Construction of a quantitative structure-permeability relationship (QSPR) for the transdermal delivery of NSAIDs

Yi Bo Liou, Hsiu O. Ho, Chun Jen Yang, Ying Ku Lin, Ming Thau Sheu

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

In this study, an empirical model of the quantitative structure-permeability relationship (QSPR) of the transdermal delivery of non-steroidal anti-inflammatory drugs (NSAIDs) was constructed in an attempt to predict the permeability coefficients (kP). Thirteen model NSAIDs were selected, and their in vitro permeation through the full skin of nude mice was examined. The biological parameters of transepidermal water loss (TEWL), hydration content (HD), lipid content (SB), resonance running time (RVM), and elasticity (EL) were measured. The permeability coefficients so obtained were grouped into three datasets of all model drugs and those drugs with clogP or logKo/w values of > 2 and <2; these datasets were regressed with respect to the physical characters of molecular weight (MW) and polarity factor (clogP or logKo/w) or the solubility parameter (δ) of the model drugs rationally chosen to replace the polarity factor with or without taking into consideration the biological parameters of the skin. Results demonstrated that δ could be greatly improved compared to clogP and logKo/w in the regression with an adjusted R2 of > 0.90 using the dataset of those drugs with clogP or logKo/w values of <2, regardless of whether or not biological parameters were taken into consideration. This indicates that δ might rationally be a more-appropriate drug parameter for predicting the skin permeability of NSAIDs for transdermal delivery. A plot of observed kP versus predicted kP values by this simple empirical model of QSPR was validated to demonstrate the predictive capability of kP for transdermal delivery. In conclusion, an empirical model of QSPR to predict kP based on the hydrophilicity of the model drugs was statistically improved with δ and by taking the biological parameters of the skin into consideration.

Original languageEnglish
Pages (from-to)260-267
Number of pages8
JournalJournal of Controlled Release
Volume138
Issue number3
DOIs
Publication statusPublished - Sep 15 2009

Fingerprint

Permeability
Anti-Inflammatory Agents
Pharmaceutical Preparations
Skin
Elasticity
Hydrophobic and Hydrophilic Interactions
Nude Mice
Running
Lipids
Water

Keywords

  • Biological parameters
  • NSAID
  • Quantitative structure-permeability relationship (QSPR)
  • Solubility parameter
  • Transdermal permeability

ASJC Scopus subject areas

  • Pharmaceutical Science

Cite this

Construction of a quantitative structure-permeability relationship (QSPR) for the transdermal delivery of NSAIDs. / Liou, Yi Bo; Ho, Hsiu O.; Yang, Chun Jen; Lin, Ying Ku; Sheu, Ming Thau.

In: Journal of Controlled Release, Vol. 138, No. 3, 15.09.2009, p. 260-267.

Research output: Contribution to journalArticle

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