The study objective is to assess the growth of infants fed an experimental formula for the nutritional management of chronic diarrhea.

Inclusion Criteria:

• Less than or equal to 12 months of age at enrollment
• Candidates for elemental feeding
• Chronic diarrhea and diagnosis of one of the following conditions: short-bowel syndrome, eosinophilic gastroenteritis, food allergy, inflammatory bowel disease, pancreatic disease, protein maldigestion, HIV-advanced disease or other GI disease requiring an elemental diet or have underlying GI disease without chronic diarrhea if his/her chronic diarrhea is controlled or is in remission by a semi-elemental or elemental formula for no more than 13 weeks
• Parents agree to feed infant with experimental formula for least 50% of total calories during study period

Exclusion Criteria:

• Any non-approved concomitant study