The purpose of this study is to compare subcutaneous Abatacept to placebo in the treatment of psoriatic arthritis
ASTRAEA=Active PSoriaTic ARthritis RAndomizEd TriAl
Ciudad Autonoma Beunos Aires, Buenos Aires, Argentina
San Fernando, Buenos Aires, Argentina
Rosario, Santa Fe Province, Argentina
San Miguel de Tucumán, Tucumán Province, Argentina
Buenos Aires, Argentina
Córdoba, Argentina