Disease severity criteria can significantly impact a psoriasis patient’s eligibility for treatment. While their disease may profoundly affect their quality of life, the current clinical definition of psoriasis severity is narrow. It does not account for the many potential challenges the disease may cause in a patient’s life.
In 2019, IPC began its disease severity reclassification project to redefine the criteria used for assessing disease severity that would better guide clinical decision-making to be more meaningful, practical, and better aligned with the actual severity of a patient’s disease.
This project seeks to challenge using the standard definitions of “mild, moderate, and severe” to determine treatment pathways. Through a robust Delphi process, IPC’s network of experts developed a consensus statement that redefines the criteria for patients who are candidates for systemic therapy. The statement is as follows:
Patients that meet one or more of the following criteria are candidates for systemic therapy:
Reclassification allows for more specific clinical severity criteria that guide clinical decision-making to be more practical, meaningful, and better aligned with the severity of a patient’s disease.
PUBLICATIONS AND RESEARCH
Below are resources from other organizations that support IPC’s recategorization of psoriasis severity.
Evolution of Patient Perceptions of Psoriatic Disease: Results from the Understanding Psoriatic Disease Leveraging Insights for Treatment (UPLIFT) Survey.
Lebwohl M, Langley RG, Paul C, Puíg L, Reich K, van de Kerkhof P, Wu HL, Richter S, Jardon S, Gisondi P.Dermatol Ther (Heidelb). 2022 Jan;12(1):61-78. doi: 10.1007/s13555-021-00635-4. Epub 2021 Oct 25.PMID: 34704231
The proportion of patients with at least a moderate effect of psoriasis on quality of life was greater among patients with involvement in at least one special area versus no special area involvement. In this international population study, the impact of the various special areas on quality of life is reported.
Impact of Psoriatic Disease on Quality of Life: Interim Results of a Global Survey
April Armstrong 1, Barbra Bohannan 2, Sicily Mburu 3, Ivette Alarcon 4, Torben Kasparek 4, Jihen Toumi 5, Susan Frade 4, Silvia Fernandez Barrio 6, Matthias Augustin 7 Dermatol Ther (Heidelb). 2022 Apr;12(4):1055-1064. doi: 10.1007/s13555-022-00695-0.Epub 2022 Mar 14.
The IPC disease severity recategorization is not a data-driven but a practice-driven categorization. To a large extent, psoriasis is a systemic disease that requires dermatologists to look more than skin deep. As systemic treatment for psoriasis may be indicated in patients with mild skin involvement suffering from systemic comorbidity, the holistic approach in the IPC definition is crucial.
VIDEOS AND PODCASTS
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Psoriasis Treat to Target: Defining Outcomes in Psoriasis