Issue 40, 2021

Cocrystal engineering of pharmaceutical solids: therapeutic potential and challenges

Abstract

Cocrystals are an emerging class of crystalline materials composed of two or more different molecules in the same crystal lattice that are physically connected by non-ionic and non-covalent bonds. Formulating problematic drugs into cocrystals is a pragmatic strategy to manipulate solid state properties for new drug development and product reformulation. While research on cocrystals has been undergoing rapid growth over the past two decades, successful clinical translation of cocrystals is still limited. As the pharmaceutical properties of a cocrystal are decidedly dictated by the selection of cocrystal formers and resulting crystal structure, the present review begins with an overview of the current strategies in cocrystal design and preparation, followed by the potential applications of cocrystals in medicines. The major hurdles and missing knowledge gaps hindering the translation of pharmaceutical cocrystals into commercial reality are also mentioned. Finally, perspectives of cocrystals in alternative dosage forms other than for oral use, as well as latest topics of cocrystal research are highlighted. We believe that cocrystals play an important role in future drug discovery and development, offering a new direction for optimal drug delivery, combination therapy and personalized medicines.

Graphical abstract: Cocrystal engineering of pharmaceutical solids: therapeutic potential and challenges

Article information

Article type
Highlight
Submitted
23 Jun 2021
Accepted
08 Sep 2021
First published
09 Sep 2021

CrystEngComm, 2021,23, 7005-7038

Cocrystal engineering of pharmaceutical solids: therapeutic potential and challenges

S. N. Wong, Y. C. S. Chen, B. Xuan, C. C. Sun and S. F. Chow, CrystEngComm, 2021, 23, 7005 DOI: 10.1039/D1CE00825K

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