Background: Revefenacin (REV), a once-daily, long-acting muscarinic antagonist for nebulized inhalation, was recently approved for maintenance treatment of chronic obstructive pulmonary disease (COPD). We present post hoc efficacy and safety data from three phase 3 trials in patients with moderate to very severe COPD by patient subgroup (<65 y, 65–75 y, >75 y). Methods: This [...]