Overview Trial of Montelukast in Eosinophilic Esophagitis Status: Completed Trial end date: 2015-09-01 Target enrollment: Participant gender: Summary Evaluate clinical effectiveness of oral montelukast compared to placebo on prevention of dysphagia and food impaction in patients with EE. Also evaluate tolerance and safety of oral montelukast in treatment of EE. Phase: Phase 1 Details Lead Sponsor: Mayo ClinicCollaborator: Merck Sharp & Dohme Corp.Treatments: Montelukast