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논문 기본 정보

자료유형
학술저널
저자정보
최석주 (동신대학교 대학원 물리치료학과) 오명화 (동신대학교 한의과대학 물리치료학과) 김태열 (동신대학교 한의과대학 물리치료학과)
저널정보
대한물리치료학회 대한물리치료학회지(JKPT) 대한물리치료학회지 제14권 제4호
발행연도
2002.1
수록면
147 - 162 (16page)

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Transdermal permeation enhancer has been used to increased skin absorption. External control of drug release and skin absorption can also be achieved by iontophoresis or phonophoresis. However, because several problems with iontophoresis are that it has a risk to skin damage because of the change of pH and the increase of current density in applying it and that it can be applied only in the form of water solution, This study is to enhance drug permeation via skin following application of ultrasound. For this goal, in gel containing piroxicam, the degree of skin permeation in vitro and anti-inflammatory effect in in vivo were investigated. Permeation study using hairless mouse skin was performed at 37 $^{\circ}C$ using buffer saline as the receptor solution. The amount of piroxicam were quantified using a HPLC system consisting of solvent delivery system. Following adoption of ultrasound 1 MHZ, it showed relatively high permeation rate where it was compared with non treated by ultrasound. The influence of duty cycle having an effect on skin permeation rate was slight higher in the case of using pulsed mode. Skin permeation increase attended by intensity of ultrasound, the permeation of trice was accelerated at 2.0 W/$cm^{2}$ than 1.0 W/$cm^{2}$. The skin permeation of piroxicam was substantially influenced by ultrasound. Anti-inflammatory effects were determined using carrageenan-induced paw swelling method in SD rat. Paw swelling tests showed that pulsed phonophoresis group was more effective than control group and only gel application group. The conclusion of phonophoresis was found to improve significantly the skin permeation in vitro and the anti-inflammatory effect in vivo.

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