Is Xeljanz Pfizer?

Is Xeljanz Pfizer? Pfizer’s arthritis drug Xeljanz shows lifesaving benefits in hospitalized COVID-19 patients. Is Xeljanz a JAK inhibitor? Facts about Xeljanz/Xeljanz XR (tofacitinib), Olumiant (baricitinib), and Rinvoq (upadacitinib) These medicines are part of a class called Janus kinase (JAK) inhibitors and are used to treat certain serious, chronic, and Read more…