Long-term Use of Proton Pump Inhibitors for Eosinophilic Esophagitis

A prospective pediatric eosinophilic esophagitis (EoE) study (C Gutierrez-Junquera et al. JPGN 2018; 67: 210-6) examines the use of proton pump inhibitors (PPIs) for long-term management for this disorder.

After diagnosis of EoE, children received esomeproazole (1 mg/kg/dose BID).  For those with a response (<15 eos/hpf), they were maintained on 1 mg/kg/day for one year.

Key findings:

  • Of the initial cohort of 109, 72 (66%) had response to esomeprazole.
  • 57 of these responders were subsequently followed in this study.  At the lower daily esomeprazole dose, 70.1% (n=40) continued with <15 eos/hpf and 29.9% (n=17) had relapse.
  • Maintaining response was more common among those who achieved an initial response (with BID esomeprazole) of <5 eos/hpf compared to those who had achieved an initial response of 6-14 eos/hpf.  At 1 year, in those with who had a more complete response, 81% maintained eosinophil count <15/hpf compared with only 50% in those with a lesser initial response.
  • Adverse events with prolonged treatment were uncommon and included self-resolving diarrhea in three, headache in one and urticaria in one; the latter two adverse effects responded to change to lansoprazole

My takes: 

  1. PPI treatment is effective in probably 40-50% of individuals with EoE (though higher response in this study)
  2. Some individuals need higher doses of PPIs
  3. Due to the high response rate, this underscores the need to diagnose EoE prior to using PPIs or after they have been discontinued.

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