tiotropium and olodaterol in COPD: a systematic review and meta-analysis.

Long-acting bronchodilators are the cornerstone of pharmacologic treatment of COPD. The new combination of long-acting muscarinic antagonist (LAMA) tiotropium (TIO) and long acting beta-agonists (LABA) olodaterol (OLO) has been introduced as fist line therapy for COPD. This article analyses the evidence of efficacy and safety of the TIO/OLO combination.