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The natural course of cow's milk protein allergy and atopic diseases in a birth cohort with follow-up into adulthood
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  • Michaela Manalili Hansen,
  • Arne Høst,
  • Susanne Halken,
  • Susanne Nissen
Michaela Manalili Hansen
University of Southern Denmark

Corresponding Author:[email protected]

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Arne Høst
Odense University Hospital
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Susanne Halken
Odense University Hospital
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Susanne Nissen
Odense University Hospital
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Abstract

Background: Previous studies have investigated the natural course of cow’s milk protein allergy (CMPA) and development of atopic diseases into adolescence. Studies with long term follow-up into adulthood are lacking. The aim of this study was to investigate 1) the natural course of CMPA in a 1-year birth cohort of Danish children from birth until 15 and 26 years of age and 2) the development of atopic diseases in a group of children with CMPA (group A) compared to a random sample of 276 children from the same birth cohort (group B). 
Methods: A birth cohort of 1,749 newborns, was investigated prospectively for the development of CMPA and atopic diseases. During the first year of life and at 18 months and 3, 5, 10, 15, and 26 years of age, questionnaire based interviews, physical examination, skin prick tests and specific IgE testing, and from 10 years also spirometry, were carried out. 
Results: 39 (2,2%) were diagnosed with CMPA. The recovery rate was 87%, 92% and 97% at 3, 5 and 26 years of age. Compared to group B, group A had significantly (p < 0,05) higher prevalence of asthma and rhinoconjunctivitis at 15 years of age and at 26 years of age, group A had significantly higher prevalence of asthma and atopic dermatitis. The follow-up rate was 85% (A) and 70% (B). 
Conclusion: CMPA has a good prognosis regarding recovery rate. CMPA and sensitization in early childhood predict sensitization and persistence of allergic diseases into adulthood.
18 Jun 2020Submitted to Pediatric Allergy and Immunology
23 Jun 2020Reviewer(s) Assigned
31 Jul 2020Review(s) Completed, Editorial Evaluation Pending
24 Aug 2020Editorial Decision: Revise Major
20 Nov 20201st Revision Received
25 Nov 2020Review(s) Completed, Editorial Evaluation Pending
25 Nov 2020Reviewer(s) Assigned
09 Dec 2020Editorial Decision: Revise Minor
10 Dec 20202nd Revision Received
11 Dec 2020Review(s) Completed, Editorial Evaluation Pending
16 Dec 2020Editorial Decision: Accept