Trial reportAllergy2026
Clinical and Molecular Effect of the Anti-IL-18 Antibody Aletekitug in Adults With 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. Not yet cited in PubMed.
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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.
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Authors and funding
33 authors.
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Abstract
backgroundInterleukin-18 (IL-18) is a pleiotropic cytokine implicated in atopic dermatitis (AD), affecting both type (T)1 and T2 immune pathways. An anti-IL-18 monoclonal antibody, aletekitug, was evaluated for its clinical and molecular effects in patients with moderate to severe AD.
methodsThis randomised, double-blind, parallel-group, placebo-controlled, 24-week study assessed adults with moderate-to-severe AD who were biologic-naïve or dupilumab-inadequate responders/intolerant. Participants received a single intravenous (IV) infusion of aletekitug 2 mg/kg or placebo. The primary endpoint was percentage change from baseline (PCFB) in Eczema Area and Severity Index (EASI) score at Week 12. Other endpoints included safety, patient-reported outcomes (PROs) and transcriptomics.
resultsThirty-four participants (aletekitug, n = 23; placebo, n = 11) were randomised. A greater reduction in the PCFB in EASI score at Week 12 was demonstrated for patients who received aletekitug versus placebo (posterior median PCFB [95% credible intervals]: aletekitug, -68.3% [-79.68, -56.68]; placebo, -32.9% [-45.74, -21.10]), with effects still apparent at Week 24. Aletekitug improved PRO measures of itch, sleep disturbance, fatigue and quality of life versus placebo up to Week 24. Transcriptome analysis suggested aletekitug modulated lesional skin towards a non-lesional profile and exerted broad immunomodulatory effects, impacting several AD-associated signalling pathways, not limited to T2 immunity. Aletekitug was well tolerated, with no serious adverse events reported.
conclusionA single 2 mg/kg IV dose of aletekitug was associated with improved outcomes at Week 12, which were sustained to Week 24, and modulated immune mechanisms beyond T2 inflammation. These results support IL-18 as a potential therapeutic target in moderate-to-severe AD.
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