Table 2 Outcomes in patients with and without visceral disease at baseline

From: Exploratory analysis of the visceral disease subgroup in a phase III study of abiraterone acetate in metastatic castration-resistant prostate cancer

Outcome

Patients with visceral disease

Patients without visceral disease

 

AA+ P (n=253)

P (n=99)

P-value

AA+P (n=544)

P (n=299)

P-value

Overall survival

 Median, months

12.9

8.3

0.1022

17.1

12.3

<0.0001

 HR (95% CI)

  

0.79 (0.60–1.05)

  

0.69 (0.58–0.83)

Radiographic progression-free survival

 Median, months

5.6

2.8

0.0002

5.9

5.1

<0.0001

 HR (95% CI)

  

0.60 (0.46–0.78)

  

0.68 (0.58–0.80)

PSA response rate, %

28

7

<0.0001

30

5

<0.0001

Objective response rate, %

11

0

0.0058

19

5

0.0010

 Relative risk (95% CI)

  

NE

  

3.51 (1.53–8.04)

  1. Abbreviations: AA, abiraterone acetate; CI, confidence interval; HR, hazard ratio; NE, not estimable; P, prednisone.