by Lori Solomon The U.S. Food and Drug Administration has approved Amgen’s Wezlana (ustekinumab-auub) as a biosimilar to and interchangeable with Stelara (ustekinumab) for multiple inflammatory diseases. The approval includes indications for adults with moderate-to-severe plaque psoriasis who are candidates for phototherapy or systemic therapy, active psoriatic arthritis, moderately to severely active Crohn disease, and...