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AssigneeAllgenesis Biotherapeutics Inc.
InventorsFei LIU, Cuixia ZHANG, Weiming JIANG, Chin-Yu LAI, Tan NGUYEN, Haolong ZHANG
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Crystalline forms of free base 3-Z-[1-(4-(N-((4-methyl-piperazin-1-yl)-methylcarbonyl)-N-methyl-amino)-phenylamino)-1-phenyl-methylene]-6-methoxycarbonyl-2-indolinone and preparation methods thereof are provided; the pharmaceutical formulations containing the crystalline forms and their use in the treatment of diseases, particularly angiogenic eye diseases are also provided.
A crystalline form of free base 3-Z-[1-(4-(N-((4-methyl-piperazin-1-yl)-methylcarbonyl)-N-methyl-amino)-phenylamino)-1-phenyl-methylene]-6-methoxycarbonyl-2-indolinone, characterized by having an X-ray powder diffraction (XRPD) pattern with a peak at 2θ value of 6.4±0.2, and at least one peak at 2θ value selected from 16.6±0.2, 17.4±0.2, 17.8±0.2, and 19.9±0.2.
A crystalline form of free base 3-Z-[1-(4-(N-((4-methyl-piperazin-1-yl)-methylcarbonyl)-N-methyl-amino)-phenylamino)-1-phenyl-methylene]-6-methoxycarbonyl-2-indolinone, characterized by having an XRPD pattern with peaks at 2θ values of 11.2±0.2, 14.8±0.2, 16.4±0.2, 17.0±0.2, and 21.0±0.2.
Dependencies are inferred from the claim text.