avelumab
Merck,Pfizer
['urothelial', '#gu,(-#gui),(-#gunagratinib),(-#guard),(-#gut)', 'pfizer']
see post-hoc analyses of long-term outcomes by 1l chemo regimen and os from start of 1l chemo from a phase 3 study evaluating efficacy and safety of immunotherapy in advanced #urothelialcarcinoma patients at asco #gu23 508 
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