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Esophagitis in children: an update on current pharmacotherapy
Harohalli Shashidhar1, Vasundhara Tolia
1Elliot Hospital, New Hampshire Hospital for Children, Pediatric Gastroenterology and Nutrition , Manchester, NH 03109 , USA hshashidhar@elliot-hs.org.
Insights
Proton pump inhibitors effectively treat reflux esophagitis in children but do not improve reflux symptoms in infants. Eosinophilic esophagitis and reflux esophagitis share features, with proton pump inhibitors potentially acting beyond acid suppression.
Area of Science:
- Pediatric Gastroenterology
- Immunology
- Pharmacology
Background:
- Esophagitis in children has diverse causes and complex mechanisms.
- Understanding of esophagitis pathogenesis and treatment is continually advancing.
Purpose of the Study:
- To review current clinical practice and research on pediatric esophagitis.
- To discuss the use, safety, and efficacy of proton pump inhibitors (PPIs) in children.
- To explore esophageal eosinophilia and the overlap between reflux and eosinophilic esophagitis.
Main Methods:
- Literature search using keywords: pediatric gastroesophageal reflux disease, eosinophilia, esophageal eosinophilia, esophagitis, eosinophilic esophagitis, proton pump inhibitors.
- Review focused on recent clinical practice and research interests.
Main Results:
- Proton pump inhibitors (PPIs) are effective for healing reflux esophagitis in all pediatric age groups.
- PPIs did not improve gastroesophageal reflux-related symptoms in infants.
- Clinical and histological overlap exists between reflux and eosinophilic esophagitis.
Conclusions:
- PPIs may have mechanisms of action beyond acid suppression in treating esophagitis.
- Further research is needed on weakly acidic/alkaline reflux, new medications, and efficacy assessment tools for eosinophilic esophagitis.
Introduction:
A common diagnostic entity in children is Esophagitis with multiple etiologies and complex immuno-pathogenic mechanisms. Our understanding of these mechanisms and of the pharmacotherapy of esophagitis is still evolving.
Areas Covered:
Areas of focus for this review were chosen based on recent clinical practice and research interest in esophagitis in infants and children. A literature search was conducted with the relevant keywords ('gastroesophageal reflux disease' in pediatric age group, 'eosinophilia', 'esophageal eosinophilia', 'esophagitis', 'eosinophilic esophagitis', 'proton pump inhibitors'). Use, safety and efficacy of proton pump inhibitors in young infants and older children, the concepts of esophageal eosinophilia and overlap of reflux and eosinophilic esophagitis are discussed here.
Expert Opinion:
Proton pump inhibitors are effective in healing reflux esophagitis in children of all ages but do not improve gastroesophageal reflux related symptoms in infants. An overlap in clinical and histological features of reflux and eosinophilic esophagitis exists, and proton pump inhibitors may exert their action in pathways other than just acid suppression. The role of weakly acidic/alkaline reflux in gastroesophageal reflux symptoms, development of newer reflux modifying medications and tools to assess efficacy of therapeutic intervention in eosinophilic esophagitis are promising areas for further research and developing knowledge.
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