Janus kinase 1 and 2 inhibitors (jakinibs) have been approved for the treatment of rheumatoid arthritis, psoriatic arthritis and, most recently, juvenile idiopathic arthritis. They have also shown promise in the treatment of interferon (IFN) mediated diseases. The Janus kinase and signal transducer and activator of transcription (JAK/STAT) pathway is the principal signaling pathway for…