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- Title
Counter‐intuitive discovery in the formulation of poorly water‐soluble drugs: Amorphous small‐molecule gels.
- Authors
Shu, Yecheng; Zhao, Peixu; Li, Xin; Shi, Xianbao; Fu, Qiang
- Abstract
Amorphous strategies have been extensively used in improving the dissolution of insoluble drugs for decades due to their high free energy. However, the formation of amorphous small‐molecule gels (ASMGs) presents a counter‐intuitive discovery that significantly limits their practical application. Recently, ASMGs have garnered attention because of their noncovalent structures, excellent biodegradability, and significant potential in various drug delivery systems in the pharmaceutical field. Hence, a comprehensive review is necessary to contribute to a better understanding of recent advances in ASMGs. This review aimed to introduce the main formation mechanisms, summarize possible influencing factors, generalize unique properties, outline elimination strategies, and discuss clinical application potential with preclinical cases of ASMGs. Moreover, few ASMGs are advanced to clinical stages. Intensive clinical research is needed for further development. We hope that this review can provide more efficient and rational guidance for exploring further clinical applications of ASMGs. Highlights: A comprehensive overview of formation mechanisms is proposed in this review.Influencing factors on gel structures and effects on drug release are overviewed.Pharmaceutical strategies to eliminate undesirable gels are summarized.The clinical potential of various gel drug delivery systems is discussed.Challenges and perspectives are proposed for amorphous small‐molecule gels.
- Subjects
DRUG delivery systems; DRUG solubility; CLINICAL medicine; MEDICAL research; PHARMACODYNAMICS
- Publication
Medicinal Research Reviews, 2024, Vol 44, Issue 6, p2624
- ISSN
0198-6325
- Publication type
Academic Journal
- DOI
10.1002/med.22060