Infant Formula in Infants and Children With Cow's Milk Allergy

Inclusion Criteria:

* Participant's parent(s) is/are willing for their child to undergo confirmatory testing or must have had at least one of the following within 6 months of enrollment:

  1. Physician diagnosis of IgE-mediated CMA, according to the participant's clinical history (e.g. gastrointestinal symptoms, hives, respiratory symptoms or angioedema) AND, detectable serum milk-specific IgE \>0.7 kUᴀ/L or positive skin prick test wheal ≥5 mm;
  2. Documentation of milk-specific serum IgE ≥15 kUᴀ/L or ≥ 5 kUᴀ/L if younger than 1 year;
  3. Documented cow's milk skin prick test wheal ≥8mm;
  4. Physician-supervised oral food challenge that elicited immediate, objective, allergic symptoms.
* Participant's parent(s) agree for their child to stop oral steroid use within 14 days and antihistamine use within 7 days prior to confirmation of diagnosis and food challenges.
* Participant had followed a strict cow's milk protein-free diet for at least 2 weeks prior to enrollment.
* Parent(s) confirm their intention not to administer any products containing cow's milk protein during the study.
* Participant is between 3 months and 12 years of age at enrollment.
* Participant's parent(s) has voluntarily signed and dated an Informed Consent Form (ICF), approved by an Independent Ethics Committee/Institutional Review Board (IEC/IRB) and provided Health Insurance Portability and Accountability Act (HIPAA) (or other applicable privacy regulation) authorization prior to any participation in the study.

Exclusion Criteria:

* Participant is partially or exclusively breastfed at the time of enrollment.
* Participant is consuming an amino acid-based formula due to failure on an extensively hydrolyzed formula.
* Significant chronic medical diseases including major chromosomal or congenital anomalies, gastrointestinal diseases, or abnormalities other than CMA, immunodeficiencies, unstable asthma, eczema and/or food allergies treated with biologics (omalizumab or other monoclonal antibody), FPIES, eosinophilic esophagitis, and severe uncontrolled eczema.
* Previous severe anaphylactic reaction to cow's milk within the last two years.,
* An adverse medical history or current condition that is thought by the investigator to have potential for effects on tolerance or the hypoallergenicity test.
* Participant has an allergy or intolerance to any ingredient in the study product, as reported by the parent.
* Participant is consuming baked milk products.
* Use of and/or changing dose of high potency steroids.
* Participant is treated with any oral immunotherapy (sublingual, subcutaneous, and epicutaneous) for any food allergy.