Solvent systems for pour-on formulations for combating...

A - Human Necessities – 61 – K

Patent

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Details

A61K 47/10 (2006.01) A61K 31/63 (2006.01) A61K 31/7048 (2006.01) A61K 47/22 (2006.01) A61P 33/00 (2006.01)

Patent

CA 2706448

This invention relates to pharmaceutical and veterinary formulations providing enhanced solvency and stability for pharmaceutical and veterinary agents for administration to animals, especially ruminants. In addition, the invention relates to pour-on formulations for combating parasites in animals, such as cattle and sheep. In some embodiments, this invention provides glycol-ether-based pour-on formulations comprising a composition comprising a flukicide, such as, for example, clorsulon (4-amino-6--trichloroethenyl- 1,3 -benzene disulfonamide) and/or a macrolide anthelmintic or antiparasitic agent. In other embodiments, the invention provides pour-on formulations comprising at least one active agent, a glycol ether, and a stability enhancer. This invention also provides for methods for eradicating, controlling, and/or preventing parasite infestation in animals, such as cattle and sheep.

La présente invention concerne des compositions pharmaceutiques et vétérinaires contenant des agents pharmaceutiques et vétérinaires présentant une solvabilité et une stabilité améliorées devant être administrées à des animaux et, en particulier, à des ruminants. En outre, l'invention concerne des solutions à application cutanée utilisables dans le cadre de la lutte contre les parasites chez les animaux, de type bétail et moutons. Dans certains modes de réalisation, la présente invention concerne des solutions à application cutanée à base d'éther de glycol, par exemple une composition comprenant un douvicide, comme le clorsulon (4-amino-6-trichloroéthényl-1,3-benzène disulfonamide) et/ou un agent antiparasitaire ou macrolide anthelminthique. Dans d'autres modes de réalisation, l'invention concerne des solutions à application cutanée comprenant au moins un principe actif, un éther de glycol, et un agent favorisant la stabilité. La présente invention concerne également des procédés d'éradication, de lutte et/ou de prévention des infections parasitaires chez l'animal, par exemple chez le bétail et les moutons.

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