The present invention is directed to a high drug load tablet formulation of [(1R),2S]-2-aminopropionic acid 2-[4-(4-fluoro-2-methyl-1H-indol-5-yloxy)-5-methylpyrrolo[2,1-f][1,2,4]triazin-6-yloxy]-1-methylethyl ester, and to methods of using the formulation in the treatment of cancer. The tablet is obtained by means of a wet granulation process.