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Pharmacokinetic Studies of Oxathio-Heterocycle Fused Chalcones.

Abstract：

BACKGROUND AND OBJECTIVES:Chalcone constitutes one of the most used molecular frameworks in medicinal chemistry and its derivatives exhibit a broad spectrum of biological activities. Low absolute bioavailability, poor distribution, intensive metabolism and elimination of chalcones are the main problems in designing new drugs based on their structure. One of the fundamental steps in evaluation of drug candidates is a comparative analysis of pharmacokinetic parameters. The aim of the studies was the pharmacokinetic characterization of the selected oxathio-heterocycle fused chalcones. METHODS:The pharmacokinetic parameters of 19 compounds were reported. The analyzed chalcones were examined after a single intravenous administration to forty 7-week-old mature male rats of Wistar stock. Pharmacokinetic analysis was performed independently using SHAM (slopes, highest, amounts, and moments) and the two-compartment model. Basic physiochemical parameters were calculated. The bioanalytical methods were validated in terms of repeatability, linearity, accuracy, precision, and selectivity. RESULTS:The pharmacokinetics of the examined group of chalcones are compatible with the two-compartment model. The physicochemical characteristics of this group are quite homogeneous. The kinetics of the examined chalcones are indicative of a distribution to the tissue compartment with the predominance of a rate constant from central to peripheral compartments (k12) over the rate constant from peripheral to central compartments (k21). The elimination from the central compartment (k10) is higher than the transfer from the central compartment to the tissues (k10 > k12) in almost all examined cases. CONCLUSIONS:The presented group of compounds may form a starting point for studies into drugs treating autoimmune diseases of the gastro-intestinal tract.

journal_name

Eur J Drug Metab Pharmacokinet

journal_title

European journal of drug metabolism and pharmacokinetics

authors

Okoniewska K,Konieczny MT,Lemke K,Grabowski T

doi

10.1007/s13318-016-0320-y

subject

Has Abstract

pub_date

2017-02-01 00:00:00

pages

49-58

issue

eissn

0378-7966

issn

2107-0180

pii

10.1007/s13318-016-0320-y

journal_volume

pub_type

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Pharmacokinetic Studies of Oxathio-Heterocycle Fused Chalcones.