Verona Pharma plc's closely-watched chronic obstructive pulmonary disease (COPD) drug ensifentrine has made it over the line in the US, becoming the first inhaled product with a novel mechanism of action to be approved for the maintenance treatment of the respiratory disease in more than 20 years.
The drug, a first-in-class dual phosphodiesterase (PDE) 3/4 inhibitor which combines bronchodilator and non-steroidal anti-inflammatory effects in one molecule, will...





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