Market for advanced drug delivery systems has undergone a period of innovation and significant expansion over the past decade.In this context worldwide market for transmucosal products is in excess of five billion annually and is expected to continue to grow at a rapid pace.Hence transmucosal drug delivery holds lot of promise in the coming era. Amongst various transmucosal routes buccal region of the oral cavity has got optimal attributes for transmucosal and modified drug delivery and has lot of promise and commercial viability.Present work encompasses development of extended release...