Eosinophilic esophagitis
ICD-10 K20.0 · ICD-11 DA24.1

Eosinophilic Esophagitis: What to Do When Initial Anti-Inflammatory Treatment Fails

This protocol addresses patients with eosinophilic esophagitis who have completed an adequate initial anti-inflammatory trial and did not achieve the required clinical and histologic response endpoints.

Clinical Scenario

Response to first-line therapy was assessed at 8–12 weeks by endoscopy with biopsies. The patient did not reach all three required response criteria: histologic response (esophageal eosinophil count <15 eos/hpf), endoscopic improvement (EREFS ≤2), and symptomatic improvement of esophageal dysfunction. Non-achievement of these targets triggers escalation to the next treatment line.

First-Line Therapy That Did Not Achieve Goals

The prior regimen comprised one of the following: a high-dose proton pump inhibitor (PPI), swallowed topical corticosteroids (budesonide or fluticasone propionate), or an empiric food elimination diet beginning with a less-restrictive approach and escalated as needed. The required histologic, endoscopic, and symptomatic response targets were not met at the 8–12 week reassessment.

Next-Line Approach

For patients nonresponsive to the prior regimen, the next step involves a weight-based subcutaneous biologic agent and/or modification of the dietary or pharmacologic strategy — with the goal of achieving histologic remission (≤6 eos/hpf), reassessed at 12–24 weeks.

The full agent selection criteria, dosing schedules, sequencing algorithm, and dietary escalation details are available in the complete structured protocol.

Instant Access to Structured Evidence-Based Regimens

References

DOI: 10.14309/ajg.0000000000003194

We suggest dupilumab as a treatment for EoE in individuals 12 years of age or older who are nonresponsive to PPI therapy.

We suggest dupilumab as a treatment for EoE in pediatric patients (ages 1–11 years) who are nonresponsive to PPI therapy.

If there is nonresponse to pharmacologic treatment, dupilumab could be considered, and if there is nonresponse to dietary elimination, a more-restrictive diet could be considered or the patient could switch to pharmacologic options; clinical trials can also be considered for nonresponsive patients.

For dupilumab, the timing may range between 12 and 24 weeks based on clinical trial findings.

The coprimary endpoints were histologic remission, defined as ≤6 eos/hpf, and the absolute change from baseline in dysphagia frequency and severity, as measured by the validated Dysphagia Symptom Questionnaire.

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