IMRT 2018

RTOG 0617: Local Tumor Failure

100

Fail

Total 213 206

65 81

Standard (60 Gy) High dose (74 Gy)

75

18-Month Local Progression Rate

HR=1.37 (0.99, 1.89)

p=0.0319

50

34.3%

25.1%

25

Local Progression Rate (%)

0

0

3

6

9

12 15 18

Months since Randomization

Patients at Risk Standard High dose

213 206

205 197

187 170

165 134

137 105

113 80

85 62