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Alternatives to Cow's Milk-Based Infant Formulas in the Prevention and Management of Cow's Milk Allergy.

ABSTRACT: Cow's milk-based infant formulas are the most common substitute to mother's milk in infancy when breastfeeding is impossible or insufficient, as cow's milk is a globally available source of mammalian proteins with high nutritional value. However, cow's milk allergy (CMA) is the most prevalent type of food allergy among infants, affecting up to 3.8% of small children. Hypoallergenic infant formulas based on hydrolysed cow's milk proteins are commercially available for the management of CMA. Yet, there is a growing demand for more options for infant feeding, both in general but especially for the prevention and management of CMA. Milk from other mammalian sources than the cow, such as goat, sheep, camel, donkey, and horse, has received some attention in the last decade due to the different protein composition profile and protein amino acid sequences, resulting in a potentially low cross-reactivity with cow's milk proteins. Recently, proteins from plant sources, such as potato, lentil, chickpeas, quinoa, in addition to soy and rice, have gained increased interest due to their climate friendly and vegan status as well as potential lower allergenicity. In this review, we provide an overview of current and potential future infant formulas and their relevance in CMA prevention and management.

SUBMITTER: Maryniak NZ

PROVIDER: S-EPMC8997926 | biostudies-literature | 2022 Mar

REPOSITORIES: biostudies-literature

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Alternatives to Cow's Milk-Based Infant Formulas in the Prevention and Management of Cow's Milk Allergy.

Maryniak Natalia Zofia NZ Sancho Ana Isabel AI Hansen Egon Bech EB Bøgh Katrine Lindholm KL

Foods (Basel, Switzerland) 20220323 7

Cow's milk-based infant formulas are the most common substitute to mother's milk in infancy when breastfeeding is impossible or insufficient, as cow's milk is a globally available source of mammalian proteins with high nutritional value. However, cow's milk allergy (CMA) is the most prevalent type of food allergy among infants, affecting up to 3.8% of small children. Hypoallergenic infant formulas based on hydrolysed cow's milk proteins are commercially available for the management of CMA. Yet, ...[more]

PMID: 35407012

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Project description:ImportanceCow's milk formula (CMF) is used to supplement breastfeeding (BF) at birth without clear clinical evidence to support the practice.ObjectiveTo determine whether avoiding supplementation with CMF at birth can decrease risks of sensitization to cow's milk protein and/or clinical food allergy, including cow's milk allergy (CMA), overall and in subgroups stratified by 25-hydroxyvitamin D (25[OH]D) levels.Design, setting, and participantsThe Atopy Induced by Breastfeeding or Cow's Milk Formula (ABC) trial, a randomized, nonblinded clinical trial, began enrollment October 1, 2013, and completed follow-up May 31, 2018, at a single university hospital in Japan. Participants included 330 newborns at risk for atopy; of these, 312 were included in the analysis. Data were analyzed from September 1 through October 31, 2018.InterventionsImmediately after birth, newborns were randomized (1:1 ratio) to BF with or without amino acid-based elemental formula (EF) for at least the first 3 days of life (BF/EF group) or BF supplemented with CMF (≥5 mL/d) from the first day of life to 5 months of age (BF plus CMF group).Main outcomes and measuresThe primary outcome was sensitization to cow's milk (IgE level, ≥0.35 allergen units [UA]/mL) at the infant's second birthday. Secondary outcomes were immediate and anaphylactic types of food allergy, including CMA, diagnosed by oral food challenge test or triggered by food ingestion, with food-specific IgE levels of at least 0.35 UA/mL. Subgroup analysis was prespecified by tertiles of serum 25(OH)D levels at 5 months of age.ResultsOf the 312 infants included in the analysis (160 female [51.3%] and 152 male [48.7%]), 151 of 156 (96.8%) in the BF/EF and BF plus CMF groups were followed up until their second birthday. The primary outcome occurred in 24 infants (16.8%) in the BF/EF group, which was significantly fewer than the 46 infants (32.2%) in the BF plus CMF group (relative risk [RR], 0.52; 95% CI, 0.34-0.81). The middle tertile of the 25(OH)D subgroup, but not the low and high tertiles, had a significant interaction with the intervention (RR, 0.19; 95% CI, 0.07-0.50; P = .02). The prevalence of food allergy at the second birthday was significantly lower in the BF/EF than in the BF plus CMF groups for immediate (4 [2.6%] vs 20 [13.2%]; RR, 0.20; 95% CI, 0.07-0.57) and anaphylactic (1 [0.7%] vs 13 [8.6%]; RR, 0.08; 95% CI, 0.01-0.58) types.Conclusions and relevanceThe evidence suggests that sensitization to cow's milk and food allergy, including CMA and anaphylaxis, are primarily preventable by avoiding CMF supplementation for at least the first 3 days of life.Trial registrationhttp://umin.ac.jp Identifier: UMIN000011577.

Dataset Information

Alternatives to Cow's Milk-Based Infant Formulas in the Prevention and Management of Cow's Milk Allergy.

Publications

Alternatives to Cow's Milk-Based Infant Formulas in the Prevention and Management of Cow's Milk Allergy.

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