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Arch Dermatol Res ; 306(8): 711-7, 2014 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-24997631

RESUMO

Cetirizine dihydrochloride (CTZ) is a second-generation histamine H1 antagonist, effective for the treatment of a wide range of allergic diseases. It has been utilized for managing the symptoms of chronic urticaria and atopic skin conditions. Thus, two novel semisolid formulations, nanoemulsion (NE) and hydrogel (HG) were developed to study their potential utility as vehicles including cetirizine (CTZ) and evaluate the potential use as topical H1-antihistamines agents. The physicochemical and stability properties of both vehicles were tested. Drug release kinetics and human skin permeation studies were performed using Franz cells. The antihistaminic activity was assayed in New Zealand rabbits and compared with two commercial first generation antihistamines. Both formulations were stable and provided a sustained drug release. Amounts of CTZ remaining in the skin were higher for HG, showing the maximum biological effect at 30 min, similar to topical first generation H1-antihistamines commercially available. These results suggest that CTZ-HG could be a promising system for the treatment of topical allergy bringing rapid antihistaminic relief.


Assuntos
Cetirizina/administração & dosagem , Antagonistas não Sedativos dos Receptores H1 da Histamina/administração & dosagem , Hidrogel de Polietilenoglicol-Dimetacrilato/administração & dosagem , Nanoestruturas/administração & dosagem , Absorção Cutânea/efeitos dos fármacos , Administração Tópica , Animais , Células Cultivadas , Cetirizina/efeitos adversos , Emulsões , Antagonistas não Sedativos dos Receptores H1 da Histamina/efeitos adversos , Humanos , Masculino , Coelhos
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