Scholars Research Library

Scholars Research Library

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Der Pharmacia Lettre

Abstract

In vitro permeation studies of Indapamide from transdermal films

Author(s): Shashikant D. Barhate, Tejaswita N. Gholap

The aim of the present work was to develop and evaluate a transdermal bioadhesive transdermal film containing indapamide. Indapamide is a long-acting hypertensive with both diuretic and vasodilative actions and is defined by the 1999 WHO/ISH Hypertension Guidelines as a first-line drug for the treatment of hypertension. Transdermal films were prepared by dissolving in water Eudragit RS100, lauric acid, adipic acid, polyvinyl alcohol, sorbitol and indapamide. The resultant mixture was spread on siliconized paper and dried. The in-vitro permeation experiments were performed in Franz-diffusion cell using freshly excised rat skin for 12 h. The permeation results of indapamide form 2 mg/ml and 5mg/ml solutions in phosphate buffer (pH 7.4) showed significant permeation behaviour. The in vitro permeation results of transdermal films showed good permeation characteristics across the skin, with linear release from film F3. The Eudragit RS 100 and polyvinyl acetate in 1:2 proportions proved to be better composition for preparation of transdermal film which can be a promising and innovative therapeutic system for indapamide.
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