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Table 2 Overall response rate on target areas (A) and best overall response (B – detailed response and C – CR + PR and SD + PD) for the standard dosimetry group at 3 and 6 months, according to mRECIST

From: Clinical impact of 99mTc-MAA SPECT/CT-based personalized predictive dosimetry in selective internal radiotherapy: a real-life single-center experience in unresectable HCC patients

(A) mRECIST ORR for HCC treated nodules

 

3 months

6 months

 

Group A

N = 19

Group B

N = 16

Group A

N = 10

Group B

N = 9

Response (n, %)

 CR

2/19 (10.53%)

5/16 (31.25%)

1/10 (10%)

3/9 (33.33%)

 PR

11/19 (57.89%)

9/16 (56.25%)

4/10 (40%)

5/9 (55.56%)

 SD

3/19 (15.79%)

1/16 (6.25%)

1/10 (10%)

0/9 (0%)

 PD

3/19 (15.79%)

1/16 (6.25%)

4/10 (40%)

1/9 (11.11%)

mRECIST ORR for HCC treated nodules

 

Group A

N = 19

Group B

N = 16

p-value

Response 3 months: n (%)

  

0.24

CR + PR

13 (68.4%)

14 (87.5%)

 

SD + PD

6 (31.6%)

2 (12.5%)

 

DCR (CR + PR + SD) 3 months: n (%)

16 (84.2%)

15 (93.8%)

0.61

 

Group A

N = 10

Group B

N = 9

p-value

Response 6 months: n (%)

0.14

 CR + PR

5 (50.0%)

8 (88.9%)

 

 SD + PD

5 (50.0%)

1 (11.1%)

 

(B) BOR according to mRECIST overall

 

3 months

6 months

 

Group A

N = 18

Group B

N = 15

Group A

N = 9

Group B

N = 9

Response (n, %)

 CR

1/18 (5.56%)

5/15 (33.33%)

1/9 (11.11%)

3/9 (33.33%)

 PR

5/18 (27.78%)

7/15 (46.67%)

1/9 (11.11%)

4/9 (44.44%)

 SD

5/18 (27.78%)

1/15 (6.67%)

1/9 (11.11%)

0/9 (0%)

 PD

7/18 (38.89%)

2/15 (13.33%)

6/9 (66.67%)

2/9 (22.22%)

BOR according to mRECIST/overall

 

Group A

N = 18

Group B

N = 15

p-value

Response 3 months: n (%)

0.007

 CR + PR

6 (33.3%)

12 (80.0%)

 

 SD + PD

12 (66.7%)

3 (20.0%)

 
 

Group A

N = 9

Group B

N = 9

p-value

Response 6 months: n (%)

0.06

 CR + PR

2 (22.2%)

7 (77.8%)

 

 SD + PD

7 (77.8%)

2 (22.2%)

 
  1. CR complete response, PR partial response, SD stable disease, PD progressive disease according to mRECIST. DCR is defined as the composite of ORR and stable disease between patients in group A and B