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

MK0476 Phase II/III Placebo Controlled Double Blind Study

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00229970
Enrollment
225
Registered
2005-09-30
Start date
2005-09-30
Completion date
2007-06-30
Last updated
2022-02-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Asthma

Brief summary

This study evaluates the efficacy and safety of MK0476 intravenous administration in adult patients with acute asthma.

Interventions

DRUGmontelukast sodium

7 mg or 14 mg single injection

DRUGComparator: Placebo

Placebo single injection

Sponsors

Organon and Co
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
15 Years to 65 Years
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

Design outcomes

Primary

MeasureTime frameDescription
The Time-weighted Average of Change in Forced Expiratory Volume in One Second (FEV1)baseline over the first 60 minutesThe 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

Participant flow

Recruitment details

Phase III. Studied period: September 12, 2005 (date study drug was first administered to first patient) to October 23, 2006 (date study drug was last administered to last patient). Study was conducted at 64 clinical sites.

Pre-assignment details

Patients with acute exacerbation of bronchial asthma received standard treatments of inhaled β-agonist or oxygen inhalation to treat the acute exacerbations during the 60 minutes in the screening period before the study randomization.

Participants by arm

ArmCount
Montelukast 7 mg
Montelukast 7 mg Intravenous Administration
78
Montelukast 14 mg
Montelukast 14 mg Intravenous Administration
72
Placebo
Placebo Intravenous Administration
75
Total225

Baseline characteristics

CharacteristicMontelukast 7 mgMontelukast 14 mgPlaceboTotal
Age, Continuous40.5 years
STANDARD_DEVIATION 12.5
41.5 years
STANDARD_DEVIATION 13.1
42.3 years
STANDARD_DEVIATION 12.5
41.4 years
STANDARD_DEVIATION 12.7
Asthma Attack Severity based on Asthma Prevention and Management Guideline 2003, Japan
Mild
54 participants44 participants56 participants154 participants
Asthma Attack Severity based on Asthma Prevention and Management Guideline 2003, Japan
Moderate
23 participants28 participants19 participants70 participants
Asthma Attack Severity based on Asthma Prevention and Management Guideline 2003, Japan
Serious
0 participants0 participants0 participants0 participants
Asthma Attack Severity based on Asthma Prevention and Management Guideline 2003, Japan
Severe
1 participants0 participants0 participants1 participants
Baseline Forced Expiratory Volume in One Second (FEV1)1.67 Liter
STANDARD_DEVIATION 0.55
1.62 Liter
STANDARD_DEVIATION 0.59
1.76 Liter
STANDARD_DEVIATION 0.61
1.68 Liter
STANDARD_DEVIATION 0.58
Duration of Asthma18.7 Years
STANDARD_DEVIATION 11.5
15.46 Years
STANDARD_DEVIATION 11.6
17.7 Years
STANDARD_DEVIATION 11.7
17.3 Years
STANDARD_DEVIATION 11.6
Sex: Female, Male
Female
41 Participants34 Participants36 Participants111 Participants
Sex: Female, Male
Male
37 Participants38 Participants39 Participants114 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —
other
Total, other adverse events
23 / —11 / —13 / —
serious
Total, serious adverse events
2 / —4 / —4 / —

Outcome results

Primary

The Time-weighted Average of Change in Forced Expiratory Volume in One Second (FEV1)

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

Time frame: baseline over the first 60 minutes

Population: Last observed value during the 60 minutes treatment period was used in the Full Analysis Set (FAS)

ArmMeasureValue (LEAST_SQUARES_MEAN)
Montelukast 7 mgThe Time-weighted Average of Change in Forced Expiratory Volume in One Second (FEV1)0.09 Liter
Montelukast 14 mgThe Time-weighted Average of Change in Forced Expiratory Volume in One Second (FEV1)0.17 Liter
PlaceboThe Time-weighted Average of Change in Forced Expiratory Volume in One Second (FEV1)0.01 Liter
p-value: 0.02295% CI: [0.01, 0.16]ANCOVA
p-value: <0.00195% CI: [0.09, 0.24]ANCOVA

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026