Table 1.

CTC counts at the different time points after initiation of therapy

Baseline3-5 weeks6-8 weeks9-14 weeks15-20 weeks
No. patients1771329912984
≥5 CTCs, n (%)87 (49)41 (31)22 (22)24 (19)14 (17)
Median CTC2432344515
Mean CTC530359167916156
SD CTC2,6341,5392873,356302
Maximum CTC23,6189,86498316,488970