Abstract: This invention provides to a method for enhancement of systemic delivery of oxybutynin by administration via the nasal route, and methods of treatment comprising intranasal administration of oxybutynin. The present invention further provides pharmaceutical compositions comprising oxybutynin and/or pharmaceutically acceptable salts thereof.
Abstract: This invention provides to a method for enhancement of delivery of bupropion by administration via the nasal route, and methods of treatment comprising intranasal administration of bupropion. The present invention further provides pharmaceutical compositions comprising bupropion and/or pharmaceutically acceptable salts thereof.