Pharmaceutical Cocrystals: New Solid Phase Modification Approaches for the Formulation of APIs
Anna Karagianni1, Maria Malamatari2, Kyriakos Kachrimanis3
1Department of Pharmaceutical Technology, Aristotle University of Thessaloniki, 54351 Thessaloniki, Greece. karagiak@pharm.auth.gr.
Abstract:
Cocrystals can be used as an alternative approach based on crystal engineering to enhance specific physicochemical and biopharmaceutical properties of active pharmaceutical ingredients (APIs) when the approaches to salt or polymorph formation do not meet the expected targets. In this article, an overview of pharmaceutical cocrystals will be presented, with an emphasis on the intermolecular interactions in cocrystals and the methods for their preparation. Furthermore, cocrystals of direct pharmaceutical interest, along with their in vitro properties and available in vivo data and characterization techniques are discussed, highlighting the potential of cocrystals as an attractive route for drug development.
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