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The successful treatment with ixekizumab in a multi-failure psoriasis patient
Abstract
We report a patient with severe psoriasis who failed to respond to phototherapy, conventional systemic treatment and four biologic agents (etanercept, ustekinumab, adalimumab and secukinumab). Combination of a higher-dose secukinumab regimen with phototherapy had no success. Remarkably, ixekizumab, an IL-17A inhibitor, provided almost complete psoriasis clearance after 24 weeks of treatment. The reason for the success of ixekizumab after the failure to respond to a biologic with same mechanism of action is still unknown. Interestingly, failure of secukinumab does not preclude future therapeutic success with a second IL-17A-inhibitor.