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Table 5 Exploratory analysis on H-scores for stathmin, pS6, pMTOR and pAKT

From: Phase I/II study of temsirolimus for patients with unresectable Hepatocellular Carcinoma (HCC)- a correlative study to explore potential biomarkers for response

Stathmin

H-scores Range: 0-300/300; Optimal Cut-off*: 15/300

H-scores: High vs. Low

High H-scores (>15/300)

Low H-scores (≤15/300)

 

Disease stabilization rate**

7/21 (33%)

7/13 (46%)

p = 0.238

OR for disease stabilization**

0.429 (95% CI 0.104-1.770)

p = 0.242

AFP response***

2/6 (33%)

6/16 (38%)

p = 0.376

pS6

H-scores Range: 0-300/300; Optimal Cut-off*:120/300

H-scores: High vs. Low

High H-scores (>120/300)

Low H-scores (≤120/300)

 

Disease stabilization rate**

8/17 (47%)

6/17 (35%)

p = 0.489

OR for disease stabilization**

1.630 (95% CI 0.411-6.459)

p = 0.487

AFP response***

4/11 (36%)

4/11 (36%)

p = 0.341

pMTOR

H-scores Range: 0-180/300; Optimal Cut-off*: 20/300

H-scores: High vs. Low

High H-scores (>20/300)

Low H-scores (≤20/300)

 

Disease stabilization rate**

7/10 (70%)

7/24 (29%)

p = 0.028

OR for disease stabilization**

5.667 (95% CI 1.129-28.454)

p = 0.035

AFP response

4/16 (25%)

4/6 (67%)

p = 0.085

pAKT

H-scores Range: 0-240/300; Optimal Cut-off*: 5/300

H-scores: High vs. Low

High H-scores (>5/300)

Low H-scores (≤5/300)

 

Disease stabilization rate**

4/11 (36%)

10/23 (43%)

p = 0.693

OR for disease stabilization**

0.743 (95% CI 0.169-3.262)

p = 0.694

AFP response***

7/16 (44%)

1/6 (17%)

p = 0.215

  1. *H-scores Optimal Cut-off based on ROC.
  2. **Disease stabilization rate (CR + PR + SD) ≥12 weeks, number of patients available for analysis = 34; disease stabilization in association with H-scores were compared using Fisher’s exact and proportional hazard model.
  3. ***AFP response, number of patients available for analysis = 22; AFP drop in association with H-scores were compared using Fisher’s exact.