Top-line data from the second of six Phase III studies of AbbVie Inc.'s investigational oral JAK1-selective inhibitor, upadacitinib (ABT-494), SELECT-BEYOND, show that it hit its endpoints in patients with moderate to severe rheumatoid arthritis who had not responded to, or were intolerant of, biological disease-modifying antirheumatic drugs (bDMARDs).
However, reports of two deaths in the study in patients receiving the drug – one from pulmonary embolism – plus a second (non-fatal) PE case have raised