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Table 2 Efficacy and survival in the intention-to-treat and per-protocol cohorts

From: The efficacy and safety of apatinib plus capecitabine in platinum-refractory metastatic and/or recurrent nasopharyngeal carcinoma: a prospective, phase II trial

 

Intention-to-treat population (n = 64)

Per-protocol population (n = 61)

No. (%) or %

95% CI

No. (%) or %

95% CI

Response

 CR

1 (1.6)

-

1 (1.6)

-

 PR

24 (37.5)

-

24 (39.3)

-

 SD

30 (46.9)

-

27 (44.3)

-

 PD

9 (14.1)

-

9 (14.8)

-

ORR

39.1

27.1–52.1

41.0

28.6–54.3

DCR

85.9

75.0–93.4

85.2

73.8–93.0

Progression-free survival

 Median, months

7.5

5.0–10.0

7.5

5.1–9.9

 6-month rate

57.8

45.6–70.0

57.4

45.1–69.7

 12-month rate

37.5

25.3–49.7

36.1

23.8–48.4

Overall survival

 Median, months

15.7

11.3–20.1

13.4

9.0–17.8

 6-month rate

81.3

71.6–90.9

82.0

72.4–91.6

 12-month rate

65.6

53.6–77.6

65.6

53.3–77.9

  1. Response was assessed according to the RECIST v1.1. Only confirmed responses were listed
  2. Abbreviations: CR Complete response, PR Partial response, SD Stable disease, PD Progressive disease, ORR Objective response rate, DCR Disease control rate