Methotrexate Treatment of Arthritis Caused by Chikungunya Virus (MARCH)

Methotrexate is vibrant yellow-orange colored powder with physical properties of near insolubility in water formulated into methotrexate tablets containing an amount of methotrexate sodium equivalent to 2.5 mg of methotrexate and are round, convex, and yellow. The chemical name is N-\[4-\[\[(2,4-diamino-6pteridinyl)methyl\]methyl amino\]benzoyl\]-L-glutamic acid. Methotrexate is an anti-metabolite that is a folate antagonist that inhibits lymphocyte proliferation and functions as an immunosuppressant in arthritis.

Placebo