 LONDON and RALEIGH, N.C., April 23, 2021 GLOBE NEWSWIRE -- Verona Pharma plc Nasdaq: VRNA Verona Pharma, a clinical-stage biopharmaceutical company focused on respiratory diseases, announces data from a pilot study of a pressurized metered-dose inhaler pMDI formulation of ensifentrine showed that ensifentrine was safe and well tolerated in patients infected with SARS-CoV-2, the virus that causes COVID-19. The trial was not designed or sized to demonstrate clinical efficacy and no clinical efficacy benefit with ensifentrine treatment added on to standard of care was observed in the trial. One patient death was reported in the ensifentrine treatment group. 