A Comparative Study Between ABP 501 and Humira® in Participants With Moderate to Severe Plaque Psoriasis

Inclusion Criteria:

• Participants has moderate to severe plaque psoriasis (with or without psoriaticarthritis) for at least 6 months and has stable disease for at least 2 months
• Participants has a score of PASI ≥ 12, involvement of ≥ 10% body surface area (BSA)and static Physician's Global Assessment (sPGA) ≥ 3 at screening and at baseline
• Participant has no known history of latent or active tuberculosis

Exclusion Criteria:

• Participant has erythrodermic psoriasis, pustular psoriasis, guttate psoriasis,medication induced psoriasis, or other skin conditions at the time of screening (eg,eczema) that would interfere with evaluations of the effect of investigational productof psoriasis
• Participant has an active infection or history of infections
• Participant has received biologic treatment for psoriasis within the previous month or 5 drug half-lives (whichever is longer) prior to enrollment
• Participant has received nonbiologic systemic psoriasis therapy within 4 weeks priorto enrollment
• Participant has received ultraviolet (UV) A phototherapy (with or without psoralen) orexcimer laser within 4 weeks prior to enrollment, or UV B phototherapy within 2 weeksprior to enrollment
• Participant has received topical psoriasis treatment within 2 weeks prior toenrollment