TABLE 5.

Clinical efficacy in patients with or without previous anthracycline-based chemotherapy.

Characteristics	Previous anthracycline-based chemotherapy	No	p-value
	Yes
ORR (%)	35.7 (18.6–55.9)	50.0 (18.7–81.3)	0.473
DCR (%)	67.9 (47.6–84.1)	80.0 (44.4–97.5)	0.690
M-PFS (months)	4.50 (2.5–8.5)	5.25 (2.0–NA)	0.413
4 months PFS rate (%)	53.6 (38.0–75.6)	50.0 (26.9–92.9)	0.846
6 months PFS rate (%)	32.1 (18.8–55.1)	50.0 (26.9–92.9)	0.324

Data are presented as percentages or probabilities (95% CI).