Specialty pharmaceutical excipients manufacturing by co-processing and advanced characterization

May 26, 2026

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This article reviews the growing role of co-processed excipients in pharmaceutical manufacturing, where two or more excipients are physically combined to create multifunctional materials with enhanced flowability, compressibility, disintegration, and stability without chemical modification. Co-processed excipients improve formulation performance across a wide range of dosage forms—from direct compression tablets and ODTs to sustained-release matrices and dry powder inhalers—by improving manufacturability and end-product quality. The piece also details advanced manufacturing techniques (such as spray drying, hot-melt extrusion, and co-crystallization) and a suite of characterization tools (e.g., SEM, DSC, XRPD, FT-IR) used to ensure excipient functionality and consistency. Despite their benefits, regulatory hurdles related to the lack of standardized monographs remain a challenge to broader adoption.