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Hot melt extrusion and prilling are gaining importance as solvent free and continuous techniques in the production of solid oral dosage forms with added value, by incorporating active compound in a molten carrier which is further solidified to form solid dispersion. This article reviews these two techniques in terms of understanding process basics, equipment characteristics, required properties of processed materials and application of the processes for development of solid oral dosage forms. Studies revealed that both hot-melt extrusion and prilling are regarded as simple, robust and continuous methods for processing different types of materials and production of solid dosage forms based on solid matrices. However, understanding of their concepts and requirements together with careful material selection is crucial for stable material processing and obtaining stable products of high-quality. Hot-melt extrusion proved to be a suitable method for production of modified release dosage forms, taste masked dosage forms and dosage forms offering improved drug dissolution rate and solubility. Prilling till now has been successfully applied just in the production of multiple unit drug delivery systems for immediate and sustained drug delivery. Further studies on product development and process understanding are required for full implementation of prilling in the pharmaceutical field.

makedonsko farmacevtski bilten/makedonski farmacevtski bilten

Hot-melt extrusion and prilling as contemporary and promising techniques in the solvent free production of solid oral dosage forms, based on solid dispersions