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Study of the Atopic March: Development of Atopic Comorbidities

Lynda Schneider1, Jon Hanifin2, Mark Boguniewicz3,4

  • 1Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts.

Pediatric Dermatology
|June 9, 2016
PubMed

Insights

Early pimecrolimus treatment did not prevent the atopic march in infants with atopic dermatitis (AD). However, pimecrolimus effectively treated AD and was safe for infants.

Area of Science:

  • Pediatric Dermatology
  • Allergology
  • Immunology

Background:

  • Atopic dermatitis (AD) is a common pediatric skin condition.
  • AD often precedes the development of asthma and allergic rhinitis, a phenomenon known as the atopic march.
  • Understanding early interventions for AD is crucial for managing the atopic march.

Purpose of the Study:

  • To investigate if early pimecrolimus intervention in infants with AD could prevent the progression to asthma or allergic rhinitis.
  • To evaluate the efficacy and safety of pimecrolimus for treating infant AD.

Main Methods:

  • A 3-year double-blind, randomized controlled trial comparing pimecrolimus to vehicle in infants (3-18 months) with recent-onset AD.
  • Subsequent open-label pimecrolimus treatment for an additional 3 years.
  • Efficacy assessed by disease-free days, Eczema Area and Severity Index (EASI), and body surface area affected.

Main Results:

  • No significant difference in the development of asthma or other allergic conditions between pimecrolimus and placebo groups.
  • Greater AD severity at baseline was associated with a higher incidence of allergic rhinitis, food allergy, and atopic comorbidities.
  • Pimecrolimus demonstrated significantly greater efficacy than vehicle in treating AD at week 14, with similar adverse event profiles.

Conclusions:

  • This study provides longitudinal evidence supporting the concept of the atopic march in infants.
  • Pimecrolimus is a safe and effective treatment option for infants with mild to moderate atopic dermatitis.
  • Early intervention with pimecrolimus did not alter the trajectory of the atopic march but effectively managed AD symptoms.
Abstract

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