Liquid Biopsy for Bone Cancer
Trial Summary
The trial information does not specify whether you need to stop taking your current medications. It mainly focuses on patients who have not yet started chemotherapy or radiation therapy, or those who have a pre-treatment sample available.
Research shows that FoundationOne Liquid CDx can identify targetable mutations in high-risk cancers, including bone sarcoma, which can guide treatment decisions. Liquid biopsies, like FoundationOne Liquid CDx, are effective in other cancers for monitoring therapy and identifying treatment targets, suggesting potential benefits for bone cancer as well.
12345Liquid biopsy is unique because it uses a simple blood or urine test to detect cancer-related molecules, making it less invasive and painful than traditional tissue biopsies. This approach can help monitor the cancer in real-time and guide treatment decisions without the need for surgical procedures.
23567Eligibility Criteria
The LEOPARD trial is for individuals aged 12 months to 50 years with a new diagnosis of Ewing sarcoma or high-grade osteosarcoma, who have not started or just begun treatment. It's not for those with distant metastatic disease, other types of sarcomas, complete tumor resection before joining the study, pelvic primary tumors in osteosarcoma patients, or if pregnant.Inclusion Criteria
Exclusion Criteria
Trial Timeline
Screening
Participants are screened for eligibility to participate in the trial
Part A: ctDNA Evaluation
Participants provide blood samples at pre-defined times to evaluate ctDNA for genetic alterations in Ewing sarcoma or osteosarcoma.
Part B: ctDNA Return of Results
Participants provide blood samples for ctDNA testing, with results returned to providers and patients.
Follow-up
Participants are monitored for event-free survival and other outcomes after the main study phases.