The process of drug design and manufacturing has undergone a lot of change with time owing to scientific and technological advances. This book contains some path-breaking studies conducted across the world in the field of drug design and manufacturing. Topics such as formulation, conception, classification, assessment, clinical investigation of drugs, etc. have been covered within this book. It compiles contributions made by eminent scientists and researchers. It would be very useful for graduate and post graduate students pursuing pharmacology or associated fields of study.