Table 2 Summary of time-to-event end points: overall response and survival

From: Gemcitabine alone or in combination with cisplatin in patients with biliary tract cancer: a comparative multicentre study in Japan

 

GC ( N =41)

GEM ( N =42)

 
 

n (%)

n (%)

P -value

Overall response rate

 Complete response (CR)

0 (0.0)

0 (0.0)

 

 Partial response (PR)

8 (19.5)

5 (11.9)

 

 Stable disease (SD)

20 (48.8)

16 (38.1)

 

 Progressive disease (PD)

9 (22.0)

17 (40.5)

 

 Not evaluable (NE)

4 (9.8)

4 (9.5)

 

 Response rate (95% CI)

19.5% (8.8, 34.9)

11.9% (4.0, 25.6)

0.380

 Disease control rate (CR+PR+SD) (95% CI)

68.3% (51.9, 81.9)

50.0% (34.2, 65.8)

0.119

Overall survival

 1-year survival rate (95% CI)

39.0% (23.7, 54.4)

31.0% (17.0, 44.9)

 

 Median survival time (95% CI)

11.2 months (9.1, 12.5)

7.7 months (6.1, 11.0)

 

 Hazard ratio (95% CI)

0.69 (95% CI: 0.42, 1.13)

0.139

Progression-free survival (PFS)

 Median PFS (95% CI)

5.8 months (4.1, 8.2)

3.7 months (2.1, 5.3)

 

 Hazard ratio (95% CI)

0.66 (95%CI: 0.41, 1.05)

0.077

 6-Months PFS rate (95% CI)

47.4% (31.4, 63.4)

27.7% (14.0, 41.5)

 
  1. Abbreviations: GC=gemcitabine and cisplatin; GEM=gemcitabine; CI=confidence interval.