An Investigational Drug Study to Treat Respiratory Symptoms Associated With Respiratory Syncytial Virus (RSV) Bronchiolitis (0476-272)
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT00076973 |
Recruitment Status :
Completed
First Posted : February 16, 2004
Last Update Posted : February 2, 2022
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Bronchiolitis | Drug: montelukast sodium Drug: Comparator: placebo | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 1125 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Double (Participant, 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 |
Study Start Date : | August 2003 |
Actual Primary Completion Date : | June 2006 |
Actual Study Completion Date : | October 2006 |

- Drug: montelukast sodium
Duration of Treatment: 6 monthsOther Name: MK0476
- Drug: Comparator: placebo
Duration of Treatment: 6 months
- Percentage of Symptom-Free Days
- Percentage of Patients with Exacerbations and Percentage of Bronchiolitis-Free Days

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Ages Eligible for Study: | 3 Months to 24 Months (Child) |
Sexes Eligible for Study: | All |
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.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00076973
Study Director: | Medical Monitor | Merck Sharp & Dohme LLC |

Publications:
Responsible Party: | Organon and Co |
ClinicalTrials.gov Identifier: | NCT00076973 |
Other Study ID Numbers: |
0476-272 Formerly 0112BRS MK0476-272 2004_098 |
First Posted: | February 16, 2004 Key Record Dates |
Last Update Posted: | February 2, 2022 |
Last Verified: | February 2022 |
RSV Bronchiolitis |
Bronchiolitis Signs and Symptoms, Respiratory Bronchitis Respiratory Tract Infections Infections Bronchial Diseases Respiratory Tract Diseases Lung Diseases, Obstructive Lung Diseases Montelukast |
Anti-Asthmatic Agents Respiratory System Agents Leukotriene Antagonists Hormone Antagonists Hormones, Hormone Substitutes, and Hormone Antagonists Physiological Effects of Drugs Cytochrome P-450 CYP1A2 Inducers Cytochrome P-450 Enzyme Inducers Molecular Mechanisms of Pharmacological Action |