A Study to Investigate Efficacy and Safety of KBL697 in Patients with Moderate Plaque Type Psoriasis

Inclusion Criteria: * Male or female, aged 18 to 75 years (inclusive) * Have a diagnosis of plaque type psoriasis for ≥ 6 months * Must have chronic plaque type psoriasis of moderate severity * All subjects must agree and commit to the use of a reliable contraceptive regimen. Exclusion Criteria: * Current diagnosis of forms of psoriasis other than chronic plaque type only * Drug-induced psoriasis * Other inflammatory skin disease that may confound the evaluation of plaque psoriasis * Failed 2 or more systemic treatments for plaque psoriasis * Medicinal shampoos that contain tar and/or salicylic acid within 2 weeks prior to Baseline Visit