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MK0476 Study in Adult Patients With Acute Asthma (0476-322)

This study has been completed.
Information provided by (Responsible Party):
Merck Sharp & Dohme Corp. Identifier:
First received: September 28, 2005
Last updated: May 5, 2015
Last verified: May 2015
This study evaluates the efficacy and safety of MK0476 intravenous administration in adult patients with acute asthma.

Condition Intervention Phase
Asthma Drug: montelukast sodium Drug: Comparator: Placebo Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double (Participant, Investigator)
Primary Purpose: Treatment
Official Title: MK0476 Phase II/III Placebo Controlled Double Blind Study

Resource links provided by NLM:

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

Primary Outcome Measures:
  • The Time-weighted Average of Change in Forced Expiratory Volume in One Second (FEV1) [ Time Frame: baseline over the first 60 minutes ]
    The Time Weighed Average Changes in Forced Expiratory Volume in One Second (FEV1) from pre-allocation baseline over the first 60 minutes after study drug administration with time interval between any measurement and the measurement prior to it is used as the weighting factor

Enrollment: 225
Study Start Date: September 2005
Study Completion Date: June 2007
Primary Completion Date: October 2006 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: 1
Drug: Comparator: Placebo
Placebo single injection
Experimental: 2
MK0476 7 mg injection
Drug: montelukast sodium
7 mg or 14 mg single injection
Experimental: 3
MK0476 14 mg injection
Drug: montelukast sodium
7 mg or 14 mg single injection


Ages Eligible for Study:   15 Years to 65 Years   (Child, Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Adult Patients With Acute Asthma Attacks

Exclusion Criteria:

  • Patient Has Any Known Or Suspected, Acute Or Chronic Cause For Their Pulmonary Symptoms Other Than Asthma (E.G., Copd, Chronic Heart Failure, Etc.)
  • Patient Has A Smoking History (20 Cigarettes Per Day) Of More Than 15 Years
  • Patient Has A Disease Of The Cardiovascular, Hepatic, Renal, Hematologic Systems, Or Other Severe Disease
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00229970

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

Additional Information:
Publications automatically indexed to this study by Identifier (NCT Number):
Responsible Party: Merck Sharp & Dohme Corp. Identifier: NCT00229970     History of Changes
Other Study ID Numbers: 0476-322
Study First Received: September 28, 2005
Results First Received: May 22, 2009
Last Updated: May 5, 2015

Additional relevant MeSH terms:
Bronchial Diseases
Respiratory Tract Diseases
Lung Diseases, Obstructive
Lung Diseases
Respiratory Hypersensitivity
Hypersensitivity, Immediate
Immune System Diseases
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 processed this record on August 18, 2017