The water-soluble inclusion complex of ilexgenin A with β-cyclodextrin polymer--a novel lipid-lowering drug candidate
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Updated: May 10, 2026

Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles
Published on: November 10, 2017
Chang Liu1, Wang Zhang, Qiang Wang
1College of Medicine, Yangzhou University, 11 Huaihai Rd, Jiangsu Province, Yangzhou, 225002, Jiangsu, PR China.
Abstract:
A new water-soluble inclusion complex of ilexgenin A (IGA) with β-cyclodextrin polymer (CDP) was prepared by a facile strategy and characterized by (1)H NMR , FT-IR, and UV-vis spectroscopy. Compared with IGA and the inclusion complex of IGA with β-cyclodextrin (IGA-CD), the solubility of IGA-β-cyclodextrin polymer (IGA-CDP) was greatly enhanced due to the water-soluble CDP host. The ratio of β-cyclodextrin (β-CD) units in CDP to IGA was determined as 2 : 1. KD of the inclusion complex was evaluated as 2.6 × 10(-3) mol L(-1). The effects of IGA-CDP on a hyperlipidemia mouse model were studied by intragastric administration. After 4 weeks, the IGA-CDP treatment resulted in decreased serum levels of total cholesterol and low-density lipoprotein-cholesterol. The effects of IGA-CDP on serum apolipoprotein levels were similar to its effects on lipid levels. By comparing liver area, the effects of IGA-CDP on pre-existing lesions were assessed. Furthermore, the efficacy and potency of water-soluble inclusion complex of IGA-CDP was 2-3 times higher than that of IGA. Taken together, it was possible to develop it to a novel drug candidate to regulate lipid abnormality.
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