Supercritical Antisolvent Process for Pharmaceutical Applications: A Review

Conventional pharmaceutical formulations and modified-release drug delivery systems

The supercritical antisolvent (SAS) technique has been widely employed in the biomedical field, including drug delivery, to obtain drug particles or polymer-based systems of nanometric or micrometric size. The primary purpose of producing SAS particles is to improve the treatment of dierent pathologies and to better the patient’s compliance. In this context, many active compounds have been micronized to enhance their dissolution rate and bioavailability. Aiming for more eective treatments with reduced side eects caused by drug overdose, the SAS polymer/active principle coprecipitation has mainly been proposed to oer an adequate drug release for specific therapy. The demand for new formulations with reduced side eects on the patient’s health is still growing; in this context, the SAS technique is a promising tool to solve existing issues in the biomedical field. This updated review on the use of the SAS process for clinical applications provides useful information about the achievements, the most effective polymeric carriers, and parameters, as well as future perspectives.

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