This experience includes 2 placebo-controlled studies (349 Enbrel patients and 152 placebo patients) and 2 active-controlled trials, one active-controlled trial comparing Enbrel to methotrexate (415 Enbrel patients and 217 methotrexate patients) and another active-controlled trial comparing Enbrel (223 patients), methotrexate (228 patients) and Enbrel in combination with methotrexate (231 patients).