the therapeutic efficacy of ketotifen in the prophylactic treatment of asthmatic children and adolescents is reviewed , based on the results from 4 double-blind placebo-controlled trials involving 194 patients , 2 double-blind clemastine-controlled trials involving 86 patients , and 5 double-blind double-dummy comparative studies with disodium cromoglycate involving 136 patients .
C0004096
asthmatic
C0012694
disodium cromoglycate