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Leukotriene receptor antagonists appear to posses additive anti-inflammatory effects to the effect of inhaled corticosteroids.
Hypothesis: Treatment with oral montelukast will lower the dose-response plateau to inhaled methacholine in patients with mild to moderate persistent asthma treated with a stable dose of inhaled corticosteroids.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Montelukast | Active Comparator | Oral montelukast 10 mg once daily for 12 weeks |
|
| Placebo | Placebo Comparator | Oral placebo once daily for 12 weeks |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Montelukast (Singulair) | Drug | 10 mg tablet once daily |
|
|
| Measure | Description | Time Frame |
|---|---|---|
| Changes from baseline in maximal FEV1 decline at the dose-response plateau | After 12 weeks of treatment |
| Measure | Description | Time Frame |
|---|---|---|
| Changes from baseline in PD20 methacholine | After 12 weeks of treatment |
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Inclusion Criteria:
Non-smoking adults with mild to moderate persistent asthma:
Documented dose-response plateau to inhaled methacholine on two occasions
Males and non-pregnant females
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Zuzana Diamant, MD, PhD | Erasmus Medical Center | Principal Investigator |
| Charlotte S Ulrik, MD, DMSc | Dept. of Heart and Lung Diseases, Hvidovre Hospital, Denmark | Principal Investigator |
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| ID | Term |
|---|---|
| D001249 | Asthma |
| ID | Term |
|---|---|
| D001982 | Bronchial Diseases |
| D012140 | Respiratory Tract Diseases |
| D008173 | Lung Diseases, Obstructive |
| D008171 | Lung Diseases |
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| ID | Term |
|---|---|
| C093875 | montelukast |
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| Placebo | Drug | Oral placebo once daily |
|
| D012130 |
| Respiratory Hypersensitivity |
| D006969 | Hypersensitivity, Immediate |
| D006967 | Hypersensitivity |
| D007154 | Immune System Diseases |