Compression Coated Tablets as Drug Delivery System (tablet in Tablet ) : a Review

Tablets are the most preferred and widely used dosage form because of their ease of administration, lower cost of manufacture, and elegance. So in this article, we describe the general characteristics, introduction,classification and formulation consideration of compression coating tablet. The compressioncoating granulation or blend can be preformulated to provide desired functionalities to the coating. The only requirement for producing the compression-coated tablet dosage form described herein is that the core material should possess the ability to flow into a die during production.In past few years, chemical entity often is first formulated as a free-flowing granulation for encapsulation within hard gelatin capsules. Very conventional ideas has been used for the deployment of the drug likewise single dosage form with API and excipient, one dosage form for only one disease etc. so duration of course and treatment of the disease maximized.So for the minimization of that there are number of innovations and new approach has been profound.