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Table 3 Comparative overview of the literature focusing on brachytherapy boost for anal canal carcinoma according to the brachytherapy dose-rate

From: Interstitial high-dose rate brachytherapy as boost for anal canal cancer

Authors (Year)

# pts*

Median FU (months)

Dose Rate

Median BT dose (Gy)

LR (%)

OS (%)

Colostomy

Late toxicity ≥ G3 [%]

     

LRR (%)

LCR (%)

 

CR %

CFS %

 

Peiffert et al. (1997) [16]

101/118

72

LDR

21.5

N/A

60 (5 y)

9

-

13.5

Papillon et al. (1989) [17]

221

> 36

LDR

20 to 30

N/A

69.2 (3 y)

2.7

-

N/A

Wagner et al. (1994) [18]

96

35.5 to 51.7**

LDR

20.2**

16.6

-

64 (5 y)

N/A

9.25

Gerard et al. (1999) [19]

19

N/A

PDR

10 to 25

5,2

-

100 (1 y)

0

-

0

Bruna et al. (2006) [20]

71

28.5

PDR

17.8**

N/A

90 (2y)

-

89 (2 y)

N/A

 

Roed et al. (1996) [10]

17

11.3

PDR

28.85

23.5

-

N/A

47

-

N/A

Kapp et al. (2001) [21]

39

31

HDR

6 to 12***

 

81 (3 y)

80 (3 y DSS)

-

78 (3 y)

7.6

76 (5 y)

76 (5 y DSS)

73 (5 y)

Vordermark et al. (2001) [5]

20

52.8**

HDR

5 to 12

5

-

84 (5 y)

-

68.9 (5 y)

N/A

Doniec et al. (2006) [23]

50

34

HDR

8 to 12

N/A

74 (5 y)

4

-

N/A

Oehler-Jänne et al. (2007) [24]

34

60**

HDR

14

10.3 (5y)

-

66 (10 y)

15

-

N/A

Saarilahti et al. (2008) [25]

29/59

51

HDR

12

N/A

N/A

N/A

N/A

Kapoor et al. (2013) [15]

16

41

HDR

18 (6f)

-

87.5 (2 y)

N/A

N/A

0

21 (7f)

N/A

Falk et al. (2014)

28

27.5

HDR

12 (3f)

-

83 (2 y)

87.7

-

75.1 (2 y)

7.1

  1. *If ratio, number of patients treated by brachytherapy boost/total number of patients treated.
  2. **Mean.
  3. ***6 Gy during the EBT period and 6 Gy after EBT in case of partial response.
  4. # pts: number of patients; FU: follow-up; BT: brachytherapy; LR: local recurrence; LRR: local recurrence rate; LCR: local control rate; OS: overall survival; CR: colostomy rate; CFS : colostomy free survival; LDR: low-dose rate brachytherapy; PDR: pulsed dose rate brachytherapy; HDR: High-dose rate brachytherapy; NA: non-applicable; DSS: disease specific survival.