Enhancement Of The Physicochemical Properties Of Poorly Soluble Lovastatin By Co-Crystallization Techniques - In Vivo Studies
INDIAN JOURNAL OF PHARMACEUTICAL SCIENCES(2020)
摘要
To overcome the poor solubility and low bioavailability of lovastatin co-crystallization was attempted. Lovastatin co-crystals were prepared with selected co-former gallic acid by co-grinding method. Characterization was carried out through X-ray diffraction, Fourier Transform infra-red spectroscopy, differential scanning colorimetry and scanning electron microscopy. The Fourier-transform infrared spectroscopy results showed that a hydrogen bond was formed between lovastatin and gallic acid to yield a co-crystal. Micrometric properties, solubility, dissolution studies, pre-compression and post-compression properties were evaluated. Lovastatin co-crystals were formulated into conventional tablets. In vivo and stability studies were performed. Pharmacokinetic parameters and dynamic studies of the formulation were statistically analysed and a value of p<0.05 was considered to be significant. Thus physicochemical properties and bioavailability of lovastatin was improved through co-crystallization.
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关键词
Co-crystallization, micromeritic properties, bioavailability, lovastatin, in vivo studiesy
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