Table 3 Efficacy outcomes for patients with dose reductions or interruptions (brain metastasis-negative population).

From: Safety analyses from the phase 3 ASCENT trial of sacituzumab govitecan in metastatic triple-negative breast cancer

Outcome

Overall BMNeg population

Dose reductions

No dose reductions

Dose interruptions

No dose interruptions

SG (n = 235)

TPC (n = 233)

SG (n = 62)

TPC (n = 52)

SG (n = 173)

TPC (n = 181)

SG (n = 144)

TPC (n = 78)

SG (n = 91)

TPC (n = 155)

ORR (BICR), n (%)

82 (35)

11 (5)

29 (47)

7 (13)

53 (31)

4 (2)

56 (39)

5 (6)

26 (29)

6 (4)

CBR (BICR), n (%)

105 (45)

20 (9)

37 (60)

11 (21)

68 (39)

9 (5)

71 (49)

12 (15)

34 (37)

8 (5)

Best overall response, n (%)

CR

10 (4)

2 (1)

5 (8)

1 (2)

5 (3)

1 (1)

7 (5)

0

3 (3)

2 (1)

PR

72 (31)

9 (4)

24 (39)

6 (12)

48 (28)

3 (2)

49 (34)

5 (6)

23 (25)

4 (3)

Median PFS (BICR), mo (95% CI)

5.6 (4.3–6.3)

1.7 (1.5–2.6)

8.3 (5.4–10.3)

2.9 (2.7–4.3)

4.6 (3.5–5.7)

1.5 (1.4–1.7)

5.7 (4.3–7.0)

2.7 (1.7–3.0)

4.2 (2.9–6.8)

1.6 (1.5–2.2)

  1. Assessed in brain metastases-negative population (SG, n = 235; TPC, n = 233).
  2. BICR blind independent central review, BMNeg brain metastases-negative, CBR clinical benefit rate, CR complete response, ORR objective response rate, PFS progression-free survival, PR partial response, SG sacituzumab govitecan, TPC treatment of physician’s choice.