2008
DOI: 10.1590/s0100-40422008000600040
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Princípios básicos e aplicação da iontoforese na penetração cutânea de fármacos

Abstract: . do Café, s/n, 14040-903 Ribeirão Preto -SP, Brasil Recebido em 7/11/06; aceito em 20/9/07; publicado na web em 31/7/08 BASIC PRINCIPLES AND APPLICATIONS OF IONTOPHORESIS FOR CUTANEOUS PENETRATION OF DRUGS. Physicochemical constraints severely limit the number of molecules that can be considered as candidates for transdermal delivery. Iontophoresis is a non-invasive technique in which a weak electric current is used to enhance the penetration of molecules into or through the skin. In this review the underlyin… Show more

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Cited by 28 publications
(43 citation statements)
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“…Its most common applications are: 1) Calcifying tendinitis and myositis ossificans (acetic acid) (27); 2) Controlling muscle spasms (calcium chloride and magnesium sulfate); 3) Inflammation (dexamethasone); 4) Soft tissue swelling (lidocaine); 5) Acute joint pain in rheumatoid arthritis (zinc oxide) (26). This technique is cheap based on the economic use of topical medications and since the electrotherapy equipment decreased in size and are more accessible due to lowproduction-costs (28).…”
Section: Discussionmentioning
confidence: 99%
“…Its most common applications are: 1) Calcifying tendinitis and myositis ossificans (acetic acid) (27); 2) Controlling muscle spasms (calcium chloride and magnesium sulfate); 3) Inflammation (dexamethasone); 4) Soft tissue swelling (lidocaine); 5) Acute joint pain in rheumatoid arthritis (zinc oxide) (26). This technique is cheap based on the economic use of topical medications and since the electrotherapy equipment decreased in size and are more accessible due to lowproduction-costs (28).…”
Section: Discussionmentioning
confidence: 99%
“…The rationale for this approach has been partially proven by our former publications: iontophoresis clearly targeted MXS to the follicular route, as it is the pathway with lower resistance under the influence of a potential gradient, [9][10][11]17 and MXS-nanoparticles sustained drug release about twice more than previous prepared MXS-loaded microparticles. 8,22 Figure 2 shows recovery of MXS from stratum corneum tape strips and follicular casts after 6 h of either passive or iontophoresis driven diffusion from the two tested formulations -free-drug solution and MXS-NP.…”
Section: Resultsmentioning
confidence: 99%
“…10,11 It has been currently used for topical and transdermal delivery of a great variety of drugs. [12][13][14][15][16] The two main mechanisms involved in iontophoretic delivery of drugs are electromigration and electroosmosis.…”
Section: Introductionmentioning
confidence: 99%
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“…4 Diversos estudos têm sido realizados avaliando a ação e os efeitos produzidos pela ação do US sobre estes fármacos, 5 envolvendo, por exemplo, o aumento de permeação destes na pele. 6,7 Além destas técnicas, ainda na área de atuação da fisioterapia, tem-se outra importante técnica, que igualmente facilita a permeação de fármacos em contato com a pele, a iontoforese, 8 também amplamente estudada. Na literatura, há estudos relacionados à aplicação de US in vivo, dentre os quais se destaca o de Hsieh 9 que, a partir de pesquisas experimentais com a utilização de diclofenaco em ratos, apresentou uma diminuição dos sintomas da artrite nestes animais quando da aplicação da fonoforese, ou seja, US terapêutico associado ao diclofenaco.…”
Section: Introductionunclassified