The course unit of Medicinal and Toxicological Chemistry 1 provides formative and informative criteria suitable for the study of drugs describing not only chemical and biological aspects but also the therapeutical uses. A preliminary part of the course unit is used to outline the general medicinal chemistry which represents the groundwork of course and deals with the drug design and development based on pharmacodynamic and pharmacokinetic principles. A second part of the course includes a sistematic component encompassing the study of chemotherapy and hormonotherapy.