Trial reportInternational journal of molecular sciences2026
Etrasimod Treatment Modulates Circulating and Lymph Node-Derived Lymphocytes in Crohn's Disease.
Trial report in International journal of molecular sciences, 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.
The trial behind it
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Authors and funding
11 authors.
Funding
Abstract
Etrasimod is an oral selective sphingosine-1 phosphate receptor modulator, and its anti-inflammatory mechanism of action in inflammatory bowel diseases is not completely understood. It targets pro-inflammatory immune cells expressing sphingosine-1-phosphate receptors during their migration from the lymphatic system to the circulation and intestinal mucosa. Reductions in certain lymphocyte subsets in the peripheral blood have been reported, but its effects in lymph nodes remain unknown. This study investigated changes in leukocyte subpopulations in peripheral lymph nodes and blood in Crohn's disease patients treated with etrasimod. Moderate-to-severe Crohn's disease patients participated in this randomized, double-blind study, within the phase 2 CULTIVATE clinical trial. At baseline and after 14 weeks of etrasimod treatment, peripheral blood and inguinal lymph node biopsies were obtained. Isolated peripheral blood mononuclear cells and lymph node leukocyte populations were analyzed at single cell level using mass cytometry at both timepoints. The immunophenotyping revealed 15 innate and adaptive major immune cell populations, as well as 14 subpopulations of CD4+ and CD8+ T-cells. In peripheral lymph nodes, etrasimod resulted in significant accumulation of naïve, central memory, and effector memory CD4+ T-cells (+10.7%, +4.2%, and +2.3%, respectively; all
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