April W. Armstrong, MD, MPH - Understanding TYK2’s Role in Psoriasis Pathogenesis and Taking a Practical Approach to Realizing Its Potential in the Clinic - a podcast by PVI, PeerView Institute for Medical Education

Go online to PeerView.com/XMX860 to view the activity, download slides and practice aids, and complete the post-test to earn credit. Psoriasis, a chronic inflammatory disease that affects up to 1 in 20 people worldwide, can drastically impact a patient's quality of life and health. The number of therapies for patients with moderate-to-severe psoriasis has grown steadily over the past 2 decades. Biologic immunotherapies have been the primary agents to gain approval, while small-molecule therapies have lagged in development. Deucravacitinib is a newly approved oral small molecule that inhibits the activity of TYK2, a member of the JAK family. Deucravacitinib allosterically inhibits TYK2 activity by binding to the regulatory domain rather than the catalytic domain. Binding in this way gives deucravacitinib greater specificity for TYK2 versus the closely related JAK1/2/3. Deucravacitinib has demonstrated safety and efficacy in moderate-to-severe chronic plaque psoriasis in two phase 3 pivotal trials (POETYK PSO-1 and PSO-2). Psoriasis Area Severity Index (PASI) 75 and static Physician's Global Assessment (sPGA) 0/1 response rates were significantly higher with deucravacitinib versus placebo or apremilast. In this activity, based on a recent live symposium, expert faculty discuss the clinical implications of targeting TYK2 in psoriasis, as well as strategies to identify patients for whom inhibition of TYK2 would be an appropriate treatment option based on available data. In addition, the faculty delve into the importance of shared decision-making in formulating personalized management plans for patients with psoriasis. Upon completion of this activity, participants should be better able to: Describe the pathophysiology of moderate-to-severe psoriasis as it relates to selective targeting of TYK2; Identify patients with psoriasis for whom inhibition of TYK2 would be an appropriate treatment option based on available efficacy and safety data and practice guidelines; and Develop personalized management plans for patients with psoriasis using principles and tools of shared decision-making, empowering patients to participate in treatment decisions and remain adherent to therapies

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