Pharmaceutical compositions comprising
1-(3,4-dimethoxyphenyl)-4-methyl-5-ethyl-7-methoxy-8-hydroxy-5H-2,3-benzo-
diazepine; or a pharmaceutically acceptable salt thereof. The compositions
are used for treating, preventing or delaying the onset of disorders
mediated by LTB.sub.4, TXA.sub.2 or adenosine.