353 / 1138
/
Matthias Guckenberger - DEGRO 2015
32
Dose de-escalation
Excellent OS of 20.4 months in Platinum-resistant
stage NSCLC DESPITE lower irradiation doses
Prospective Phase II trial
Iyenger JCO 2014
•
Maximum 5 Platin-resistant sites based on FDG-PET
•
SBRT to all progressive sites,
•
Switch to concurrent Erlotinib
•
24 patients with 52 sites
1 Fx
3 Fx
5 Fx
Physical
dose
19 – 24Gy 27 – 33Gy 35 – 40Gy
Max BED
82Gy
70Gy
72Gy
In-field failure
3 / 21
Out-field failure
10 / 21
No failure
10 / 21
29.08.2015