Verona Pharma Plc has reported positive Phase 2 results for a dry powder inhaler formulation of ensifentrine, its candidate product for chronic obstructive pulmonary disease (COPD). Ensifentrine is a dual inhibitor of the intracellular enzymes phosphodiesterase 3 and 4 for moderate to severe COPD. It has been shown to act as both a bronchodilator and an anti-inflammatory agent.
