This book presents the evolution, challenges, and opportunities in the field of drug delivery. From foundational concepts to cutting-edge technologies, each chapter of Novel Drug Delivery Approaches: From Fundamentals to Advanced Carrier Systems delves into critical aspects that shape the landscape of drug delivery systems. It highlights the crucial role of translational research in bridging the gap between scientific discoveries and clinical applications. Subsequent chapters explore the diverse materials and technologies driving advancements in drug delivery, ranging from polymers and nanoparticles to colonic and intracellular delivery systems. Special emphasis is placed on specific applications and systems, including the role of metallic nanoparticles and nucleic acid-based therapeutic delivery systems. Emerging areas such as nasopulmonary and ocular drug delivery systems are thoroughly examined, uncovering challenges and opportunities in these specialized fields. Additionally, this book addresses the complexities of targeted carrier-based intracellular drug delivery, aiming to enhance treatment efficacy while minimizing toxicity. It provides insights into innovative approaches and challenges in brain drug delivery, transdermal drug therapy, and delivery systems for combating viral infections. Furthermore, this book delves into critical aspects of scaling, efficacy, safety, and regulatory considerations. This book caters to researchers in biomedical sciences, pharmaceutical sciences, and biotechnology. Key Features Offers an extensive examination of drug delivery, spanning foundational concepts to the latest advancements Provides insights into a diverse array of materials and technologies driving drug delivery advancements Explores insights into potential future trends and innovations of nasopulmonary and ocular drug delivery systems Highlights colonic drug delivery for gastrointestinal treatments and the use of nanoparticles for intracellular delivery Discusses quality by design (QbD) approaches in designing novel drug delivery systems and the scale-up technologies for nanomedicine