Loading...Loading...Elanco Animal Health Incorporated ELAN stock is tumbling as the company released updates to the expected FDA approval timelines for Zenrelia and Credelio Quattro.Zenrelia is a JAK Inhibitor that controls pruritus and atopic dermatitis in dogs.For Zenrelia, the FDA confirmed that all major technical sections (Effectiveness, Safety and Chemistry, Manufacturing, and Controls (CMC)) are complete as of late June.For the minor technical section for labeling, earlier this week, the company alig ...