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Effects of Loratadine/Montelukast vs Pseudoephedrine and Placebo in Patients With Seasonal Allergic Rhinitis (Study P04095) (COMPLETED)

Information source: Merck Sharp & Dohme Corp.
ClinicalTrials.gov processed this data on August 20, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Rhinitis, Allergic, Seasonal

Intervention: loratadine; montelukast (Drug)

Phase: Phase 3

Status: Completed

Sponsored by: Merck Sharp & Dohme Corp.

Summary

This is a Phase 3, randomized, parallel-group, multicenter, double-dummy, double-blind study with a screening period. Subjects will receive one of the following three treatment groups for 15 days: loratadine 10 mg/montelukast 10 mg combination, pseudoephedrine 240 mg, or placebo. The primary objective of this study is to assess the efficacy of the combination of loratadine/montelukast, a once-daily tablet containing 10 mg loratadine and 10 mg montelukast, compared with placebo in subjects with seasonal allergic rhinitis (SAR) in relieving the symptom of nasal congestion. The safety profile of combined loratadine/montelukast relative to placebo and pseudoephedrine will also be evaluated.

Clinical Details

Official title: Efficacy and Safety of Combination Loratadine/Montelukast QD vs Pseudoephedrine and Placebo in the Treatment of Subjects With Seasonal Allergic Rhinitis

Study design: Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment

Eligibility

Minimum age: 15 Years. Maximum age: N/A. Gender(s): Both.

Criteria:

Inclusion Criteria:

- Aged 15 years or older, of either sex and of any race.

- At least a 2-year documented history of SAR with symptoms during the study season.

- A positive skin-prick test response to seasonal

- Clinically symptomatic at Screening and at the Baseline Visits

- General good health.

- Freedom from any clinically significant disease, other than SAR, that would interfere

with the study evaluations.

- Willingness (subjects and/or a parent/guardian) to give written informed consent and

ability to adhere to dosing and visit schedules and meet study requirements.

- Negative pregnancy test

Exclusion Criteria:

- A history of anaphylaxis and/or other severe local reaction(s) to skin testing.

- Asthma requiring chronic use of inhaled or systemic corticosteroids.

- Current or history of frequent, clinically significant sinusitis or chronic purulent

postnasal drip.

- Rhinitis medicamentosa.

- A history of allergies to more than two classes of medications or allergy to or

intolerance of antihistamines, montelukast, or pseudoephedrine.

- An upper respiratory tract or sinus infection that required antibiotic therapy

without at least a 14 day washout prior to the Screening Visit, or a viral upper respiratory infection within 7 days before the Screening Visit.

- Nasal structural abnormalities, including large nasal polyps and marked septal

deviations, that significantly interfere with nasal air flow.

- Dependence (in the opinion of the investigator) on nasal, oral, or ocular

decongestants, nasal topical antihistamines, or nasal steroids.

- Narrow-angle glaucoma, increased intraocular pressure, urinary retention,

hypertension, severe coronary artery disease, ischemic heart disease, diabetes mellitus, hyperthyroidism, renal impairment, or prostatic hypertrophy, and those receiving monamine oxidase (MAO) inhibitor therapy.

- Use of any drug in an investigational protocol in the 30 days before the Screening

Visit.

- Current immunotherapy (desensitization therapy), unless on a regular maintenance

schedule prior to the Screening Visit, which should be maintained for the remainder of the study. No desensitization treatment within 24 hours before any visit.

- Requirement for chronic use of tricyclic antidepressants.

- Pregnancy or lactation.

- Family member of the investigation study staff.

- Current evidence of clinically significant hematopoietic, cardiovascular, hepatic,

renal, neurologic, psychiatric, autoimmune disease, or other disease that precludes the subject's participation in the study. Particular attention should be given to exclude subjects with conditions that would currently interfere with the absorption, distribution, metabolism, or excretion of the study drug or interfere with the subject's ability to complete or reliably complete the diary card.

- Significant medical condition(s) that, in the judgment of the investigator, might

interfere with the study or require treatment.

- Compromised ability to provide informed consent..

- A history of noncompliance with medications or treatment protocols.

Locations and Contacts

Additional Information

Starting date: March 2006
Last updated: November 10, 2014

Page last updated: August 20, 2015

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