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CompletedNCT00289874Updated Feb 2, 2022Results posted

Montelukast in Pediatric Allergic Asthma (0476-336)(COMPLETED)

A Phase 3 interventional study of montelukast sodium and Comparator: Placebo in Asthma, sponsored by Organon and Co. Completed. Open to participants aged 6 Years to 14 Years. Per ClinicalTrials.gov, last updated 2022-02-02.

Sponsored by Organon and Co · Phase 3, Interventional, and Treatment

Phase
Phase 3
Study type
Interventional
Enrollment
421
Allocation
Randomized
Ages
6 Years to 14 Years
Sex
All
01

Study summary

This is a 3-week study to evaluate FEV1 following treatment with drugs in persistent asthma which is also active during allergy seasons in pediatric patients with seasonal aeroallergen sensitivity.

02

Conditions studied

  • Asthma

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03

In context

Asthma

3,921 studies on the registry are indexed under Asthma; 507 are open to participants now.

This study's enrollment of 421 is above the median of 83 across 2,752 interventional studies indexed under Asthma.

Browse Asthma studies →

Lead sponsor

Organon and Co is the lead sponsor of 478 studies on the registry; none are open to participants now.

Of its 21 completed or terminated interventional studies of FDA-regulated products, 17 (81%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
6 Years to 14 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Male and female patients, ages 6 to 14 years, with persistent asthma that is also active during allergy season
  • Patients must demonstrate positive skin prick tests to seasonally relevant geographic aeroallergens

Exclusion criteria

Exclusion Criteria:

  • Patient cannot have any other acute or chronic pulmonary disorder
05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double (Participant, Investigator)
Enrollment
421 participants (actual)

Study arms

  • Experimental
    1

    montelukast

    Drug: montelukast sodium

  • Placebo comparator
    2

    placebo

    Drug: Comparator: Placebo

Interventions

  • Drugmontelukast sodium

    montelukast 5 mg chewable tablet once daily. Up to 3 weeks of treatment.

    Also known as: MK0476

  • DrugComparator: Placebo

    Placebo. Up to 3 weeks of treatment

06

What researchers measure

Primary outcomes

  1. Percent Change From Baseline in Forced Expiratory Volume in 1 Second (FEV1) at Week 3

    Percent change from baseline in FEV1, a measure of airway function, at Week 3

    Time frame: Baseline and week 3

Secondary outcomes

  1. Percent Change From Baseline in Mean Daily "as Needed" β-agonist Use Over the 3-week Treatment Period

    Percent change from baseline in average daily β-agonist use over the 3-week treatment period

    Time frame: Baseline and Week 3

07

Results

Posted Oct 1, 2010
Limitations and caveats
Safety is reported in the literature.

Participant flow

One hundred three sites in US; Prime Therapy: March 2006 to July 2007

Participant flow — Overall Study
MilestoneMontelukast 5 mgPlacebo
Started203218
Completed197210
Not completed68
Withdrew: Adverse event15
Withdrew: Lost to follow-up11
Withdrew: Protocol violation32
Withdrew: Did not meet eligibility10

Outcome measures

PrimaryPercent Change From Baseline in Forced Expiratory Volume in 1 Second (FEV1) at Week 3

Percent change from baseline in FEV1, a measure of airway function, at Week 3

Time frame:
Baseline and week 3
Reported as:
Least squares mean · Percent Change
Percent Change From Baseline in Forced Expiratory Volume in 1 Second (FEV1) at Week 3
Percent ChangeMontelukast 5 mgPlacebo
Percent Change From Baseline in Forced Expiratory Volume in 1 Second (FEV1) at Week 39.53 (7.05 to 12.01)9.15 (6.71 to 11.59)
SecondaryPercent Change From Baseline in Mean Daily "as Needed" β-agonist Use Over the 3-week Treatment Period

Percent change from baseline in average daily β-agonist use over the 3-week treatment period

Time frame:
Baseline and Week 3
Reported as:
Median · Percent Change
Percent Change From Baseline in Mean Daily "as Needed" β-agonist Use Over the 3-week Treatment Period
Percent ChangeMontelukast 5 mgPlacebo
Percent Change From Baseline in Mean Daily "as Needed" β-agonist Use Over the 3-week Treatment Period-18.88 ± 84.75-12.40 ± 53.88

Adverse events

Collected over Adverse events (AEs) were collected during the 6 week, double-blind treatment period, and up to and including 14 days after the last dose of study therapy. Non-serious events are listed at a 5% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Montelukast 5 mg—0/203 (0%)0/203 (0%)
Placebo—4/217 (1.8%)0/217 (0%)
Most frequent serious events
Most frequent serious events
EventMontelukast 5 mgPlacebo
AsthmaRespiratory, thoracic and mediastinal disorders0/2032/217
Femur fractureInjury, poisoning and procedural complications0/2031/217
OverdoseInjury, poisoning and procedural complications0/2031/217
Respiratory distressRespiratory, thoracic and mediastinal disorders0/2031/217

Baseline characteristics

Age, Continuous
Age, Continuous(years)Montelukast 5 mgPlaceboTotal
Mean10.6 ± 2.410.7 ± 2.410.6 ± 2.4
Sex: Female, Male
Sex: Female, Male(Participants)Montelukast 5 mgPlaceboTotal
Female8190171
Male122128250
Daily β-agonist use
Daily β-agonist use(Puffs/Day)Montelukast 5 mgPlaceboTotal
Mean3.01 ± 1.772.72 ± 1.682.86 ± 1.73
Forced expiratory volume in 1 second (FEV1)
Forced expiratory volume in 1 second (FEV1)(Liters)Montelukast 5 mgPlaceboTotal
Mean1.81 ± 0.571.84 ± 0.601.83 ± 0.58
08

Study locations

No study locations are listed for this record.

09

References and documents

Publications

  • Papadopoulos NG, Philip G, Giezek H, Watkins M, Smugar SS, Polos PG. The efficacy of montelukast during the allergy season in pediatric patients with persistent asthma and seasonal aeroallergen sensitivity. J Asthma. 2009 May;46(4):413-20. doi: 10.1080/02770900902847727. Erratum In: J Asthma. 2009 Oct;46(8):858. PubMed 19484680 ↗
10

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Feb 2, 2022, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT00289874
Lead sponsor
Organon and Co
Responsible party
Sponsor
First posted
Feb 10, 2006
Start date
Mar 2006
Primary completion
Jul 2007
Completion
Jul 2007
Results posted
Oct 1, 2010
Last update
Feb 2, 2022

Study contacts

Medical Monitor
study director · Merck Sharp & Dohme LLC
View the source record on ClinicalTrials.gov ↗

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