Inhibition of Allergic Reactions by Cromoglycate and by a New Anti-Allergic Drug (10-Chloro-1,4,6,9-Tetrahydro-4,6-Dioxopyrido[3,2-g]Quinoline-2,8-Dicarboxylic Acid)

Abstract

Immediate type hypersensitivity to Ascaris antigen in rhesus reactor monkeys was used to assess the pharmacologic profile of Cromolyn Na and a new inhibitor of IgE-medited lung function changes. Cutaneous reactivity to Ascaris correlated poorly with a respiratory response to the antigen. Two parameters used to measure lung function, respiratory rate increase and tidal volume decrease, were significantly altered by Cromolyn Na and compound A.