Abstract
Regenerative medicine is defined as an advanced medicine technology to enhance the natural-healing potential of body itself. The natural-healing potential is based on the cell ability for proliferation and differentiation. This cell-based regenerative medicine can be achieved only by enhancing the cell ability. Regenerative medicine is composed of two scientific fields, regenerative therapy and stem cell biology (regenerative research) which scientifically supports the therapy of next generation. For both the fields, it is practically indispensable to develop controlled release technology which can create the local environment of cells to enhance their tissue regeneration activity. This paper introduces the definition of drugs and their large contribution to advanced medicine.
