PEDIATRICS Vol. 104 No. 2 Supplement August 1999, pp. 393
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Purpose of the Study Zileuton, a leukotriene pathway inhibitor, was compared with slowly absorbed theophylline in a randomized, double-blind study of patients with chronic asthma. The primary efficacy measure was improvement in forced expiratory volume in 1 second (FEV1).
Study Population Eligibility criteria included FEV1 of 40% to 80% of predicted, documented reversibility of airway disease, and age 18 to 60 years.
Methods
Initially, the theophylline dosage was