Dermatology
Plaque Psoriasis
The Selection of Systemic Therapies for Plaque Psoriasis: Challenging Cases
Route of administration is a key factor when choosing between oral and injectable therapies for plaque psoriasis. Until recently, a strong preference for an oral option meant acknowledging a trade-off in efficacy compared with biologics. In selected clinical scenarios, particularly in patients with mild to moderate disease, the convenience and simplicity of a pill may outweigh the more modest efficacy of currently available oral therapies.
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That conversation may soon change with the anticipated availability of additional oral agents, including icotrokinra, zasocitinib, and envudeucitinib. Top-line data for the latter 2 were presented at the recent Maui Derm Hawaii 2026 meeting, while a network meta-analysis presented by April W. Armstrong, MD, MPH, suggested that icotrokinra performs on par with many of the newer biologics.
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Also at the meeting, I participated in a panel led by Bruce E. Strober, MD, PhD, on therapy selection and sequencing for different psoriasis clinical scenarios. The first case was a 45-year-old male patient with extensive body surface area involvement (ie, 42%) with no signs or symptoms of psoriatic arthritis. My copanelists recommended both IL-23 and IL-17 inhibitors as preferred first-line options, although I did give a slight nod to bimekizumab, given the depth and speed of response.
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The second case was a 45-year-old female patient with limited body surface area involvement (ie, 6%) but with predominantly scalp disease. She was systemic treatment naive without any notable comorbidities. The panelists unanimously agreed that IL-17 inhibitors would be the preferred option, although IL-23 inhibitors would be a reasonable second choice. There was also a discussion on using oral JAK inhibitors such as upadacitinib and tofacitinib, both of which are US Food and Drug Administration (FDA) approved for psoriatic arthritis, to treat refractory scalp psoriasis. A similar preference for IL-17 inhibitors was expressed for nail psoriasis.
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The third case discussed during Dr Strober’s presentation at Maui Derm Hawaii 2026 sparked the most debate among the panelists. The 45-year-old female patient had palmoplantar psoriasis limited to the palms. While there was consensus that biologics offer only modest efficacy and that oral JAK inhibitors provide the strongest efficacy in this subtype, opinions were more divided regarding other options, including methotrexate, acitretin, and apremilast.
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One of the final cases involved a patient with plaque psoriasis with significant skin involvement and mild psoriatic arthritis. Most panelists favored either an IL-17 or IL-23 inhibitor over other options, citing superior skin efficacy and favorable safety profiles. The key differentiator was the presence of axial disease, which would favor the use of an IL-17 inhibitor. Speed of response was also discussed, with IL-23 inhibitors generally taking longer to reach peak efficacy.
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The panel also briefly reviewed retrospective analyses from claims databases and registries suggesting a lower incidence of new-onset psoriatic arthritis among patients treated with IL-23 inhibitors compared with those treated with other classes. While intriguing, the panel agreed that these findings are best viewed as hypothesis generating, given the inherent limitations of such studies, and that longer prospective trials are needed for confirmation.
Armstrong A, Hashim M, Feghelm L, Yang YW, Disher T. Comparative analysis of icotrokinra and approved advanced treatments for achievement of completely clear skin in patients with moderate-to-severe psoriasis: a systematic literature review and network meta-analysis. Poster presented at: Maui Derm Hawaii 2026; January 25-29, 2026; Maui, HI.
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Armstrong AW, Gooderham M, Lynde C, et al. Tyrosine kinase 2 inhibition with zasocitinib (TAK-279) in psoriasis: a randomized clinical trial. JAMA Dermatol. 2024;160(10):1066-1074. doi:10.1001/jamadermatol.2024.2701
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Augustin M, Barker J, Conrad C, et al. Efficacy and safety of apremilast over 52 weeks in patients with plaque psoriasis in high-impact areas and impaired quality of life. Dermatol Ther (Heidelb). 2025;15(7):1915-1929. doi:10.1007/s13555-025-01389-z
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Blauvelt A, Jacobs S, Bukhalo M, et al. Envudeucitinib, a highly selective oral TYK2 inhibitor: 52-week phase 2 study results in moderate-to-severe plaque psoriasis. Poster presented at: Maui Derm Hawaii 2026; January 25-29, 2026; Maui, HI.
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Caso F, Saviano A, Marigliano N, et al. IL-17A in psoriatic arthritis: mechanistic insights, clinical implications, and advances in therapeutic strategies. Expert Rev Clin Immunol. 2025;21(8):1055-1071. doi:10.1080/1744666X.2025.2522950
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Choi B, Li HO, Glassman SJ. Palmoplantar plaque psoriasis responsive to upadacitinib: a report of two cases. SAGE Open Med Case Rep. 2025;13:2050313X251317763. doi:10.1177/2050313X251317763
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Gordon KB. Psoriasis: what’s new and what’s coming [session: Psoriasis update 2026 – interactive format]. Session presented at: Maui Derm Hawaii 2026; January 25-29, 2026; Maui, HI.
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Katz A, Kircik C, Lamb A, Armstrong A. INDIVIDUAL ARTICLE: evidence-based synthesis of deucravacitinib: long term efficacy, safety, and practical use in moderate-to-severe psoriasis. J Drugs Dermatol. 2026;25(2):70210s3-70210s10.
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Papp KA, Jacobs S, Sofen H, et al; Open-Label Extension Study Team. Safety and efficacy of envudeucitinib, a highly selective, oral allosteric TYK2 inhibitor, in patients with moderate-to-severe plaque psoriasis: results from the 52-week open-label extension period of the phase 2 STRIDE study. J Am Acad Dermatol. 2026;94(1):187-195. doi:10.1016/j.jaad.2025.10.005
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Spencer RK, Elhage KG, Jin JQ, et al. Apremilast in palmoplantar psoriasis and palmoplantar pustulosis: a systematic review and meta-analysis. Dermatol Ther (Heidelb). 2023;13(2):437-451. doi:10.1007/s13555-022-00877-w
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Strober B. Psoriasis rapid fire: clinical scenarios [session: Psoriasis update 2026 – interactive format]. Session presented at: Maui Derm Hawaii 2026; January 25-29, 2026; Maui, HI.
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Strober B, Stein-Gold L, Gordon K, Song J, Mease P. Psoriasis update 2026 – interactive format. Session presented at: Maui Derm Hawaii 2026; January 25-29, 2026; Maui, HI.
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