An Investigational Drug Study to Treat Respiratory Symptoms Associated With Respiratory Syncytial Virus (RSV) Bronchiolitis

This study has been completed.
Information provided by:
Merck Sharp & Dohme Corp. Identifier:
First received: February 6, 2004
Last updated: January 21, 2010
Last verified: January 2010

The purpose of this study is to look at whether an investigational drug can treat the breathing symptoms of RSV bronchiolitis in children 3 to 24 months of age.

Condition Intervention Phase
Drug: montelukast sodium
Drug: Comparator: placebo
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Investigator)
Primary Purpose: Treatment
Official Title: A Randomized, 2-Period, Multicenter, Dble-Blind, Parallel-Group Study Comparing Effects of 2 Doses of MK0476 and Placebo in the Tx of Respiratory Symptoms Associated w/ Respiratory Syncytial Virus-Induced Bronchiolitis in Children 3 to 24 Mths

Resource links provided by NLM:

Further study details as provided by Merck Sharp & Dohme Corp.:

Primary Outcome Measures:
  • Percentage of Symptom-Free Days

Secondary Outcome Measures:
  • Percentage of Patients with Exacerbations and Percentage of Bronchiolitis-Free Days

Enrollment: 1125
Study Start Date: July 2003
Primary Completion Date: November 2006 (Final data collection date for primary outcome measure)
Intervention Details:
    Drug: montelukast sodium
    Duration of Treatment: 6 months
    Other Name: MK0476
    Drug: Comparator: placebo
    Duration of Treatment: 6 months

Ages Eligible for Study:   3 Months to 24 Months
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Hospitalized or in an urgent/emergent-care setting at least 24 hours for a first or second episode of RSV-induced bronchiolitis. Approximately twenty percent of patients will be allowed in the study with a stay of less than 24 hours but need to meet a minimum predefined Respiratory Severity Score as required by the study.

Exclusion Criteria:

  • Asthma or other wheezing disorder. The Primary Investigator will evaluate whether there are other reasons why a child may not participate.
  Contacts and Locations
Please refer to this study by its identifier: NCT00076973

Sponsors and Collaborators
Merck Sharp & Dohme Corp.
Study Director: Medical Monitor Merck Sharp & Dohme Corp.
  More Information

Responsible Party: Executive Vice President, Clinical and Quantitative Sciences, Merck Sharp & Dohme Corp Identifier: NCT00076973     History of Changes
Other Study ID Numbers: 2004_098, Formerly 0112BRS, MK0476-272
Study First Received: February 6, 2004
Last Updated: January 21, 2010
Health Authority: United States: Food and Drug Administration

Keywords provided by Merck Sharp & Dohme Corp.:
RSV Bronchiolitis

Additional relevant MeSH terms:
Signs and Symptoms, Respiratory
Bronchial Diseases
Respiratory Tract Diseases
Lung Diseases, Obstructive
Lung Diseases
Respiratory Tract Infections
Signs and Symptoms
Leukotriene Antagonists
Hormone Antagonists
Hormones, Hormone Substitutes, and Hormone Antagonists
Physiological Effects of Drugs
Pharmacologic Actions
Anti-Asthmatic Agents
Respiratory System Agents
Therapeutic Uses processed this record on April 17, 2014