Is it better to add long-acting muscarinic antagonists or long-acting beta2-agonists to inhaled corticosteroids for people with uncontrolled asthma? | Cochrane

Differences between long-acting muscarinic antagonists (LAMA) and long-acting beta2-agonists (LABA) are mostly small or uncertain, based on studies less than six months in duration. The current evidence is not strong enough to support using LAMA instead of LABA for people whose asthma is not cont...