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Liquid Spray Formulations of Xibornol by Using Self-microemulsifying Drug Delivery Systems by M. Cirri; P. Mura; P. Corvi Mora is a Pharmacology, Toxicology and Pharmaceutics article available to read on EtoBox.

What is Liquid Spray Formulations of Xibornol by Using Self-microemulsifying Drug Delivery Systems about?

Xibornol is a lipophilic drug mainly used in Italy and Spain in spray dosage forms for the local treatment of infection and inflammation of the throat. Its poor water solubility makes difficult the development of aqueous formulations of the drug, thus giving rise to a limited number of stable and pharmaceutically accepted preparations. In fact, xibornol is actually marketed only as spray aqueous suspension. The aim of this work was to evaluate the possibility of developing a stable liquid formulation of the drug intended for oral spray administration using a self-microemulsifying drug delivery system (SMEDDS). These systems are able to adequately improve the drug solubility, allowing the introduction of relatively high concentration of drugs in the form of solution. Labrafil M1944, Labrafil M2125 and Labrafac CC were screened as oil phases, Labrasol and Labrafac PG as surfactants and Transcutol as co-surfactant. Pseudo-ternary phase diagrams were constructed, by titration with the aqueous phase of different oil phases and surfactant/co-surfactant mixtures in order to identify the self-microemulsification region and the optimal micro-emulsion composition. Then, complete pharmaceutic

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Author

M. Cirri; P. Mura; P. Corvi Mora

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0378-5173)

Published

2007

Language

EN

Field

Pharmacology, Toxicology and Pharmaceutics (Life Sciences)