458 / 1851
1 2 3 4 5
Years after treatment
0
20
40
60
80
100
Loco-regional control (%)
RT + Eta
RT
27%
38%
n.s.
RTOG 85-27, 504 H&N patients
0 1 2 3 4 5
Years after treatment
0
20
40
60
80
100
Crude survival (%)
22%
39%
RT + Eta
RT
n.s.
Etanidazole
Lee et al. 1995