Design and evaluation of a novel felbinac transdermal patch: Combining ion-pair and chemical enhancer strategy

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Design and evaluation of a novel felbinac transdermal patch: Combining ion-pair and chemical enhancer strategy

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The optimized patch containing FEL-TEA and 10% Azone had significantly higher skin permeation amount (P Furthermore, the in vitro skin permeation results of FEL-TEA patch was found to have a good correlation with the in vivo absorption results in rabbit. These findings indicated that a combination of ion-pair and chemical enhancer strategy could be useful in developing a novel transdermal patch of FEL.

AAPS PharmSciTech, Vol 17, No 2, April 2016 ( # 2015) DOI: 10.1208/s12249-015-0342-9 Research Article Design and Evaluation of a Novel Felbinac Transdermal Patch: Combining Ion-Pair and Chemical Enhancer Strategy Nannan Liu,1 Wenting Song,1 Tian Song,1 and Liang Fang1,2 Received 14 February 2015; accepted 23 May 2015; published online 13 June 2015 Abstract The aim of this study was to design a novel felbinac (FEL) patch with significantly higher (P

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  • Design and Evaluation of a Novel Felbinac Transdermal Patch: Combining Ion-Pair and Chemical Enhancer Strategy

    • Abstract

      • INTRODUCTION

      • MATERIALS AND METHODS

        • Chemicals and Animals

        • Preparation and Characterization

          • Preparation of Ion-Pair Complexes

          • DSC and pXRD Characterization

          • IR and 1H-NMR Characterization

          • Preparation of Patches

          • In’Vitro Studies

            • Apparent Partition Coefficient Experiments

            • Apparent Solubility Measurements

            • In’Vitro Skin Permeation Experiments

            • In’Vivo Studies

              • Rabbit Skin Irritation Test

              • Administration and Sampling

              • Treatment and Analysis of Plasma Samples

              • Pharmacokinetic Analysis

              • In’Vitro/In’Vivo Correlation

              • Quantitative Analysis

              • Data Analysis

              • RESULTS AND DISCUSSION

                • Characterization of FEL Ion-Pair Complexes

                  • DSC and pXRD Characterization

                  • IR and 1H-NMR Characterization

                  • In’Vitro Evaluation

                    • The Effect of Organic Amines on the Skin Permeation of FEL

                    • Combined Effect of Chemical Enhancers

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