Volume 55, Issue 1 And 2 (30 1997)                   Tehran Univ Med J 1997, 55(1 And 2): 21-24 | Back to browse issues page

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Doostie M, Sedighie S. Liposomal Levamizole hydrochloride. Tehran Univ Med J. 1997; 55 (1 and 2) :21-24
URL: http://tumj.tums.ac.ir/article-1-1665-en.html
Abstract:   (9140 Views)
Levamizole hydrochloride (C11H12 N2 S.HCl) is a drug capable of being rapidly absorbed from the gastrointestinal tract and is also rapidly eliminated from plasma. It has a modulating effect on the immunesystem, and may be used in treatment of parasitic diseases and infections. Because of its toxicity to liver and its rapid clearance from plasma, this drug must be formulated in such a way so as to decrease its necessary dosage and thus its toxic effect on the liver while improving or at least maintaining its present tolerance to disintegrating factors in the surrounding and its ability to efficiently reach its target tissues (the immune system). Therefore, the liposomal form of levamizole hydrochloride can be helpful in achieving the stated goals. In this study, first a preparation of a multilayer liposome with hydrophilic coating was done. For this purpose, a mixture of phosphate buffer (soudium and potassium phosphate I, 4 mmol, pH =7.4) ethanol and lipid (100 mg phosphatidyl choline, extracted from soya) was used (buffer 200 mg, ethanol 80 mg, lipid 100 mg). Also levamizole hydrochloride with half a solubility in water was used. The above solutions from levamizole containing liposomes under a few cycles of freeze-thawing method (20-60°C). Ultracentrifugation (45 min, 60.000 rpm) was used to determining the extent of drug encapsulation in this method we can calculate the percent encapsulation using a control. In our method this percentage was calculated to be 92.7%.
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