Filgotinib (GLPG0634/GS-6034), an oral JAK1 selective inhibitor, is effective in combination with methotrexate (MTX) in patients with active rheumatoid arthritis and insufficient r... by Westhovens, R, Taylor, P, Alten, R, Pavlova, D, Enriquez-Sosa, F, Mazur, M, Greenwald, M, Van der Aa, A, Vanhoutte, F, Tasset, C, Harrison, P