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Vitamin D3 and deconvoluting a rash
Madison K. Ernst, … , Kevin D. Cooper, Kurt Q. Lu
Madison K. Ernst, … , Kevin D. Cooper, Kurt Q. Lu
Published January 24, 2023
Citation Information: JCI Insight. 2023;8(2):e163789. https://doi.org/10.1172/jci.insight.163789.
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Clinical Medicine Clinical trials Dermatology

Vitamin D3 and deconvoluting a rash

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Abstract

BACKGROUND Adverse drug reactions are unpredictable immunologic events presenting frequent challenges to clinical management. Systemically administered cholecalciferol (vitamin D3) has immunomodulatory properties. In this randomized, double-blinded, placebo-controlled interventional trial of healthy human adults, we investigated the clinical and molecular immunomodulatory effects of a single high dose of oral vitamin D3 on an experimentally induced chemical rash.METHODS Skin inflammation was induced with topical nitrogen mustard (NM) in 28 participants. Participant-specific inflammatory responses to NM alone were characterized using clinical measures, serum studies, and skin tissue analysis over the next week. All participants underwent repeat NM exposure to the opposite arm and then received placebo or 200,000 IU cholecalciferol intervention. The complete rash reaction was followed by multi-omic analysis, clinical measures, and serum studies over 6 weeks.RESULTS Cholecalciferol mitigated acute inflammation in all participants and achieved 6 weeks of durable responses. Integrative analysis of skin and blood identified an unexpected divergence in response severity to NM, corroborated by systemic neutrophilia and significant histopathologic and clinical differences. Multi-omic and pathway analyses revealed a 3-biomarker signature (CCL20, CCL2, CXCL8) unique to exaggerated responders that is suppressed by cholecalciferol and implicates IL-17 signaling involvement.CONCLUSION High-dose systemic cholecalciferol may be an effective treatment for severe reactions to topical chemotherapy. Our findings have broad implications for cholecalciferol as an antiinflammatory intervention against the development of exaggerated immune responses.TRIAL REGISTRATION clinicaltrials.gov (NCT02968446).FUNDING NIH and National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS; grants U01AR064144, U01AR071168, P30 AR075049, U54 AR079795, and P30 AR039750 (CWRU)).

Authors

Madison K. Ernst, Spencer T. Evans, Jose-Marc Techner, Robert M. Rothbaum, Luisa F. Christensen, Ummiye Venus Onay, Dauren Biyashev, Michael M. Demczuk, Cuong V. Nguyen, Kord S. Honda, Thomas S. McCormick, Lam C. Tsoi, Johann E. Gudjonsson, Kevin D. Cooper, Kurt Q. Lu

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