Clinical pharmacology is a medical discipline concerned with the study of drugs and their effect on humans. It is involved in the understanding of drug interaction, therapeutic efficacy and safety in humans. It is a translational discipline underpinned by science of pharmacology, which is involved in the observational and experimental assessment of effects and disposition of drugs in humans. The fundamental goal of clinical pharmacology is to produce data for optimum utilization of drugs. There are various branches that fall under the domain of clinical pharmacology. These include pharmacodynamics, pharmacokinetics, rational prescribing, toxicology, drug interactions, drug development, molecular pharmacology and pharmacogenomics. This book unfolds the innovative aspects of clinical pharmacology which will be crucial for the progress of this field in the future. Also included herein is a detailed explanation of the various concepts and applications of this field of study. This book will serve as a valuable source of reference for graduate and post graduate students.