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Formulação e otimização de pensos transdérmicos

Formulação e otimização de pensos transdérmicos

Mukesh Rani / Seema Rohilla

114,50 €
IVA incluido
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2026
Materia
Farmacología
ISBN:
9786630011173
114,50 €
IVA incluido
Disponible

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O lisinopril é um agente anti-hipertensivo indicado para a prevenção da hipertensão, do enfarte do miocárdio e da nefropatia diabética. É um inibidor da enzima de conversão da angiotensina (ECA). Tem uma semi-vida curta e sofre um metabolismo de primeira passagem variável. É necessário administrar duas ou três vezes por dia, o que resulta numa fraca adesão dos doentes. Neste trabalho foi feita uma tentativa de formular e avaliar TDDS para libertação sustentada delisinopril pelo método de evaporação de solventes. O baixo peso molecular, a boa permeabilidade e a meia-vida mais curta do fármaco tornaram-no um candidato adequado para o desenvolvimento de adesivos transdérmicos. O principal objetivo da formulação do sistema transdérmico foi prolongar o tempo de libertação do fármaco, reduzir a frequência de administração e melhorar a adesão do doente. A caraterização da compatibilidade foi feita pelo método IR. Utilizando um desenho de 32 factores, foram preparadas nove formulações utilizando polímeros hidrofílicos (HPMC) e hidrofóbicos (etilcelulose) juntamente com plastificantes selecionados e melhoradores de permeação. A membrana de suporte PVA foi utilizada como substrato para verter a solução polimérica. Os adesivos preparados foram avaliados quanto ao aspeto físico, espessura.

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