...all ccRCC cell lines (A498, A704, 769-P, and 786-O) harboured an FGFR4 copy number amplification...To investigate the anti-cancer effect of BLU9931 in vivo, we subcutaneously implanted mice with A498 xenografts….The tumour size decreased 3 days after the initiation of treatment. The two treatment groups showed similar results, compared with the control groups. A significant difference in tumour volume between the 30 mg/kg and 100 mg/kg groups was observed on days 10 and 8, respectively...