Clinical Trials

Inclusion Criteria:

• Age 18 years old and older
• Metastatic bone or soft tissue sarcoma requiring a clinically directed biopsy or resection of tumor at Mayo Clinic Rochester
• Willingness to provide blood samples prior to the biopsy or resection, during systemic therapy, and/or during follow up
• The absence of a second active malignancy
• An understanding of the protocol and its requirements, risks, and discomforts
• The ability and willingness to sign an informed consent

Exclusion Criteria: 

• Pregnancy or lactation (for females)
• Inability on the part of the patient to understand the informed consent or be compliant with the protocol
• History of a serious or life-threatening allergic reaction to local anesthetics (i.e., lidocaine, xylocaine)