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Enhanced follicular delivery of finasteride to human scalp skin using heat and chemical penetration enhancers. / Farah, Hassan; McAuley, William; Brown, Marc.

In: Pharmaceutical Research, Vol. 37, No. 6, 112, 31.05.2020.

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@article{b684b305d14b43e2beadde75fb3bdc52,
title = "Enhanced follicular delivery of finasteride to human scalp skin using heat and chemical penetration enhancers",
abstract = "PurposeThe aim of this work was to evaluate whether improved topical delivery of finasteride, focussed to the hair follicles of human scalp skin could be achieved with application of short durations of heat and use of specific chemical penetration enhancers.MethodsFranz cell experiments with human scalp skin were performed with a range of chemical penetration enhancers at 32°C and 45°C to simulate normal and heated conditions. Selected chemical penetration enhancers were taken forward for finite dose Franz cell studies which examined the effect of heat produced by a prototype external heating system that supplied either 20 or 30 min of additional heat over both a 24 h and a 1 h time period.ResultsShort durations of externally applied heat significantly increased finasteride penetration into human scalp skin after 24 h. Analysis of drug distribution in the skin after 1 h and 24 h indicated that both heat and chemical penetration enhancer selection influenced drug delivery to the hair follicles.ConclusionThe use of short durations of heat in combination with specific chemical penetration enhancers was able to increase the delivery of finasteride to human scalp skin and provide focussed drug delivery to the hair follicles.",
author = "Hassan Farah and William McAuley and Marc Brown",
note = "{\textcopyright} The Author(s) 2020. This article is an open access publication. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.",
year = "2020",
month = may,
day = "31",
doi = "10.1007/s11095-020-02822-y",
language = "English",
volume = "37",
journal = "Pharmaceutical Research",
issn = "0724-8741",
publisher = "Springer New York",
number = "6",

}

RIS

TY - JOUR

T1 - Enhanced follicular delivery of finasteride to human scalp skin using heat and chemical penetration enhancers

AU - Farah, Hassan

AU - McAuley, William

AU - Brown, Marc

N1 - © The Author(s) 2020. This article is an open access publication. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

PY - 2020/5/31

Y1 - 2020/5/31

N2 - PurposeThe aim of this work was to evaluate whether improved topical delivery of finasteride, focussed to the hair follicles of human scalp skin could be achieved with application of short durations of heat and use of specific chemical penetration enhancers.MethodsFranz cell experiments with human scalp skin were performed with a range of chemical penetration enhancers at 32°C and 45°C to simulate normal and heated conditions. Selected chemical penetration enhancers were taken forward for finite dose Franz cell studies which examined the effect of heat produced by a prototype external heating system that supplied either 20 or 30 min of additional heat over both a 24 h and a 1 h time period.ResultsShort durations of externally applied heat significantly increased finasteride penetration into human scalp skin after 24 h. Analysis of drug distribution in the skin after 1 h and 24 h indicated that both heat and chemical penetration enhancer selection influenced drug delivery to the hair follicles.ConclusionThe use of short durations of heat in combination with specific chemical penetration enhancers was able to increase the delivery of finasteride to human scalp skin and provide focussed drug delivery to the hair follicles.

AB - PurposeThe aim of this work was to evaluate whether improved topical delivery of finasteride, focussed to the hair follicles of human scalp skin could be achieved with application of short durations of heat and use of specific chemical penetration enhancers.MethodsFranz cell experiments with human scalp skin were performed with a range of chemical penetration enhancers at 32°C and 45°C to simulate normal and heated conditions. Selected chemical penetration enhancers were taken forward for finite dose Franz cell studies which examined the effect of heat produced by a prototype external heating system that supplied either 20 or 30 min of additional heat over both a 24 h and a 1 h time period.ResultsShort durations of externally applied heat significantly increased finasteride penetration into human scalp skin after 24 h. Analysis of drug distribution in the skin after 1 h and 24 h indicated that both heat and chemical penetration enhancer selection influenced drug delivery to the hair follicles.ConclusionThe use of short durations of heat in combination with specific chemical penetration enhancers was able to increase the delivery of finasteride to human scalp skin and provide focussed drug delivery to the hair follicles.

U2 - 10.1007/s11095-020-02822-y

DO - 10.1007/s11095-020-02822-y

M3 - Article

VL - 37

JO - Pharmaceutical Research

JF - Pharmaceutical Research

SN - 0724-8741

IS - 6

M1 - 112

ER -