Bhawana Sethi, Rupa Mazumder


Objective: Aliskiren hemifumarate is used for the treatment of hypertension. The aim of this research to study the effect on delivery of drug using natural & synthetic permeation enhancers like limonene, cineol, β-cyclodextrin & oleic acid by using different polymers. As different penetration acts differently with polymers.

Methods: Transdermal patches were prepared by the solvent evaporation technique. The controlled release polymers were used for the preparation of patches. The patches were prepared with different polymers and different plasticizer. The drug & polymer interaction study was performed by fourier transform infrared spectra. In vitro permeation studies were conducted using pretreated cellophane membrane using franz diffusion cell.

Results: The prepared patches were evaluated for in vitro drug release & the release profile was varied from 52.32% PGH (oleic acid) to 87.63% B (cineol). The permeability coefficient was found in the range of 5.82 to 8.32 cm/h & corresponding flux was found between 281.61 to 729.08 µg/cm2/h on the prepared patches & statistical analysis performed using t-test (p< 0.005).

Conclusion: On the basis of obtained results, it was concluded that patch prepared using methocel k 15 m as polymer, glycerin as plasticizer & cineol as a permeation enhancer shows the maximum release. The increase in the release due to increase in the flux.


Transdermal patch, Penetration enhancer, Permeability coefficient, Flux


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