Resumen: Emphasizing an integrated clinical and engineering approach, this book explores the FDA regulatory and bioethical challenges involved in advancing drug delivery. It examines special clinical states requiring innovative drug delivery modifications, such as hypercoagulability often seen in pregnancy, cancer, and autoimmune diseases. It discusses methods for improved drug delivery in clinical settings using clinical end points, clinical trials, simulations, and other venues. It also describes the latest drug delivery advances involving nanomaterials, NEMS and MEMS devices, hydrogels, microencapsulation, lipids, stem cells, patches, ultrasound, and more.