Verona Pharma has submitted a New Drug Application (NDA) to the US Food and Drug Administration (FDA) for approval of ensifentrine for the maintenance treatment of patients with chronic obstructive pulmonary disease (COPD). Ensifentrine is a selective dual inhibitor of the enzymes phosphodiesterase 3 and 4 combining bronchodilator and non-steroidal anti-inflammatory activities in one molecule. […]