Abstract: In preferred embodiments this invention provides a pharmaceutical composition and a method for the treatment of allergic conjunctivitis or allergic rhinitis. The composition is an aqueous solution containing N-(3,4-dimethoxycinnamoyl)anthranilic acid or a pharmaceutically acceptable salt thereof as an active ingredient. The composition additionally contains as essential components polyvinylpyrrolidone, a basic compound and a surface active agent in prescribed quantities, and the composition has a pH of about 6.5-8.5.
Type:
Grant
Filed:
April 3, 1991
Date of Patent:
October 18, 1994
Assignees:
Kissei Pharmaceutical Co. Ltd., Nitten Ophthalmic Research Institute Company