Journal of Pharmacobio-Dynamics
Online ISSN : 1881-1353
Print ISSN : 0386-846X
ISSN-L : 0386-846X
PROTECTIVE MECHANISM OF β-CYCLODEXIRIN FOR THE HEMOLYSIS INDUCED WITH PHENOTHIAZINE NEUROLEPTICS IN VITRO
TETSUMI IRIEMIKI SUNADAMASAKI OTAGIRIKANETO UEKAMA
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Keywords: stability constant
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1983 Volume 6 Issue 6 Pages 408-414

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Abstract

β-Cyclodextrin (β-CyD) was found to protect the human erythrocytes from the hemolysis induced with ten phenothiazine neuroleptics in isotonic solution. The hemolytic activities of the phenothiazine-β-CyD systems appeared to depend upon the free phenothiazine concentration, suggesting that the complexed form of phenothiazines is essentially inactive to cause hemolysis. The binding abilities and surface activities of the complexed form of phenothiazines were much smaller than those of free phenothiazines. These results indicate that the protective effect of β-CyD may be due to the decrease in the effective hemolytic concentration of phenothiazines by inclusion complexation rather than the stabilizing effect of β-CyD on the erythrocyte membrane.

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© The Pharmaceutical Society of Japan
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