Eisai: Jyseleca (Filgotinib) Approved in Japan for Rheumatoid Arthritis

(Tokyo, Japan) regulatory approval of Jyseleca (filgotinib 200 mg and 100 mg tablets), a once-daily, oral, JAK1 preferential inhibitor for the treatment of rheumatoid arthritis (RA) in patients who have had an inadequate response to conventional therapies, including the prevention of structural joint damage.