Trial reportAllergy2026
Effect of Abrocitinib on the Skin Microbiome in Patients With Moderate-to-Severe Atopic Dermatitis.
Trial report in Allergy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03915496 (A PHASE 2A, RANDOMIZED, DOUBLE-BLIND, PLACEBO-CONTROLLED, PARALLEL GROUP, MULTI-CENTER STUDY TO INVESTIGATE THE MECHANISM OF ACTION OF ABROCITINIB MONOTHERAPY IN ADULT PARTICIPANTS WITH MODERATE-TO-SEVERE ATOPIC DERMATITIS), which is not on this map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
A phase 2a, randomized, double-blind, placebo-controlled, parallel group, multi-center study to investigate the mechanism of action of abrocitinib monotherapy in adult participants with moderate-to-severe atopic dermatitis
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
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Authors and funding
11 authors.
Funding
Abstract
backgroundAtopic dermatitis (AD) is characterized by microbial dysbiosis, notably an overabundance of Staphylococcus species. This study aimed to evaluate the effects of abrocitinib, a Janus kinase 1-selective inhibitor, on the skin microbiome and clinical outcomes in patients with moderate-to-severe AD.
methodsPatients enrolled in JADE MOA (NCT03915496) were randomly assigned to receive once-daily abrocitinib (100 or 200 mg) or placebo for 12 weeks. Skin swabs collected at baseline and Weeks 2, 4, and 12 underwent 16S rRNA gene amplicon sequencing to determine microbial composition. Disease severity was assessed at the same time points using established clinical metrics. Associations between microbial abundance and clinical metrics, as well as inflammatory and skin barrier markers, were investigated.
resultsData from 43 patients were included. Alpha diversity increased significantly at Week 12 of treatment with abrocitinib 200 mg. Beta diversity analysis revealed clustering of the abrocitinib groups away from placebo as early as Week 2; divergence continued through Week 12. Staphylococcus and S. aureus relative abundance decreased in a dose-dependent manner from Week 2 through Week 12 of abrocitinib treatment. Changes in skin microbial composition corresponded with improvements in clinical metrics of disease severity as well as immune markers of AD.
conclusionsAbrocitinib treatment is associated with beneficial changes in the skin microbiome, notably a reduction in S. aureus and increased microbial diversity. These findings provide insight into the mechanism of action of abrocitinib and the interplay of immunomodulation and the skin microbiome in AD.
trial registrationClinicalTrials.gov identifier: NCT03915496.
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