Table 3. Summary of responses to second-line or later chemotherapy.

	Immunocompetent (n = 29)	Overall (n = 34)
Complete response, n (%)	0	0
Partial response, n (%)	3 (10.3)	3 (8.8)
Stable disease, n (%)	3 (10.3)	3 (8.8)
Progressive disease, n (%)	23 (79.3)	28 (82.4)
ORR (95% CI), %	10.3 (2.2–27.4)	8.8 (1.9–23.7)
Median DoR (range [95% CI]), months	1.9 (1.3–2.1 [1.3–2.1])	1.9 (1.3–2.1 [1.3–2.1])
DRR (95% CI), %	0.0 (0.0–11.9)	0.0 (0.0–10.3)
Median TTD (95% CI), months	2.8 (2.5–4.3)	2.7 (2.5–2.9)

DoR, duration of response; DRR, durable response rate; ORR, overall response rate; TTD, time to treatment discontinuation.