The US Drug Delivery Systems Market Size is anticipated to reach USD 27.68 Billion by 2035, Growing at a CAGR of 4.51% from 2025 to 2035. The market size growth is attributed to the increasing prevalence of chronic diseases such as diabetes, epilepsy, cancer, COPD, etc., rising focus on formulation research and development studies, and growing need for targeted therapies for the effective treatment of the diseases.