Journal
PHARMACEUTICS
Volume 13, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/pharmaceutics13122106
Keywords
Strat-M membrane; Skin PAMPA; heat-separated human epidermis; Franz diffusion study; skin permeation
Categories
Funding
- New National Excellence Program of the Ministry for Innovation and Technology [UNKP-20-3]
- University of Szeged [5477]
- [EFOP 3.6.3-VEKOP-16-2017-00009]
- [GINOP 2.2.1-152016-00023]
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This study compared permeation across innovative synthetic membranes and human epidermis, with the Strat-M membrane showing the greatest similarity to HSE. Good correlations were found between the permeation data of different formulations across different membranes, allowing the prediction of permeation across HSE using synthetic membranes. Strat-M and Skin PAMPA membranes have the potential to select and differentiate dermal formulations containing diclofenac sodium as an early screening model.
In recent years, the study of dermal preparations has received increased attention. There are more and more modern approaches to evaluate transdermal formulations, which are crucial in proving the efficacy of a formulation. The aim of this study was to compare permeation across innovative synthetic membranes (Strat-M and Skin PAMPA membranes) and heat-separated human epidermis (HSE, gold standard membrane) using four different dermal formulations. The Strat-M and Skin PAMPA membranes were designed to mimic the stratum corneum layer of the human epidermis. There have also been some publications on their use in dermal formulation development, but further information is needed. Drug permeation was measured using formulations containing diclofenac sodium (two hydrogels and two creams). The HSE, Strat-M, and Skin PAMPA membranes proved to be significantly different, but based on the results, the Strat-M membrane showed the greatest similarity to HSE. The permeation data of the different formulations across different membranes showed good correlations with formulations similar to these four, which allows the prediction of permeation across HSE using these synthetic membranes. In addition, Strat-M and Skin PAMPA membranes have the potential to select and differentiate a dermal formulation containing diclofenac sodium as an early screening model.
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