We evaluated the therapeutic potential of methotrexate (MTX) in patien
ts with systemic lupus erythematosus (SLE). Their serious disease rule
d out further treatment with prednisone or prednisone plus cyclophosph
amide. Low dose oral MTX (5-10 mg/week) was added to the therapy (pred
nisone or prednisone plus cyclophosphamide) of 10 selected patients wi
th SLE. Eight of them showed marked improvement and we were able to ta
per prednisone and completely discontinue cyclophosphamide therapy. Ou
r results suggest that the use of oral MTX in low, weekly doses can be
useful as adjunctive therapy for selected cases of childhood SLE.