AZELASTINE-CONTAINING MEDICAMENTS WITH CONTROLLED RELEASE OFTHE ACTIVE SUBSTANCE

摘要

Azelastine-containing drug formulations with controlled release of the active substance using a sustained release component whereby 0.001 to 800 parts of sustained release component are used per one part by weight of azelastine (calculated as base) and the azelastine may also be present in the form of its physiologically acceptable salts and the release rate of azelastine is between 0.05 and 5 mg per hour.