BINDING OF INDAPAMIDE TO SERUM-PROTEINS AND ERYTHROCYTES

被引:27
作者
URIEN, S
RIANT, P
RENOUARD, A
COULOMB, B
ROCHER, I
TILLEMENT, JP
机构
[1] INST RECH INT SERVIER, F-92202 NEUILLY, FRANCE
[2] INSERM, F-92202 NEUILLY, FRANCE
关键词
D O I
10.1016/0006-2952(88)90282-1
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
The binding of indapamide to isolated serum proteins and erythrocytes was studied in order to understand its blood distribution. In serum, indapamide was mainly bound to .alpha.1-acid glycoprotein with a high affinity (K = 73.4/mM), and to albumin and lipoproteins. Indapamide was bound to erythrocytes via a saturable process with a high affinity (K = 385/mM and N = 57 .mu.M for an hematocrit value of 0.48), and erythrocytes were the main binding component in blood (more than 80% of indapamide was associated to erythrocytes in blood). The binding to serum proteins affected indapamide distribution in blood, and .alpha.1-acid glycoprotein was shown to be the more effective protein in decreasing the amount of indapamide associated to erythrocytes.
引用
收藏
页码:2963 / 2966
页数:4
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