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In page Psoriasis:

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There is strong evidence to indicate that infliximab, bimekizumab, ixekizumab, and risankizumab are the most effective biologics for treating moderate to severe cases of psoriasis.[14] There is also some evidence to support use of secukinumab, brodalumab, guselkumab, certolizumab, and ustekinumab.[15][14] In general, anti-IL17, anti-IL12/23, anti-IL23, and anti-TNF alpha biologics were found to be more effective than traditional systemic treatments.[14] The immunologic pathways of psoriasis involve Th9, Th17, Th1 lymphocytes, and IL-22. The aforementioned biologic agents hinder different aspects of these pathways.[citation needed]