Sustained-release anti-parasitic compositions comprising...

A - Human Necessities – 61 – K

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Details

A61K 31/365 (2006.01) A01N 43/90 (2006.01) A61K 9/08 (2006.01) A61K 31/7048 (2006.01) A61K 47/00 (2006.01) A61K 47/10 (2006.01) A61K 47/14 (2006.01) A61K 47/26 (2006.01) A61P 33/10 (2006.01)

Patent

CA 2341281

Sustained-release compositions for parenteral administration are provided which comprise on a weight to volume basis: about 5% to 30% of a macrolide compound or mixture of macrolide compounds, about 1% to 10% of a low-HLB surfactant or mixture of low-HLB surfactants; about 1% to 20% of a co-solvent selected from the group consisting of an aromatic alcohol, a cyclic amide and mixtures thereof; and a solvent selected from the group consisting of triglycerides of medium chain fatty acids, glycol esters of medium chain fatty acids and mixtures thereof. A preferred macrolide is moxidectin. These compositions are useful for preventing or treating helminth, acarid or arthropod endo- or ectoparasitic infection or infestation in a warm-blooded animal.

On présente des produits à libération lente destinés à être administrés par voie parentérale et possédant la composition suivante : environ 5 à 30 % p/v d'un macrolide ou d'un mélange de macrolides, environ 1 à 10 % p/v d'un surfactant à faible HLB ou d'un mélange de surfactants à faible HLB, environ 1 à 20 % d'un cosolvant choisi parmi le groupe composé des alcools aromatiques, des amides cycliques et des mélanges de ceux-ci, et un solvant choisi parmi le groupe formé par les triglycérides d'acides gras à chaîne moyenne, les esters glycoliques d'acides gras à chaîne moyenne et les mélanges de ceux-ci.. La moxidectine est un macrolide de prédilection. Ces compositions servent à prévenir ou à traiter les infections ou les infestations d'helminthes, d'acariens ou d'arthropodes endo- ou ectoparasitaires chez les animaux à sang chaud.

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