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Saravanabavan S, Upton J. Practical tips for the use of the Canadian milk ladder for paediatricians. Paediatr Child Health 2024; 29:72-73. [PMID: 38586484 PMCID: PMC10996459 DOI: 10.1093/pch/pxad076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 10/20/2023] [Indexed: 04/09/2024] Open
Affiliation(s)
| | - Julia Upton
- Division of Immunology and Allergy, The Hospital for Sick Children, Department of Paediatrics, University of Toronto, Toronto, Ontario, Canada
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Upton JEM, Wong D, Nowak-Wegrzyn A. Baked milk and egg diets revisited. Ann Allergy Asthma Immunol 2024; 132:328-336.e5. [PMID: 38151097 DOI: 10.1016/j.anai.2023.12.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 12/20/2023] [Accepted: 12/21/2023] [Indexed: 12/29/2023]
Abstract
Most children with milk and egg allergy are nonreactive to modified forms of milk and egg in bakery products such as muffins because of conformational changes in proteins. These baked milk (BM) and baked egg (BE) diets have become commonplace in the management of milk and egg allergy, respectively. Current laboratory- and skin test-based diagnostic approaches remain limited in their ability to predict BM/BE tolerance, resulting in various approaches to introduce these foods. One approach to introduce BM/BE is to offer a medically supervised oral food challenge and then advise dietary introduction of baked products for children who have tolerance. Another approach is adapted from a home-based protocol of graded ingestion of BM or BE originally intended for non-IgE mediated allergy, often referred to as a "ladder." The ladder advises home ingestion of increasing amounts of BM or BE. For children who have allergy to BM or BE, the ladder is essentially oral immunotherapy, although not always labeled or recognized as such. Risk assessment and education of patients suitable for home introduction are essential. A home approach that may be called a ladder can also be used to escalate diets after demonstrated tolerance of baked forms by introducing lesser cooked forms of milk or egg after tolerating BM or BE. A randomized controlled trial provided clear evidence that baked diets can hasten the resolution of IgE-mediated milk allergy. Moreover, BM/BE foods have an emerging role in the treatment of non-IgE-mediated allergy. There is tangential evidence for BM and BE diets in the prevention of IgE-mediated allergy.
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Affiliation(s)
- Julia E M Upton
- SickKids Food Allergy and Anaphylaxis Programme, Division of Immunology and Allergy, Department of Paediatrics, The Hospital for Sick Children, Toronto, Canada; Division of Clinical Immunology and Allergy, Department of Pediatrics, Temerty Faculty of Medicine, University of Toronto, Toronto, Canada; Division of Clinical Immunology and Allergy, Department of Medicine, Temerty Faculty of Medicine, University of Toronto, Toronto, Canada.
| | - Dennis Wong
- SickKids Food Allergy and Anaphylaxis Programme, Division of Immunology and Allergy, Department of Paediatrics, The Hospital for Sick Children, Toronto, Canada; Division of Clinical Immunology and Allergy, Department of Medicine, St. Michael's Hospital, Toronto, Canada
| | - Anna Nowak-Wegrzyn
- Department of Pediatrics, Hassenfeld Children's Hospital, NYU R. Grossman School of Medicine, New York, New York; Department of Pediatrics, Gastroenterology and Nutrition, Collegium Medicum, University of Warmia and Mazury, Olsztyn, Poland
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Chomyn A, Chan ES, Yeung J, Cameron S, Chua GT, Vander Leek TK, Williams BA, Soller L, Abrams EM, Mak R, Wong T. Safety and effectiveness of the Canadian food ladders for children with IgE-mediated food allergies to cow's milk and/or egg. ALLERGY, ASTHMA, AND CLINICAL IMMUNOLOGY : OFFICIAL JOURNAL OF THE CANADIAN SOCIETY OF ALLERGY AND CLINICAL IMMUNOLOGY 2023; 19:94. [PMID: 37932826 PMCID: PMC10629013 DOI: 10.1186/s13223-023-00847-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 10/05/2023] [Indexed: 11/08/2023]
Abstract
BACKGROUND Food ladders are tools designed to facilitate home-based dietary advancement in children with food allergies through stepwise exposures to increasingly allergenic forms of milk and egg. Several studies have now documented safety and efficacy of food ladders. In 2021, we published a Canadian adaptation of the previously existing milk and egg ladders originating in Europe using foods more readily available/consumed in Canada. Our study adds to the growing body of evidence supporting food ladder use and provides safety and effectiveness data for our Canadian adaptation of the milk and egg ladders. METHODS Surveys were distributed to families of children using the Canadian Milk Ladder and/or the Canadian Egg Ladder at baseline, with follow up surveys at 3 months, 6 months, and 12 months. Data were analyzed using REDCap and descriptive and inferential statistics are presented. RESULTS One hundred and nine participants were started on milk/egg ladders between September 2020 and June 2022. 53 participants responded to follow up surveys. Only 2 of 53 (3.8%) participants reported receiving epinephrine during the study. Severe grade 4 reactions (defined according to the modified World Allergy Organization grading system) were not reported by any participants. Minor cutaneous adverse reactions were common, with about 71% (n = 10/14) of respondents reporting cutaneous adverse reactions by 1 year of food ladder use. An increasing proportion of participants could tolerate most foods from steps 2-4 foods after 3, 6, and 12 months of the food ladder compared to baseline. CONCLUSION The Canadian food ladders are safe tools for children with cow's milk and/or egg allergies, and participants tolerated a larger range of foods with food ladder use compared to baseline.
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Affiliation(s)
- Alanna Chomyn
- Department of Pediatrics, Division of Clinical Immunology & Allergy, University of British Columbia, BC Children's Hospital, Room 1C31B 4480 Oak Street, V5Z 4H4, Vancouver, BC, Canada.
| | - Edmond S Chan
- Department of Pediatrics, Division of Clinical Immunology & Allergy, University of British Columbia, BC Children's Hospital, Room 1C31B 4480 Oak Street, V5Z 4H4, Vancouver, BC, Canada
| | - Joanne Yeung
- Department of Pediatrics, Division of Clinical Immunology & Allergy, University of British Columbia, BC Children's Hospital, Room 1C31B 4480 Oak Street, V5Z 4H4, Vancouver, BC, Canada
| | - Scott Cameron
- Department of Pediatrics, Division of Clinical Immunology & Allergy, University of British Columbia, BC Children's Hospital, Room 1C31B 4480 Oak Street, V5Z 4H4, Vancouver, BC, Canada
| | - Gilbert T Chua
- Department of Paediatrics and Adolescent Medicine, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Timothy K Vander Leek
- Pediatric Allergy & Asthma, Department of Pediatrics, University of Alberta, Edmonton, AB, Canada
| | - Brock A Williams
- Department of Pediatrics, Division of Clinical Immunology & Allergy, University of British Columbia, BC Children's Hospital, Room 1C31B 4480 Oak Street, V5Z 4H4, Vancouver, BC, Canada
- Food, Nutrition, and Health, Faculty of Land and Food Systems, University of British Columbia, Vancouver, BC, Canada
| | - Lianne Soller
- Department of Pediatrics, Division of Clinical Immunology & Allergy, University of British Columbia, BC Children's Hospital, Room 1C31B 4480 Oak Street, V5Z 4H4, Vancouver, BC, Canada
| | - Elissa M Abrams
- Department of Pediatrics, Division of Clinical Immunology & Allergy, University of British Columbia, BC Children's Hospital, Room 1C31B 4480 Oak Street, V5Z 4H4, Vancouver, BC, Canada
- Department of Pediatrics and Child Health, Section of Allergy and Immunology, University of Manitoba, Winnipeg, Canada
| | - Raymond Mak
- Department of Pediatrics, Division of Clinical Immunology & Allergy, University of British Columbia, BC Children's Hospital, Room 1C31B 4480 Oak Street, V5Z 4H4, Vancouver, BC, Canada
| | - Tiffany Wong
- Department of Pediatrics, Division of Clinical Immunology & Allergy, University of British Columbia, BC Children's Hospital, Room 1C31B 4480 Oak Street, V5Z 4H4, Vancouver, BC, Canada.
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Kelleher MM, Trujillo J, Byrne A, O'B Hourihane J. Don't put all your eggs (and milk) in one basket. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2023; 11:1981-1982. [PMID: 37295863 DOI: 10.1016/j.jaip.2023.02.039] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 02/13/2023] [Indexed: 06/12/2023]
Affiliation(s)
| | - Juan Trujillo
- Department of Paediatrics and Child Health, University College Cork and Irish Centre for Maternal and Child Health Research (INFANT), Cork, Ireland
| | - Aideen Byrne
- Children's Hospital Ireland (CHI) at Crumlin, Dublin, Ireland; Department of Paediatrics, Trinity College, Dublin, Ireland
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Mack DP, Greenhawt M, Anagnostou A. Reply to "Don't put all your eggs (and milk) in one basket". THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2023; 11:1982-1983. [PMID: 37295864 DOI: 10.1016/j.jaip.2023.02.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 02/13/2023] [Indexed: 06/12/2023]
Affiliation(s)
- Douglas Paul Mack
- Department of Pediatrics, McMaster University, Hamilton, ON, Canada.
| | - Matthew Greenhawt
- Section of Allergy and Immunology, Department of Pediatrics, Children's Hospital Colorado, University of Colorado School of Medicine, Aurora, Colo
| | - Aikaterini Anagnostou
- Section of Immunology, Allergy, and Retrovirology, Department of Pediatrics, Baylor College of Medicine, Houston, Texas; Section of Immunology, Allergy and Retrovirology, Department of Pediatrics, Texas Children's Hospital, Houston, Texas
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Mack DP, Greenhawt M, Anagnostou A. Are There Hidden Dangers Associated With Milk and Egg Dietary Advancement Therapy? THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2023; 11:1056-1062. [PMID: 36581070 DOI: 10.1016/j.jaip.2022.12.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 12/02/2022] [Accepted: 12/13/2022] [Indexed: 12/28/2022]
Abstract
Dietary advancement therapies (DATs) constitute a continuum spanning extensively heated item ingestion, progressive milk or egg ladders, and oral immunotherapy (OIT). These represent an evolution in food allergy management from strict avoidance to an active therapy that may modulate the immune system to develop tolerance to particular forms of the allergen. Many egg or milk individuals are tolerant to baked egg or milk at baseline, and regular consumption (at home ingestion) of baked milk or egg is a safe process with potential quality of life and immunologic benefit. Milk and egg ladders, developed for non-IgE mediated allergy, are increasingly being adapted to IgE-mediated allergy as a potentially safe at-home option for gradual dietary advancement. However, data are limited regarding how safe and effective these approaches are or what patient is best suited for which DAT. It is also unclear whether extensively heated allergen consumption and ladders are susceptible to the same patient-specific factors that affect day-to-day tolerance and safety in OIT. Several recent events involving near-fatal or fatal reactions to milk or egg products (all among patients with asthma) have highlighted that DATs are not risk-free, and that physician guidance in these therapies is essential. Such guidance may include obtaining informed consent before starting any DAT and instituting the same safe dosing rules for OIT across any form of DAT. This rostrum discusses practical concerns about the safety of DAT, and considerations regarding how clinicians can maximize patient protection while defining the safety and efficacy of real-world implementation of these concepts.
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Affiliation(s)
- Douglas Paul Mack
- Department of Pediatrics, McMaster University, Hamilton, Ontario, Canada.
| | - Matthew Greenhawt
- Section of Allergy and Immunology, Children's Hospital Colorado, Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colo
| | - Aikaterini Anagnostou
- Section of Immunology, Allergy, and Retrovirology, Department of Pediatrics, Baylor College of Medicine, Houston, Texas; Section of Immunology, Allergy, and Retrovirology, Department of Pediatrics, Texas Children's Hospital, Houston, Texas
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Mediterranean Milk Ladder: Integrating a Healthy Eating Plan While Reintroducing Cow's Milk. CHILDREN (BASEL, SWITZERLAND) 2023; 10:children10020234. [PMID: 36832362 PMCID: PMC9954599 DOI: 10.3390/children10020234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 01/21/2023] [Accepted: 01/26/2023] [Indexed: 01/31/2023]
Abstract
The process of gradually reintroducing food allergens into an individual's diet is referred to as a food allergen "ladder", and the most recent edition of the original Milk Allergy in Primary (MAP) Care Guidelines, as well as the International Milk Allergy in Primary Care (IMAP), includes a shortened, improved, and international version with specific recipes, indicating the exact milk protein content, as well as the duration of heating and the temperature for each step of the ladder. Food allergen ladders are being used increasingly in clinical practice. The aim of this study was to develop a Mediterranean milk ladder based on the principles of the Mediterranean eating pattern. The protein content delivered in a portion of the final food product in each step of the ladder in the Mediterranean version corresponds to that provided in the IMAP ladder. Different recipes for the various steps were provided to increase acceptability and variety. Quantification of the total milk protein, casein content, and beta-lactoglobulin by Enzyme-linked immunosorbent assay (ELISA) could detect the gradual increase in concentrations, but the accuracy of the method was affected by the presence of the other ingredients in the mixtures. When developing the Mediterranean milk ladder, a key consideration was to reduce the amount of sugar by using limited amounts of brown sugar and substituting sugar with fresh fruit juice or honey for children aged older than one year. The proposed Mediterranean milk ladder includes principles of (a) healthy eating based on the Mediterranean diet and (b) the acceptability of foods across different age groups.
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Turner PJ, Tang MLK, Wood RA. Food Allergy and Eosinophilic Gastrointestinal Diseases-The Next 10 Years. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2023; 11:72-78. [PMID: 36371062 DOI: 10.1016/j.jaip.2022.10.038] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 10/24/2022] [Indexed: 11/10/2022]
Abstract
The first report of food allergy desensitization was in 1908, at least a few years before the first published description of a diagnostic test for food allergy. It has taken almost 100 years for food allergy to move from passive management of avoidance to a more proactive approach including prevention and treatment. In parallel, this has been matched by recognition of eosinophil gastrointestinal diseases, which were first described in the 1980s (although eosinophilic esophagitis was itself described in 1978). As we celebrate 10 years of The Journal of Allergy and Clinical Immunology: In Practice, we take the opportunity to look into the future and speculate how our practice may develop over the next decade.
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Affiliation(s)
- Paul J Turner
- National Heart and Lung Institute, Imperial College London, London, United Kingdom.
| | - Mimi L K Tang
- Allergy Immunology, Murdoch Children's Research Institute, Parkville, Melbourne, Victoria, Australia; Department of Paediatrics, University of Melbourne, Parkville, Melbourne, Victoria, Australia; Department of Allergy and Immunology, Royal Children's Hospital, Parkville, Melbourne, Victoria, Australia
| | - Robert A Wood
- Division of Allergy, Immunology, and Rheumatology, Department of Pediatrics, Johns Hopkins School of Medicine, Baltimore, Md
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