Trial of Montelukast in Eosinophilic Esophagitis

This study has been completed.
Merck Sharp & Dohme Corp.
Information provided by (Responsible Party):
Jeffrey A Alexander, Mayo Clinic Identifier:
First received: August 1, 2007
Last updated: November 2, 2015
Last verified: November 2015

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.

Condition Intervention Phase
Eosinophilic Esophagitis
Drug: Montelukast/ Singulair
Drug: Placebo
Phase 1

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Single Group Assignment
Masking: Double Blind (Subject, Caregiver, Investigator)
Primary Purpose: Treatment
Official Title: A Randomized Placebo-Controlled Trial of Montelukast in Maintenance Therapy of Asymptomatic Eosinophilic Esophagitis

Resource links provided by NLM:

Further study details as provided by Mayo Clinic:

Primary Outcome Measures:
  • evaluate effectiveness of oral montelukast in treatment of EE. [ Time Frame: 6 months ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • evaluate safety of montelukast in eosinophilic esophagitis [ Time Frame: 6 months ] [ Designated as safety issue: Yes ]

Enrollment: 41
Study Start Date: August 2007
Study Completion Date: September 2015
Primary Completion Date: September 2015 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Drug
20 mg montelukast daily for 6 months
Drug: Montelukast/ Singulair
20 mg daily for six months
Other Name: Singulair
Placebo Comparator: Placebo
20 mg daily placebo
Drug: Placebo
Placebo 20 mg daily for 6 months

Detailed Description:
We will randomize in a double blind manner 60 consecutive consenting patients being evaluated at the three Mayo Clinic Medical Centers with EE to montelukast 20mg daily or placebo daily for six months? time. Patients will be in remission after treatment with topical fluticasone therapy before enrollment. Patients will fill out a validated dysphagia and side effect questionnaire before, during, and at the end of therapy.

Ages Eligible for Study:   18 Years to 100 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • 18 years of age or older
  • > 14 eosinophils / hpf on biopsies from mid esophagus within the 6 months.
  • Abnormal dysphagia questionnaire (Question 1a yes, question 1c >/= mild and question 2 >/= less than once a week) prior to topical steroid treatment. This questionnaire has recently been validated.
  • Normal dysphagia questionnaire after topical steroid treatment (Having an answer of no to question 1a: Have you had trouble swallowing, not associated with other cold symptoms? over the past two weeks since having completed the swallowed steroid treatment).
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Please refer to this study by its identifier: NCT00511316

United States, Minnesota
Mayo Clinic
Rochester, Minnesota, United States, 55905
Sponsors and Collaborators
Mayo Clinic
Merck Sharp & Dohme Corp.
Principal Investigator: Jeffrey A. Alexander, M.D. Mayo Clinic
  More Information

Additional Information:
No publications provided

Responsible Party: Jeffrey A Alexander, Principal Investigator, Mayo Clinic Identifier: NCT00511316     History of Changes
Other Study ID Numbers: 06-003373
Study First Received: August 1, 2007
Last Updated: November 2, 2015
Health Authority: United States: Institutional Review Board

Additional relevant MeSH terms:
Eosinophilic Esophagitis
Digestive System Diseases
Esophageal Diseases
Gastrointestinal Diseases
Hematologic Diseases
Hypersensitivity, Immediate
Immune System Diseases
Leukocyte Disorders
Anti-Asthmatic Agents
Hormone Antagonists
Hormones, Hormone Substitutes, and Hormone Antagonists
Leukotriene Antagonists
Pharmacologic Actions
Physiological Effects of Drugs
Respiratory System Agents
Therapeutic Uses processed this record on November 27, 2015