This book is an educational text and guide for the use and properties of key polymeric excipients in the area of 3D printing in drug development. It is written by both industry experts and academic researchers. The particular focus is on hot melt extrusion and the extruded filaments suitable for optimizing the 3D printing in drug development. 3D Printing Polymeric Excipients, Technology, and Drug Formulation Development covers regulatory aspects as well as the manufacturing aspects.