Combination of External Beam Radiotherapy With 153Sm-EDTMP to Treat High Risk Osteosarcoma
Metastatic Osteosarcoma
About this trial
This is an interventional treatment trial for Metastatic Osteosarcoma focused on measuring Osteosarcoma, Osteogenic Sarcoma, Sarcoma, Bone Cancer
Eligibility Criteria
Inclusion Criteria:
- Patients must be between 13 and 65 years of age, inclusive
- Must have unresectable primary tumor or metastases
- Must have measurable disease that is demonstrated by positive Tc-99m Bone Scan. Not all lesions must be positive on bone scan.
- Creatinine clearance >70ml/min/1.73m2
- ANC >500/mm3
- Platelets >50,000/mm3
- Life expectancy > 8 weeks
- Karnofsky performance status >50%
- Stem cell product collected prior to the infusion of Samarium must be available, either by peripheral stem cell mobilization or bone marrow harvest prior to trial entry.
Exclusion Criteria:
- Patient may not be pregnant or breastfeeding.
- Patients who have received prior radiotherapy to all areas of current active disease are not eligible.
Sites / Locations
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Arms of the Study
Arm 1
Experimental
SmEDTMP/Autologous Stem Cell Infusion/RT
DAY 1 Tracer dose 153Sm-EDTMP administration (1 mCi/kg) SPECT/High-resolution CT at 4 hours. SPECT/CT (low resolution) at 24 and 48 hrs DAY 7 Individualized treatment dose 153Sm-EDTMP administration (max 30 mCi/kg) SPECT scans at 4, 24 and 48 hours DAY 21 (2 weeks following treatment dose) Auto-Stem cell infusion DAY 40 (approx. two weeks after stem cell rescue) Initiate EBT upon count recovery 1 MONTH following completion of all therapy Response assessment with repeat imaging (CT/MRI, Tc-99m bone scan) 18F-MISO/FDG PET