AbbVie recently announced positive results for upadacitinib, a small molecule Janus Kinase (JAK) inhibitor, in a phase 3 clinical trial of patients with rheumatoid arthritis (RA). According to AbbVie, upadacitinib met all primary and secondary endpoints in the study, including superiority versus adalimumab, the anti-TNFα antibody that Abbvie markets as…