NEW YORK (Reuters Health)—Monotherapy with the JAK1-selective inhibitor upadacitinib is effective in patients with active rheumatoid arthritis who have an inadequate response to methotrexate, according to results from the SELECT-MONOTHERAPY phase 3 trial. As many as two-thirds of patients with rheumatoid arthritis receiving methotrexate monotherapy fail to achieve satisfactory disease control. Oral therapy with upadacitinib…