Now Available: Final Rule for FDAAA 801 and NIH Policy on Clinical Trial Reporting

MK0476 Study in Adult Patients With Perennial Allergic Rhinitis (0476-397)(COMPLETED)

This study has been completed.
Information provided by (Responsible Party):
Merck Sharp & Dohme Corp. Identifier:
First received: October 10, 2008
Last updated: April 21, 2015
Last verified: April 2015
A clinical study evaluates the efficacy and safety of MK0476 in adult patients with Perennial Allergic rhinitis.

Condition Intervention Phase
Rhinitis, Allergic
Drug: montelukast sodium
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Parallel Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: MK0476 Phase III Long-term Study -Perennial Allergic Rhinitis-

Resource links provided by NLM:

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

Primary Outcome Measures:
  • Any clinical or laboratory adverse experience [ Time Frame: 12 weeks ] [ Designated as safety issue: Yes ]

Secondary Outcome Measures:
  • The daily mean of the composite nasal symptoms score at each of biweekly visits during the treatment period (average over the previous 2 weeks) or at time of termination [ Time Frame: 12 weeks ] [ Designated as safety issue: No ]

Enrollment: 120
Study Start Date: September 2004
Study Completion Date: February 2005
Primary Completion Date: February 2005 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: 1
MK0476 5mg
Drug: montelukast sodium
Arm 1: montelukast tablet 5 mg, QD. Treatment period is 12-weeks. Arm 2: montelukast tablet 10 mg, QD. Treatment period is 12-weeks.
Other Name: Singulair
Experimental: 2
MK0476 10mg
Drug: montelukast sodium
Arm 1: montelukast tablet 5 mg, QD. Treatment period is 12-weeks. Arm 2: montelukast tablet 10 mg, QD. Treatment period is 12-weeks.
Other Name: Singulair


Ages Eligible for Study:   15 Years and older   (Child, Adult, Senior)
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Adult Patients With Perennial Allergic Rhinitis

Exclusion Criteria:

  • Patients Who Have Nasal Diseases (E.G., Nasal Polyp, Septonasal Arcuation, Hypertrophic Rhinitis), Upper Respiratory Infection, Sinusitis, Infectious Rhinitis And Those Disease Severe Enough To Interfere With Assessment Of Effectiveness
  • Patients Who Have Rhinitis Medicamentosa, Or Nonallergic Rhinitis (E.G., Vasomotor Rhinitis, Eosinophilia Rhinitis)
  • 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: NCT00771160

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

Additional Information:
Responsible Party: Merck Sharp & Dohme Corp. Identifier: NCT00771160     History of Changes
Other Study ID Numbers: 0476-397  2008_553 
Study First Received: October 10, 2008
Last Updated: April 21, 2015
Health Authority: Japan: Pharmaceuticals and Medical Devices Agency

Additional relevant MeSH terms:
Rhinitis, Allergic
Rhinitis, Allergic, Perennial
Nose Diseases
Respiratory Tract Diseases
Respiratory Tract Infections
Otorhinolaryngologic 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 December 09, 2016