Inclusion Criteria:  - Participants with stable moderate to severe plaque psoriasis of at least 6 months duration and who are candidates for systemic therapy or phototherapy.  Exclusion Criteria:  Primary non-responders to previous anti-IL-17 (e.g., secukinumab, ixekizumab, brodalumab), anti-IL-23 (e.g., guselkumab, tildrakizumab, risankizumab), or anti-IL-12/23 (e.g., ustekinumab) treatment for chronic plaque psoriasis. Diagnosis of erythrodermic psoriasis, generalized or localized pustular psoriasis, medication-induced or medication exacerbated psoriasis, or new onset guttate psoriasis or any other skin disease which may interfere with assessment of chronic plaque psoriasis.