Overall, 331 pts (70%) in the C arm and 160 (68%) in the P arm had elevated b AFP levels, and 236 (50%) and 111 (47%), respectively, were evaluable for AFP response at Week 8. Among evaluable pts, 117 pts (50%) in the C arm vs 14 (13%) in the P arm had an AFP response and 72 (31%) vs 75 (68%), respectively, had AFP progression....AFP response rate was higher with C vs P, and AFP response was associated with longer OS and PFS with C for pts with previously treated advanced HCC.