Effects of montelukast (MK-0476), a new potent cysteinyl leukotriene (LTD4) receptor antagonist, in patients with chronic asthma

Theodore F. Reiss, Leonard C. Altman, Paul Chervinsky, Againdra K. Bewtra, William E. Stricker, Gertrude P. Noonan, Sudeep Kundu, Ji Zhang

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Abstract

Background: Cysteinyl leukotrienes mediate signs and symptoms of asthma. In a double-blind, placebo-controlled, crossover study, a new potent and specific cysteinyl leukotriene (LTD4) receptor antagonist, montelukast (MK-0476), was evaluated for tolerability and clinical efficacy in patients with chronic asthma (receiving and not receiving inhaled corticosteroids). Methods: Twenty-nine nonsmoking patients with asthma (15 treated concomitantly with inhaled corticosteroids) with FEV1 percent predicted values between 50% to 80% received MK-0476, 200 mg, or placebo three times daily for 101/3 days (31 doses) in a random, crossover manner, after a 2-week, open, baseline period. Comparisons in FEV1 (mean percent change from baseline after the first and last dose), mean daily daytime asthma and nocturnal awakening scores, and mean daily β-agonist use were made between treatment periods. Results: Montelukast, compared with placebo, caused improvements in FEV1 (mean percentage point difference of the percentage change from baseline) 3 and 4 hours after dosing on day 1 (hour 3, 9.0%; 95% confidence interval [CI] 0.53, 18.72; hour four, 10.9%; 95% CI - 0.25, 20.20) and day 11 (hour 3, 14.0%; 95% CI 0.76, 31.43; hour 4, 13.4%; 95% CI 1.24, 28.83). Reductions were observed in mean daily β-agonist use (1.0 puff/day [95% CI -1.61, -0.26]), mean daytime symptom scores, and nocturnal awakenings over the 101/3 day treatment period. There were no important differences between the groups receiving and those not receiving inhaled corticosteroids. Montelukast was well tolerated with no serious clinical adverse events reported. Conclusions: In this study Montelukast, 200 mg, administered three times daily for 101/3 days, compared with placebo, was generally well tolerated and resulted in significant improvement in chronic asthma, irrespective of the presence of inhaled corticosteroids.

Original languageEnglish
Pages (from-to)528-534
Number of pages7
JournalJournal of Allergy and Clinical Immunology
Volume98
Issue number3
StatePublished - 1996

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All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Immunology

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Reiss, T. F., Altman, L. C., Chervinsky, P., Bewtra, A. K., Stricker, W. E., Noonan, G. P., Kundu, S., & Zhang, J. (1996). Effects of montelukast (MK-0476), a new potent cysteinyl leukotriene (LTD4) receptor antagonist, in patients with chronic asthma. Journal of Allergy and Clinical Immunology, 98(3), 528-534.