Food Protein-Induced Enterocolitis Syndrome (FPIES) is a non IgE-mediated allergy, presenting with vomiting, and may be complicated by hypovolemic shock. The pathophysiology of FPIES is not well characterized and there is no biological marker confirming the diagnosis or predicting recovery. Gut microbiota in IgE-mediated allergy is pro-inflammatory and the addition of pro- or prebiotics can accelerate healing. Microbiota of patients with FPIES have never been studied yet. The aim of this work is therefore to analyse longitudinally the gut microbiota of patients with FPIES, before and after healing, in order to predict the recovery from FPIES. The cutaneous and salivary microbiota will also be analysed at the same time, in order to look for a correlation between these three microbiota.
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Gut microbiota
Timeframe: Between 1 and 4.5 years