What is tofajak? Understanding the JAK Inhibitor Drug
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3 min read
Originally approved by the FDA in 2012, tofacitinib, also known by the brand name Xeljanz, is a Janus kinase (JAK) inhibitor used to treat various autoimmune conditions. What is tofajak? 'Tofajak' is an alternative brand name for the active ingredient tofacitinib, particularly referenced in some markets for the treatment of inflammatory diseases.