Omalizumab for severe IgE-mediated food allergy and severe asthma after pediatric liver transplantation: a case report - Report - MDSpire

Omalizumab for severe IgE-mediated food allergy and severe asthma after pediatric liver transplantation: a case report

  • By

  • Antonella Mosca

  • Andrea Ficari

  • Maria Sole Basso

  • Carmen Mazzuca

  • Daniela Liccardo

  • Alessandro Fiocchi

  • Andrea Pietrobattista

  • Vincenzo Fierro

  • June 17, 2026

  • 0 min

Share

Clinical Report: Omalizumab in Severe IgE-Mediated Food Allergies Post-Liver Transplant

Overview

This case study discusses the successful use of omalizumab in a pediatric liver transplant recipient who developed severe asthma and multiple de novo post-transplant food allergies. The treatment led to improved asthma control and dietary tolerance, highlighting the potential of omalizumab in managing complex allergic conditions in this population.

Background

De novo post-transplant food allergy (dnPTFA) is a significant concern in pediatric liver transplant recipients, with a prevalence much higher than in the general population. Factors such as young age, female sex, and immunosuppressive therapy contribute to the development of dnPTFA and associated allergic conditions like asthma. Understanding and managing these allergies is crucial for improving the quality of life and health outcomes in affected children.

Data Highlights

No numerical data or trial data were provided in the source material.

Key Findings

  • De novo post-transplant food allergy occurs in 4% to 58% of pediatric liver transplant recipients.
  • Risk factors for dnPTFA include young recipient age, female sex, and a history of atopy.
  • Omalizumab treatment resulted in excellent asthma control and dietary tolerance in the case presented.
  • Long-term follow-up showed stable liver graft function with no adverse events related to the graft.
  • Omalizumab has been approved for reducing allergic reactions in patients with IgE-mediated food allergies.

Clinical Implications

The successful use of omalizumab in this case suggests that it may be a viable treatment option for managing severe asthma and food allergies in pediatric liver transplant recipients. Clinicians should consider the potential benefits of omalizumab in similar patients, especially those experiencing life-threatening allergic reactions.

Conclusion

This case underscores the importance of recognizing and treating dnPTFA and associated asthma in pediatric liver transplant recipients. Omalizumab may offer a promising therapeutic avenue for improving patient outcomes in this challenging population.

Related Resources & Content

  1. Frontiers in Immunology, 2026 -- From anaphylaxis to eosinophilic esophagitis during omalizumab treatment in a boy with severe asthma and food allergy: a case report
  2. the new gastroenterologist, 2025 -- Eosinophilic esophagitis: A year in review
  3. Frontiers in Pediatrics, 2026 -- Case Report: Atypical pediatric allergic bronchopulmonary aspergillosis masquerading as recurrent pneumonia
  4. Frontiers in Immunology, 2026 -- BFJPM ameliorates OVA-induced food allergy in a murine model accompanied by gut microbiota remodeling
  5. De novo Food Allergy After Pediatric Liver Transplantation: A Systematic Review - PMC
  6. FDA, 2024 -- FDA Approves First Medication to Help Reduce Allergic Reactions to Multiple Foods After Accidental Exposure
  7. De novo Food Allergy After Pediatric Liver Transplantation: A Systematic Review - PMC
  8. FDA Approves First Medication to Help Reduce Allergic Reactions to Multiple Foods After Accidental Exposure | FDA
  9. COPYRIGHTED MATERIAL - DO NOT COPY OR DISTRIBUTE

Original Source(s)

Related Content