This study will attempt to find out if the addition of an intravenous form of a drug that is already used for treating asthma in children will help resolve asthma attacks faster than using the current standard care alone.
The duration of treatment is a one time dose.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
276
Montelukast IV 5.25 mg lyophilized (reconstituted in 20 mL of 3.3% dextrose/0.3% sodium chloride) for a study approximately 120 minutes in duration
Pbo for a study approximately 120 minutes in duration
Improvement in FEV1 (Forced Expiratory Volume in 1 Second) Over the First 60 Minutes After Administration
Improvement in FEV1 as the time-weighted average change from baseline over 60 minutes following the end of study drug administration. Time-weighted average of the changes from baseline obtained over the 60 minutes (at 60, 45, 30 and 15) with the time interval between any measurement and the measurement prior to it used as the weighting factor.
Time frame: Baseline and (time weighted average over) 60 Minutes
Change From Baseline in Modified Pulmonary Index [mPI] Score
Change from baseline in modified pulmonary index \[mPI\] score assessed 60 minutes following the end of study drug administration. mPI questionnaire scores each component on a scale of 0 to 3 (low to high) with a total possible score of 12. The components are respiratory rate, wheezing, prolongation of expiration (Inspiratory:Expiratory ratio), and accessory muscle use.
Time frame: Baseline and 60 minutes
Number of Participants With Treatment Failure (Hospitalization or Time to Decision to Discharge > 2 Hours)
Treatment Failure is defined as a.) patients who required hospitalization, or b.) patients for whom a decision to discharge home has not been reached by 2 hours following the end of study drug administration.
Time frame: 120 minutes
Time-Weighted Average Change in FEV1 Over 45 Minutes Following the End of Study Drug Administration
Improvement in FEV1 as time-weighted average change from baseline over 45 minutes following the end of study drug administration: Time-weighted average of the changes from baseline obtained over the 45 minutes (at 45, 30 and 15) with the time interval between any measurement and the measurement prior to it used as the weighting factor.
Time frame: Baseline and (time-weighed average over) 45 Minutes
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Time-Weighted Average Change in FEV1 Over 30 Minutes Following the End of Study Drug Administration
Improvement in FEV1 as the time-weighted average change from baseline over 30 minutes following the end of study drug administration. Time-weighted average of the changes from baseline obtained over the 30 minutes (at 30 and 15) with the time interval between any measurement and the measurement prior to it used as the weighting factor.
Time frame: Baseline and (time-weighted average over) 30 Minutes
Change in FEV1 After 15 Minutes Following the End of Study Drug Administration
Improvement in FEV1 as the time-weighted average change from baseline over the first 15 minutes following the end of study drug administration. Change = 15 minutes value minus Baseline value
Time frame: Baseline and 15 Minutes
Total Dose of β-agonist Administered Per Patient Over a Period of 2 Hours Following the End of Study Drug Administration
Median total dose of β-agonist administered per patient over a period of 2 hours following the end of study drug administration.
Time frame: 120 minutes