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. 2013 Jan 5;8:7. doi: 10.1186/1748-717X-8-7

Table 3.

SBRT reirradiation for head and neck cancer

Clinical trial Voynov et al. 2006 Heron et al. 2009 Unger et al. 2010 Roh et al. 2009 Ozyigit et al. 2009 Vargo et al. 2012
n
22
25
65
36
24
34
Initial therapy dose
median BED10 97.8 Gy (70.1 – 190.3 Gy)
median, 64.7 Gy
median 67 Gy (32–120 Gy)
median, 70.2 Gy (39.6 – 134.4 Gy)
median, 70 Gy (48–70 Gy)
median 61.2 Gy (42–157 Gy).
Interval
n/s
13 months (range, 5–94 months)
26 months (range, 2–318 months)
24 months (range, 3.1–252.6)
38 months (range, 10–242 months)
53 months (range, 1–302 months)
Re-irradiation dose
5 (1 – 8) x 5 Gy (3 – 16 Gy)
5 x 5 Gy
5 (2–5) x 6
3 x 10/13 Gy
5 x 6 Gy
median dose of 40 Gy in 5 fractions (interquartile range, 30–44 Gy)
 
 
5 x 6.4 Gy
Gy (4–12Gy)
5 x 5/8 Gy
 
 
 
 
5 x 7.2 Gy
 
 
 
 
 
 
5 x 8.0 Gy
median 30 Gy (21–35 Gy)
 
 
 
 
 
5 x 8.8 Gy
 
 
 
 
Target size (median)
TV 19.1 cm3 (range, 2.5 – 140.3 cm3)
TV 44.8 mm3 (range, 4.2–216.6 mm3)
Target volume 75 cm3 (range, 7–276 cm3)
GTV 22.6 cm3 (range, 0.2 to 114.9 cm3)
TV 63.4 cm3 (range 26.3–170.4 cm3)
TV 19,6ml (range, 4.5 – 103.9 ml)
Median follow-up time
19 months (range 11–40 months)
n/s
16 months
17.3 months
24 months
10 months (range, 0–55 months)
Local control
26% @ 2 years
n/s
30% @ 2 years *
61% @ 1 year
82% @ 2 years
77% @ 6 months
 
 
 
 
52.2% @ 2 years
 
59% @ 1 year
Overall survival
22% @ 2 years
median 6 months (95% CI 5–8 months)
12 months
52.1% @ 1 year
cancer specific survival
76% @ 6 months
 
 
 
41% @ 2 years *
30.9% @ 2 years
 
 
 
 
 
 
 
64% @ 2 years
59% @ 1 year
Toxicity
1/22 grade 2,
3/25 grade 1
19/65 acute grade 1–3 toxicities
13/36 grade 3 acute toxicities
5/24 severe late side effects (grade ≥ 3)
Acute/late grade 3 toxicity was 15/6%, with no grade 4–5 toxicity
 
1/22 grade 3 mucositis
1/25 grade 2
 
 
 
 
 
 
No grade 3–5 toxicities
 
3/36 late toxicity: 1 bone necrosis, 2 soft tissue necrosis
 
 
 
No grade 4/5 toxicitiy
 
 
 
 
 
 
 
 
6/65 late grade 4 toxicities: arterial bleeding, soft
 
 
 
 
 
 
tissue necrosis, fistula formation
 
 
 
      1 treatment related death      

Abbreviations: BED10 = biologically effective dose (α/β of 10 for acute/tumor effects); n/s = not specified; @ = at time of; TV = tumor volume; GTV = gross tumor volume.

* definitively treated patients.