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Updated: May 23, 2026
09:15
Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles
Published on: November 10, 2017
Ezetimibe
Maria L A D Lestari1, Febry Ardiana, Gunawan Indrayanto
1Faculty of Pharmacy, Airlangga University, Dharmawangsa Dalam, Surabaya, Indonesia.
Summary
Ezetimibe effectively lowers low-density lipoprotein cholesterol. This study details its crystal forms, polymorphism, and impurity analysis using X-ray diffraction and thermal methods.
Area of Science:
- Pharmaceutical Chemistry
- Solid-State Chemistry
Background:
- Ezetimibe is a key therapeutic agent for hypercholesterolemia.
- Understanding its solid-state properties is crucial for drug formulation and efficacy.
Purpose of the Study:
- To characterize the crystal forms and polymorphism of Ezetimibe.
- To perform quantitative and qualitative analysis of Ezetimibe.
- To investigate impurities and degradation products.
Main Methods:
- X-ray diffraction (XRD) for crystal structure determination.
- Thermal analysis techniques (e.g., DSC, TGA) for solid-state characterization.
- Chromatographic and spectroscopic methods for impurity profiling.
Main Results:
- Detailed characterization of Ezetimibe's distinct crystal forms.
- Identification and quantification of Ezetimibe and its related substances.
- Assessment of Ezetimibe's stability under various conditions, identifying potential degradation pathways.
Conclusions:
- The study provides comprehensive solid-state characterization of Ezetimibe.
- Established analytical methods ensure drug quality and safety.
- Findings are vital for optimizing Ezetimibe's pharmaceutical development and manufacturing.
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