Overview Mechanism of Action Study for Psoriasis Status: Completed Trial end date: 2017-05-01 Target enrollment: Participant gender: Summary The objective of this study is to compare the mechanism of action between adalimumab and methotrexate in subjects with psoriasis. Phase: Phase 4 Details Lead Sponsor: Tufts Medical CenterTreatments: AdalimumabFolic AcidMethotrexate