Methods and compositions for rapid transbuccal delivery of active agents

Abstract

A method of rapid transbuccal delivery of an active agent into the bloodstream is provided. The method can include providing a pharmaceutical composition comprising the active agent, resin and a volatile solvent and, optionally, water. In some embodiments, the method achieves a Tmax 60 minutes or less, an onset of therapeutic effect of 60 minutes or less, and/or achieves therapeutic serum levels of the active agent within 60 minutes or less. Related compositions also are provided.

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