Chow et al listed response criteria for pain following radiation therapy of bone metastases. The authors are from the International Bone Metastases Consensus Working Party.
Pain was measured using a 10 cm VAS scale.
Parameters:
(1) level of pain
(2) change in analgesic use
Specified in Paper
|
Pain |
Analgesic Use |
Response |
|
none |
same or decreased |
complete |
|
decrease >= 2 VAS points |
same or decreased |
partial |
|
same |
decreased >= 25% from baseline |
partial |
|
same |
increase >= 25% |
progression |
|
increase < 2 VAS points |
increase >= 25% |
progression |
|
increase >= 2 VAS points |
same or increased |
progression |
where"
• To keep the model simple the "same" analgesic use will be defined as before +/- 24%
• Likewise the "same" can be defined as before +/- 1 VAS.
Levels Required to Fill the Gaps
|
Pain |
Analgesic Use |
Response |
|
none |
none |
complete (optimum) |
|
none |
increased |
partial |
|
decrease >= 2 VAS points |
increased |
partial |
|
increase >= 2 VAS points |
decreased |
unchanged |
|
same |
same |
unchanged |
Specialty: Hematology Oncology
ICD-10: ,
