Method of delivering nasal spray

A - Human Necessities – 61 – K

Patent

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Details

A61K 31/335 (2006.01) A61K 9/12 (2006.01) A61M 11/00 (2006.01) A61P 11/02 (2006.01)

Patent

CA 2586553

A method of delivering a nasal spay. A sprayer having a formulation comprising olopatadine is provided. A spray of the formulation is delivered to a subject~s nose. The spray may have a spray characteristic comprising a spray pattern having a longest axis of 20-45 mm, a shortest axis of 14-20 mm, and an ellipticity of 1-1.8. The spray may also have a spray characteristic comprising a droplet size distribution having a D10 OF 15-30 µm, a D50 of 30-60 µm, a D90 of 50-150 µm, a SPAN of not more than 3, and % Volume of <10 µm of less than 4%.

L'invention porte sur un procédé d'administration d'une pulvérisation nasale. Un pulvérisateur présente une formulation contenant olopatadine. Une pulvérisation de la formulation est effectuée dans le nez d'un sujet. Cette pulvérisation peut présenter une caractéristique de pulvérisation comprenant un schéma de pulvérisation dont l'axe le plus long est de 20 à 45 mm, l'axe le plus court est de 14 à 20 mm, et une ellipticité comprise entre 1 et 1,8. Cette pulvérisation présente aussi une caractéristique de pulvérisation comprenant une composition granulométirque de gouttelette présentant un D10 de 15-30 ?m, un D50 de 30-60 ?m, un D90 de 50-150 ?m, une envergure inférieure ou égale à 3, et un volume en % de <10 ?m inférieur à 4%.

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