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Allergy Milk clinical trials

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NCT ID: NCT03909113 Completed - Allergy Milk Clinical Trials

Tolerability of Hypoallergenic Formula in Children With Cow's Milk Allergy

SINEALLII
Start date: March 1, 2019
Phase: N/A
Study type: Interventional

Cow's milk protein allergy is defined as an immunological reaction to one or more milk proteins. A variety of symptoms can be suggestive for cow's milk protein allergy . Cow's milk protein allergy is suspected clinically in 5-15% of infants, while most estimates of prevalence of cow's milk protein allergy vary from only 2 to 5 %. Confusion regarding cow's milk protein allergy prevalence is often due to differences in study populations, study design and a lack of defined diagnostic criteria. The importance of defined diagnostic criteria needs to be emphasised. It precludes infants from an unnecessary diet and avoids delay in diagnosis, which can lead to malnutrition. The treatment of cow's milk protein allergy is the dietary elimination of cow's milk proteins. In non-breastfed infants and children less than 2 years of age, a substitute formula is mandatory as prescribed by several international scientific societies. Extensively hydrolyzed formulas are used as therapeutic formulas. An extensively hydrolysed formula is often a whey or casein based formula in which the protein has been chopped up in smaller pieces that are less allergenic. Because of high cross-reactivity (up to 80%) and nutritional inadequacy, the use of any other animal milk or soy-based formula is precluded.The infant should be maintained on an elimination diet until the child is between 9-12 months of age or at least for 6 months, whichever occurs first. In most cases, symptoms will improve substantially within 2-4 weeks if diagnosis is correct. According to consensus in literature, a therapeutic formula is a formula tolerated by at least 90% (with 95% confidence) of cow's milk protein allergy infants. The primary study outcome will be the evaluation of the hypoallergenicity of a new aminoacid based formula in children with confirmed immunoglobulin (Ig)E- mediated CMA. According to the American Academy of Pediatrics (AAP) Subcommittee on Nutrition and Allergic Diseases a hypoallergenic formula must be tested in infants and children with hypersensitivity to cow's milk proteins, with findings verified by elimination-challenge tests under double-blind, placebo-controlled conditions (DBPCFC).

NCT ID: NCT03861910 Completed - Clinical trials for Allergic Conjunctivitis

Dietary Choice for the Management of Cow's Milk Allergy Influences Other Allergic Manifestations

ATMAII
Start date: December 2014
Phase:
Study type: Observational

Food allergy is a common chronic condition in childhood. Recent studies have suggested that the natural history of food allergy has changed during the last two decades, with an increased prevalence, severity of clinical manifestations, and risk of persistence into later ages. The increased food allergy prevalence in children has an important economic impact, with significant direct costs for the healthcare system and even larger costs for the families of food-allergic patients. In addition, children with food allergies are at increased risk to develop other allergic manifestations later in life. According to a recent study, children with a food allergy are 2 to 4 times more likely to develop other atopic manifestations such as asthma (4.0 times), atopic eczema (2.4 times), and respiratory allergies (3.6 times), compared to children without a food allergy. Cow's milk allergy is among the most common food allergy in early childhood, with an estimated prevalence of 2% to 3%. It has been previously showed that in children with cow milk allergy, an extensively hydrolysed casein formula supplemented with the probiotic Lactobacillus rhamnosus GG induced higher tolerance rates compared to extensively hydrolysed casein formula without Lactobacillus rhamnosus GG and other formulas. These findings were consistent with those of a 1-year follow-up study performed in the US that showed better outcomes using an extensively hydrolysed casein formula+Lactobacillus rhamnosus GG vs. an extensively hydrolysed casein formula or amino acid-based formula for the first-line dietary management of cow milk allergy. In addition it has been recently demonstrated that extensively hydrolysed casein formula + Lactobacillus rhamnosus GG reduces the incidence of other atopic manifestations and hastens the development of oral tolerance in children with IgE-mediated cow milk allergy. The present randomized controlled trial (RCT) was designed to test whether different dietary interventions could influence the occurrence of other atopic manifestations in children with IgE-mediated cow milk allergy.

NCT ID: NCT03449537 Completed - Allergy Milk Clinical Trials

Step Down Approach in Children With Cow Milk Allergy

SDACMA
Start date: April 1, 2018
Phase: N/A
Study type: Interventional

Cow's milk allergy (CMA) affects up to 3% of European children. In the absence of an alternative to cow's milk, the management of CMA is based on the use of safe, affordable and nutritionally adequate formulas. In Scientific Societies Guidelines, extensively hydrolyzed casein formula (EHCF) is considered as safe first line approach for the treatment of children with CMA, whereas amino acid-based formula (AAF) is considered as second line strategy in children reacting to EHCF or as first line approach in children with CMA-induced anaphylaxis. Few and not recent studies, involving a poorly characterized study population, suggested that up to 10% of CMA children could react to the extensively hydrolysed formulas. It has been demonstrated that EHCF supplemented with L.rhamnosus GG (LGG) maintains hypoallergenic status and that is able to accelerate oral tolerance acquisition in children with CMA comparing with other formulas. The purpose of this study is to investigate the feasibility of a "step-down" approach in children affected by Immunoglobulin E (IgE)-mediated CMA with the aim to evaluate the effects of EHCF + LGG on oral tolerance acquisition and on immune response and gut microbiota shaping.