Development of Acrylic Matrix Type Ketoprofen Patch


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Ketoprofen transdermal patches (KTPs) were fabricated using an acrylic pressure sensitive adhesive (PSA) polymer. The influence of different factors (amount of PSA, drug content, and pressure applying on the backing membrane during preparation) on the characteristics of ketoprofen patch (thickness, W/A ratio, and adhesiveness of matrix film) and in vitro drug release behavior were investigated. The results revealed the successful fabrication and a good physical appearance of KTPs using acrylic PSA. Microscopic observations, FTIR spectra, and DSC thermograms were permitted to demonstrate that the drug was dispersed molecularly in the polymer. As the amount of PSA in the adhesive matrix was increased, the release rate of ketoprofen was decreased. Contrarily, the drug release rate was increased corresponding to the increase of ketoprofen content in the adhesive matrix. There was no significant difference in the release rate when the pressure applying on the backing membrane was varied. The kinetic of ketoprofen release from acrylic matrix type transdermal patches followed the Higuchis diffusion model.



Edited by:

Tawee Tunkasiri




N. Wonglertnirant et al., "Development of Acrylic Matrix Type Ketoprofen Patch", Advanced Materials Research, Vol. 506, pp. 533-536, 2012

Online since:

April 2012




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