Tolerance to a New Free Amino Acid-based Formula in Children With IgE or Non-IgE-mediated Cow's Milk Allergy

Inclusion Criteria: * Pediatric patients (≤14 years of age) with a recent diagnosis of IgE- or non-IgE-mediated CMA, confirmed by positive DBPCFC or anaphylaxis in the 2 months prior to enrollment and under good clinical control. Exclusion Criteria: * Children with concomitant chronic systemic diseases * Congenital cardiac defects * Active tuberculosis * Autoimmune diseases * Immunodeficiency * Chronic inflammatory bowel diseases * Celiac disease * Cystic fibrosis * Metabolic diseases * Lactose intolerance * Malignancy * Chronic pulmonary diseases * Malformations of the gastrointestinal tract * Gastroesophageal reflux disease non-food allergy-related * Suspected eosinophilic gastrointestinal disorders, were excluded.