This book presents a comprehensive treatment of the design of dosage forms, design of controlled and sustained administration of therapeutic agents, with a total integration of basic concepts and application of fundamental principles of pre-formulation studies. It is divided into seven chapters, ranging from pre-formulation studies and its principle factors used in the design of dosage forms to the validation methods, standard operating procedures, new product launch, process optimization, bio-availability, in-vivo evaluation are discussed in detail. Salient Features: Written in simple, concise, and easy to understand language Simple and self-explanatory figures have been judiciously added wherever necessary All recent references have been consulted for various topics to keep the students updated with the latest advancement. Each topic has been covered in a very systematic and comprehensive manner Provides a wide knowledge and information on stability testing and studies of its protocols in a very concise manner.