Playing it Safe with RA? JAK vs. TNF Debate The ORAL surveillance trial raised safety concerns that the janus kinase inhibitor (JAKi) tofacitinib was associated with an increased incidence of cancer and major adverse cardiovascular events (MACE), compared to tumor necrosis… https://t.co/sUSdRKRxEF https://t.co/XcjOqGlLVX