Subjects have 8-week with montelukast sodium or comparator drug administration period, 2-week wash-out period and 8-week comparator drug or the drug administration period (with cross-over design) for assessment of the drug efficacy, safety and tolerability.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
31
FEV1
AM-PEFR; daytime symptom score; treatment frequency of beta agonist; global assessment investigator's symptom assessment; Quality of Life Questionnaire for Adult Korean Asthmatics; QLQAKA
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