- Participants who have a diagnosis of plaque-type psoriasis with or without psoriatic arthritis (PsA) for at least 6 months prior to first administration of study drug, with widespread lesions defined by Psoriasis Area and Severity Index score (PASI) greater than or equal to (>=) 12, Physician's Global Assessment (PGA) >=3, and involved body surface area (BSA) >=10 percent (%)