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Table 2 Canine GI toxicity rates from studies using hypofractionated radiotherapy

From: Late gastrointestinal tissue effects after hypofractionated radiation therapy of the pancreas

Author (reference)

Nc

Median follow-Up (months)

Radiotherapy

EQD 1.84

Chemo (%)

Surgery (%)

Late GI complications

Complication rate

Total GI toxicity rate

Ahmadu-Suka et al. [23]

4

4.8

17.5 Gy 1 fxa + 50 Gyb (exact)

126

none

100 %

 

0/4 (0 %)

0 %

3

25 Gy  1 fxa + 50 Gyb (exact)

177

none

100 %

 

0/3 (0 %

0 %

4

32.5 Gy 1 fxa + 50 Gyb (exact)

256

none

100 %

Non-perforated duodenal ulcersd

3/4 (75 %)

100 %

Perforated ulcersd

1/4 (25 %)

4

40 Gy 1 fxa + 50 Gyb (exact)

355

none

100 %

Non-perforated duodenal ulcersd

1/4 (25 %)

100 %

Perforated ulcersd

3/4 (75 %)

Halberg et al. [24]

2

6

30 Gy 1 fxa (exact)

176

none

100 %

Duodenal ulceration, grade 3

2/2 (100 %)

100 %

  1. aIORT
  2. bEBRT
  3. cNumber of dogs surviving ≥ 3 months
  4. dGrade not specified