ChEBI: Tranilast is an amidobenzoic acid that is anthranilic acid in which one of the anilino hydrogens is replaced by a 3,4-dimethoxycinnamoyl group. It has a role as an anti-asthmatic drug, a nephroprotective agent, an anti-allergic agent, a calcium channel blocker, an antineoplastic agent, an aryl hydrocarbon receptor agonist and a hepatoprotective agent. It is a member of cinnamamides, a dimethoxybenzene, an amidobenzoic acid and a secondary carboxamide. It is functionally related to an anthranilic acid.