2016
DOI: 10.1248/bpb.b15-00750
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Skin Permeation of Testosterone from Viscoelastic Lecithin Reverse Wormlike Micellar Solution

Abstract: We evaluated testosterone-containing lecithin reverse wormlike micelles (reverse worms) composed of a polar substance/lecithin/isopropyl myristate for transdermal application. Water, D-ribose, or tetraglycerol were used as the polar substance and were key ingredients for forming the reverse worms. Using the reverse worms, 1 wt% of testosterone could be stably solubilized. When using D-ribose as polar substance, the maximum zero-shear viscosity of the reverse worms solution was higher than that of systems using… Show more

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Cited by 7 publications
(6 citation statements)
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“…The name of each formulation is a combination of the polar material, its % concentration and oil, e.g., GL5.6LP. The preparation method followed the procedure used by Imai et al 4) The specific method used in the present study is described below.…”
Section: Sample Preparationmentioning
confidence: 99%
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“…The name of each formulation is a combination of the polar material, its % concentration and oil, e.g., GL5.6LP. The preparation method followed the procedure used by Imai et al 4) The specific method used in the present study is described below.…”
Section: Sample Preparationmentioning
confidence: 99%
“…Lecithin and the polar compound associate in oil to form long flexible cylindrical reverse micelles, which entangle to form a three-dimensional network that holds a large amount of oil in the intermicelle gaps. 1) Various drugs, such as scopolamine, 2) broxaterol, 2) indomethacin, 3) diclofenac, 3) and testosterone, 4) have been solubilized in LRWs and exhibit enhanced skin permeability, suggesting that LRWs are potentially useful for transdermal applications. 5,6) We therefore used LRWs as vehicles for a model of a hydrophilic drug in the absence of water and observed good drug permeation.…”
Section: Introductionmentioning
confidence: 99%
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“…1) LRWs are prepared easily by stirring at room temperature and are thermodynamically stable. Various hydrophilic, lipophilic, low molecular weight and high molecular weight drugs, such as scopolamine, 2) broxaterol, 2) indomethacin, 3) diclofenac, 3) testosterone, 4) and cyclosporine, 5) have been solubilized in LRWs, suggesting that LRWs are potentially useful as transdermal dosage forms. 6,7) The polar compound is the key ingredient for the formation of LRWs.…”
Section: Introductionmentioning
confidence: 99%
“…Similar to the PC-based liposomes, PC-based RWLMs can also be used as a drug carrier. Especially, the transdermal route has been attempted by several researchers as lecithin is not only biocompatible, but it also promotes the absorption of various drugs. Besides the pharmaceutical or biological applications, RWLMs serve as a promising template for nanomaterial synthesis and drag reduction agents .…”
Section: Introductionmentioning
confidence: 99%