Tag Archives: Black

Red flag upgrade for Pfizer: FDA limits Xeljanz in colitis, slaps black box on label

For Pfizer’s blockbuster immunology drug Xeljanz, an FDA safety communication has now turned into a boxed warning. And forget the drug’s approval as a first-line ulcerative colitis treatment, at least for now. In a new addition to Xeljanz’s label on Friday, the FDA is warning of an increased risk of blood clots—and potentially, death—with the JAK… Read More »