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Binary Mixtures of Some Active Pharmaceutical Ingredients with Fatty Alcohols-The Criteria of Successful Eutectic Formation and Dissolution Improvement.


ABSTRACT: Pharmaceutical eutectics are solid mixtures, where the crystals of active pharmaceutical ingredients (APIs) are finely divided in the phase-separated microstructures. The size reduction makes the eutectic formation a viable option to improve the dissolution rate of the poorly soluble APIs. In the present study, ibuprofen, naproxen, and sorafenib were investigated in terms of their phase behaviors with fatty alcohols, such as tetradecanol, octadecanol, and docosanol. Among the studied APIs, only ibuprofen was able to form eutectics with the fatty alcohols, and this was in agreement with the feasibility prediction based on the van 't Hoff equation and solubility parameters. In vitro release behavior was significantly improved for the ibuprofen/octadecanol eutectic mixture, although the practical insolubility of octadecanol in water was the opposite of the outstanding hydrophilicity of usual eutectic formers. The feasibility prediction and the choice of eutectic formers in the present study will be useful in advancing the utility of the pharmaceutical eutectics.

SUBMITTER: Jin S 

PROVIDER: S-EPMC7698041 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Binary Mixtures of Some Active Pharmaceutical Ingredients with Fatty Alcohols-The Criteria of Successful Eutectic Formation and Dissolution Improvement.

Jin Songhee S   Jang Jisun J   Lee Soyeon S   Kim Il Won IW  

Pharmaceutics 20201116 11


Pharmaceutical eutectics are solid mixtures, where the crystals of active pharmaceutical ingredients (APIs) are finely divided in the phase-separated microstructures. The size reduction makes the eutectic formation a viable option to improve the dissolution rate of the poorly soluble APIs. In the present study, ibuprofen, naproxen, and sorafenib were investigated in terms of their phase behaviors with fatty alcohols, such as tetradecanol, octadecanol, and docosanol. Among the studied APIs, only  ...[more]

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