Tube Feeding Tolerance After Switch to Peptide Based Formula in Children With Developmental Delay

Inclusion Criteria: * 13 months to \< 18 years of age on admission to facility * Required enteral nutrition to meet 90% or more of their energy needs prior to switch to a Peptide based formula * Received enteral nutrition with an intact protein formula for a minimum of two weeks prior to a switch to a Peptide based formula * Have documentation of intolerance to an intact protein formula, followed by a switch in formula received to a Peptide based formula * Have documentation of an assessment of feeding tolerance following the switch to a Peptide based formula * Formulas received must be indicated for use in children or adults (not infant formulas). Exclusion Criteria: * Recent abdominal surgery, change in tube position/placement (within past 30 days) * Cow's milk protein allergy * Any current infections including upper respiratory, viral, gastroenteritis, wound infection.