bone metastasis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Agreement of recieving palliative radiotherapy for vertebral bone metastases (2) Bone metastases identifiable by diagnostic CT performed at our institution within 56 days prior to the date of enrollment in the study (3) Not wearing a corset or other external body equipment at the time of the CT (4) One posterior field or 2 anterior and posterior fields delivering 8 Gy in single fraction is considered sufficient to treat the vertebra (5) Patient is able to lie in supine position at rest (6) Written informed consent to participate in the study (7) Age 18 years or older
Exclusion criteria
Exclusion criteria: (1) Undetectable bone metastasis on the CT (2) Missing tissue of the CT if it was in the beam path (3) Substantial overlap with a previously treated radiation volume (4) Contraindication of radiation therapy to the area to be treated (5) Pregnant (6) Severe mentally retarded
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Completion rate of diagnostic CT-based radiation therapy | — |
Secondary
| Measure | Time frame |
|---|---|
| Time in radiation therapy center (TIC) Pain complete response rate and pain response rate at 4 and 12 weeks Adverse event incidence rate | — |
Countries
Japan
Contacts
Kyoto city hospital Department of radiation oncology