Effectiveness and Safety of High- vs Low-Dose Swallowed Topical Steroids for Maintenance Treatment of Eosinophilic Esophagitis: A Multicenter Observational Study
Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association(2021)
Abstract
BACKGROUND & AIMS: Data evaluating efficacy of different doses of swallowed topical corticosteroids (STC) in the long-term management of eosinophilic esophagitis (EoE) are lacking. We assessed long-term effectiveness and safety of different STC doses for adults with EoE after achievement of histological remission. METHODS: We performed a retrospective multicenter study at five EoE referral centers (US and Switzerland). We analyzed data on 82 patients with EoE in histological remission and ongoing STC treatment with therapeutic adherence of >= 75 % (58 males; mean age at diagnosis, 37.2 +/- 14.4 years). Patients were followed for a median of 2.2 years (interquartile range [IQR], 1.0-3.8 years). We collected data from 217 follow-up endoscopy visits. The primary endpoint was time to histological relapse. RESULTS: Histological relapse occurred in 67% of patients. Relapse rates were comparable in patients taking low dose (<= 0.5 mg per day, n = 58) and high dose STC (>0.5 mg per day, n = 24) with 72 vs 54% (ns). However, histological relapse occurred significantly earlier with low dose STC (1.0 vs 1.8 years, P = .030). There was no difference regarding rates of and time to stricture formation for low vs high dose STC. Esophageal candidiasis was observed in 6% of patients (5% for low dose, 8% for high dose, ns). No dysplasia or mucosal atrophy was detected. CONCLUSION: Histological relapse frequently occurs in EoE despite ongoing STC treatment regardless of STC doses. However, relapse develops later in patients on high dose STC without an increase in side-effects. Doses higher than 0.5 mg/day may be considered for EoE maintenance treatment, but advantage over lower doses appears to be small.
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Key words
Esophagus,Long-Term Outcome,Response to Therapy,Swallowed Topical Corticosteroids,Relapse
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