Cocrystal Pharma, Inc. announced the presentation of favorable data demonstrating activity of its potent broad-spectrum PB2 inhibitor CC-42344 against pandemic and seasonal influenza A strains at the World Vaccine Congress West Coast. Cocrystal has initiated a Phase 2a human challenge trial with oral CC-42344 in the UK in subjects infected with influenza A, and plans to begin a Phase 1 trial with inhaled CC-42344 as a potential influenza A treatment and prophylaxis in Australia in the first half of 2024.