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  • Title: A Case Series on the Use of Dupilumab for Treatment of Refractory Eosinophilic Gastrointestinal Disorders.
    Author: Patel N, Goyal A, Thaker A, Troendle D, Parrish C.
    Journal: J Pediatr Gastroenterol Nutr; 2022 Aug 01; 75(2):192-195. PubMed ID: 35666881.
    Abstract:
    The incidence and prevalence of eosinophilic esophagitis (EoE), eosinophilic gastritis (EoG), eosinophilic enteritis (EoN), and eosinophilic colitis (EoC) are increasing ( 1 ). These conditions will inevitably become more widely recognized and better understood. There is currently no Food and Drug Administration (FDA)-approved treatment for EoE, but there are standard-of-care treatments that are well established and widely used. In contrast, there is a paucity of data regarding standard-of-care treatment for non-EoE eosinophilic gastrointestinal disorders (EGID). We identified 3 patients that all achieved clinical and histopathologic remission on dupilumab, a monoclonal antibody that blocks the downstream signaling of interleukin (IL)-4 and IL-13. These patients had extra-esophageal forms of EGID with two patients failing to achieve remission on standard-of-care therapies and one patient experiencing significant side effects on swallowed budesonide therapy. The reduction in mucosal eosinophilia in several GI tract segments in these 3 patients highlights a new potential clinical indication for dupilumab in the treatment of pediatric EGID patients.
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