Clinical Research Directory

Inclusion Criteria: 1. Infants aged 1 to 12 months at the time of enrollment. 2. Infants who are exclusevel or predominantly fed amino acid-based formula (AAF) in addition to elimination diet for at least 12 consecutive weeks. 3. Infants who are diagnosed as CMPA by CoMiSS score ≥ 10 and confirmed by OFC test. 4. Infants with informed parental or guardian consent to participate in the study. Exclusion Criteria: * 1- Infants with congenital anomalies or syndromes affecting growth and development (e.g., trisomy 21, major cardiac defects). 2- Infants with chronic systemic illnesses unrelated to feeding (e.g., cystic fibrosis, chronic kidney disease). 3- Infants receiving additional specialized nutrition support (e.g., parenteral nutrition or tube feeding not involving AAF). 4- Infants with incomplete or insufficient medical records at the time of assessment.5- Infants who have been on AAF for less than 4 weeks or whose feeding regimen is not stable. 6- Infants whose parents or legal guardians decline or withdraw informed consent.