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Sorbitan Monopalmitate-Based Proniosomes for Transdermal Delivery of Chlorpheniramine Maleate Publisher Pubmed



Varshosaz J1, 2 ; Pardakhty A1 ; Baharanchi SMH1
Authors
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Authors Affiliations
  1. 1. Dept. of Pharmaceutical Sciences, Sch. of Pharm. and Pharmaceut. Sci., Isfahan Univ. of Medical Sciences, Isfahan, Iran
  2. 2. Dept. of Pharmaceutical Sciences, Sch. of Pharm. and Pharmaceut. Sci., Isfahan Univ. of Medical Sciences, Isfahan, PO Box 81745-359, Iran

Source: Drug Delivery: Journal of Delivery and Targeting of Therapeutic Agents Published:2005


Abstract

A proniosomal gel for transdermal drug delivery of chlorpheniramine maleate (CPM) was developed based on Span 40 and extensively characterized in vitro. The system was evaluated for the effect of composition of formulation, type of surfactants and alcohols on the drug loading, rate of hydration, vesicle size, polydispersity, entrapment efficiency, and drug release across cellulose nitrate dialysis membrane. The stability studies were performed at 4°C and at room temperature. The results showed that lecithin produced more stable and larger vesicles with higher loading efficiency but lower dissolution efficiency than cholestrol (chol) and dicethyl phosphate (DCP). The type of alcohol had no significant effect on the stability of vesicles, but ethanol produced larger vesicles (≈44 μm) and entrapped a greater amount of drug. Drug release from vesicles of lecithin followed a first-order kinetics whereas those with DCP or without lecithin fit better with a Higuchi model. The proniosomes that contained Span 40/lecithin/chol prepared by ethanol showed optimum stability, loading efficiency, and particle size and release kinetic suitable for transdermal delivery of CPM. Copyright © Taylor & Francis Inc.
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