04-01-2018 дата публикации
Номер: US20180000728A1
Pharmaceutical formulations with a tropomyosin-related kinase inhibitor (“Trk inhibitor”) are disclosed. The pharmaceutical formulations comprise 3-(3-methoxy-4-((4-methoxybenzyl)oxy)benzyl)-6-(1-methyl-1H-pyrazol-4-yl)-3H-imidazo[4,5-b]pyridin-2-amine in microcrystalline suspension formulations in its monohydrate form, which shows improved characteristics over the anhydrate form, and in extended release formulations. The extended release pharmaceutical formulations comprise 3-(3-methoxy-4-((4-methoxybenzyl)oxy)benzyl)-6-(1-methyl-1H-pyrazol-4-yl)-3H-imidazo[4,5-b]pyridin-2-amine-loaded microspheres. 1. A crystalline form of 3-(3-methoxy-4-((4-methoxybenzyl)oxy)benzyl)-6-(1-methyl-1H-pyrazol-4-yl)-3H-imidazo[4 ,5-b]pyridin-2-amine , wherein the x-ray powder diffraction pattern contains the following 26 peaks measured using CuKradiation: 3.6 , 7.1 , 8.9 , 10.4 , 10.7 , 12.4 , 12.7 and 14.3.2. A pharmaceutical formulation comprising the crystalline form of 3-(3-methoxy-4-((4-methoxybenzyl)oxy)benzyl)-6-(1-methyl-1H-pyrazol-4-yl)-3H-imidazo[4 claim 1 ,5-b]pyridin-2-amine according to and a pharmaceutically acceptable excipient.5. The pharmaceutical formulation according to claim 4 , wherein the pharmaceutically acceptable excipient comprises a diluent.6. The pharmaceutical formulation according to claim 5 , wherein the diluent is selected from: malitol claim 5 , sunflower oil claim 5 , ammonium alginate claim 5 , calcium carbonate claim 5 , calcium lactate claim 5 , calcium phosphatedibasic anhydrous claim 5 , dibasic dihydrate claim 5 , tribasic claim 5 , calcium silicate claim 5 , calcium sulfate claim 5 , cellulose (powdered claim 5 , silicified microcrystalline) claim 5 , cellulose acetate claim 5 , compressible sugar claim 5 , confectioner's sugar claim 5 , corn starch and pregelatinized starch claim 5 , dextrates claim 5 , dextrin claim 5 , dextrose claim 5 , erythritol claim 5 , ethylcellulose claim 5 , fructose claim 5 , fumaric acid claim 5 , glyceryl ...
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