The U.S. Food and Drug Administration (FDA) approved Xeljanz and Xeljanz XR on November 6, 2012, and February 23, 2016, respectively. Both drugs are made by Pfizer, Inc. and were approved to treat moderate to severe active rheumatoid arthritis. Rheumatoid arthritis (RA) is the most […]
Nov 21, 2017
By Jessica Hoerman