Key PointsQuestionCan the psoriatic microenvironment (PME) score, a novel bioinformatic analysis of the psoriatic microenvironment, be used to predict if psoriasis will respond to a new treatment before a clinical response is seen? FindingsAnalysis of whole-genome mRNA expression in skin biopsies identified 2 different immune profiles that correlate with psoriatic lesional and nonlesional skin; with systemic treatment, the immune phenotype of psoriatic lesional skin reverted to a nonlesional pattern. The PME score is a bioinformatic metric that encompasses these changes and correlates with future clinical responses 8 weeks prior to apparent clinical differences. MeaningThe PME score may predict the therapeutic efficacy of systemic psoriasis therapies prior to apparent clinical changes and may serve as an example of personalized medicine.
JAMA Dermatology – American Medical Association
Published: Oct 2, 2020
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