['plaque psoriasis']
['chs-1420', 'adalimumab']

        Inclusion Criteria:

          -  Male or female adults

          -  PsO diagnosis for 6 months

          -  Active disease: PASI greater than or equal to 12, Physician's Static Global Assessment
             (PSGA) score greater than or equal to 3 (based on a scale of 0-5),

          -  Body Surface Area (BSA) involved with PsO greater than or equal to 10%

        Exclusion Criteria:

          -  Forms of psoriasis other than PsO

          -  Drug induced psoriasis

          -  Positive QuantiFERON-tuberculosis (TB) Gold Test

          -  Presence of significant comorbid conditions

          -  Chemistry and hematology values outside protocol specified range

          -  Major systemic infections
      