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Pediatric Clinician Adherence to Peanut Allergy Prevention Guidelines: A Randomized Trial

Ruchi S Gupta1,2, Lucy A Bilaver1, Jialing Jiang1

  • 1Northwestern University Feinberg School of Medicine, Chicago, Illinois.

Pediatrics
|October 5, 2025
PubMed

Insights

A new intervention significantly improved pediatrician adherence to guidelines for early peanut introduction in infants, a key step in preventing peanut allergy (PA). This approach could lower PA incidence if widely adopted.

Area of Science:

  • Allergy and Immunology
  • Pediatric Medicine
  • Clinical Trial Research

Background:

  • 2017 US guidelines recommend early peanut introduction for infants to prevent peanut allergy (PA).
  • Pediatric clinician adherence to these guidelines has been notably low.
  • The Intervention to Reduce Early Peanut Allergy in Children (iREACH) trial was designed to address this adherence gap.

Purpose of the Study:

  • To evaluate the effectiveness of a multifaceted intervention in improving pediatric clinician adherence to PA prevention guidelines.
  • To assess the impact of the intervention on guideline adherence for both low-risk and high-risk infants.

Main Methods:

  • A practice-based, cluster randomized trial involving 30 pediatric practices.
  • Intervention group received education, electronic health record-embedded clinical decision support (CDS), and visual aids.
  • Control group did not receive the intervention; adherence was documented via EHR data at well-child visits.

Main Results:

  • In low-risk infants, intervention clinicians showed 83.7% adherence versus 34.7% in controls (OR, 14.6).
  • In high-risk infants, adherence was 26.8% in the intervention group compared to 10.4% in controls (OR, 3.1).
  • The intervention significantly improved adherence for both risk groups (P < .001 for low-risk, P = .03 for high-risk).

Conclusions:

  • A multifaceted educational intervention, including CDS tools, effectively enhanced clinician adherence to peanut allergy prevention guidelines.
  • Successful implementation and dissemination of this intervention have the potential to decrease the overall incidence of peanut allergy.
  • This study highlights the importance of targeted interventions to bridge the gap between clinical guidelines and practice.
Abstract

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