ADMET and DMPK, Vol. 9 No. 2, 2021.
Izvorni znanstveni članak
https://doi.org/10.5599/admet.929
Biomimetic properties and estimated in vivo distribution of chloroquine and hydroxy-chloroquine enantiomers
Klara Valko
; Bio-Mimetic Chromatography Ltd, Business & Technology Centre, Bessemer Drive, Stevenage, Herts SG1 2DX UK
Thong Zhang
; Chiral Technologies Europe, Parc d'Innovation 160, Bd Gonthier d'Andernach CS 80140 67404 ILLKIRCH CEDEX France
Sažetak
Chloroquine and hydroxy-chloroquine already established as anti-malarial and lupus drugs have recently gained renewed attention in the fight against the Covid-19 pandemic. Bio-mimetic HPLC methods have been used to measure the protein and phospholipid binding of the racemic mixtures of the drugs. The tissue binding and volume of distribution of the enantiomers have been estimated. The enantiomers can be separated using Chiralpak AGP HPLC columns. From the α-1-acid-glycoprotein (AGP) binding, the lung tissue binding can be estimated for the enantiomers. The drugs have a large volume of distribution, showed strong and stereoselective glycoprotein binding, medium-strong phospholipid-binding indicating only moderate phospholipidotic potential, hERG inhibition and promiscuous binding. The drug efficiency of the compounds was estimated to be greater than 2 % which indicates a high level of free biophase concentration relative to dose. The biomimetic properties of the compounds support the well-known tolerability of the drugs.
Ključne riječi
Protein binding; chiral separation; chloroquine and hydroxy-chloroquine; tissue binding; the volume of distribution
Hrčak ID:
254184
URI
Datum izdavanja:
21.3.2021.
Posjeta: 672 *