Abstract
With the recent great progress in gene technology and in chemotherapy, many hormonal drugs have been developed and offered in clinical places contributing to patients with providing the advanced hormonal therapy. Currently, about ninety hormonal drugs and more than five hundred medicinal products are clinically used in Japan. Nevertheless, due to various reasons, including technical feasibility, cost problems and regulatory issues, only limited products utilize drug delivery technology.
This article reviews the hormonal DDS products currently available in the market and also the problems or difficulties in the development of DDS products are discussed.
