Inhibition of interleukin-8 synthesis by intraarticular methotrexate therapy in patients with rheumatoid arthritis.

5 Patients with definite RA and knee effusions under constant doses of DMARD therapy were treated with up to 6 intraarticular injections of 10 mg methotrexate (MTX) every 3 to 7 days. A matched randomized control group who received a single i.a.