3D Printing Technology in Pharmaceutical Formulation - An Overview

Three-dimensional (3D) printing technology has emerged as a transformative tool in pharmaceutical sciences, offering innovative solutions for drug development, manufacturing, and personalized medicine. This technology enables the fabrication of complex dosage forms with precise control over drug composition, geometry, and release characteristics. Various 3D printing techniques, including fused deposition modelling, stereolithography, and selective laser sintering, have been explored to produce tablets, implants, and drug delivery systems. The ability to tailor drug dosage and release profiles according to individual patient needs represents a significant advancement toward patient-centric therapy. Moreover, 3D printing facilitates rapid prototyping, reduces material wastage, and enhances formulation flexibility compared to conventional manufacturing methods. Despite its promising potential, challenges such as regulatory constraints, scalability, material limitations, and quality assurance remain critical barriers to its widespread adoption. This review highlights the principles, techniques, applications, advantages, and limitations of 3D printing in pharmaceutical sciences, while also discussing future perspectives and its role in advancing precision medicine. Overall, 3D printing holds significant promise for revolutionizing pharmaceutical manufacturing and improving therapeutic outcomes.