Its $639m acquisition of Vitae Pharmaceuticals Inc. at first glance seems to be an obvious buy for Allergan PLC, since dermatology is one of the company’s seven key therapeutic areas, but Vitae’s lead drug candidate could open the door to new inflammation and autoimmune disease programs adjacent to Allergan’s existing areas of interest.
Vitae’s lead drug candidate is the retinoic acid receptor-related orphan receptor gamma (RORγt) inhibitor VTP-43742, which is in Phase II...








