Clinical Research Directory

Inclusion Criteria: Children between 4-10 years old diagnosed with autism spectrum disorder using the criteria established in the ADOS scale and the CARS. Exclusion Criteria: Children who have received: * Antibiotics * Antimycotics * Probiotic supplements * Prebiotic supplements * Any medication that may alter the microbial composition of the patient, minimum one month prior to sampling. * Children on a strict dietary regimen other than a casein-free and gluten-free diet. * Children with celiac disease or who present any gluten-related disorder. * Children with allergy to dairy products.