What is the Purpose of this Study?
-Give blood samples and a sample of your tumor tissue to find out if you can participate
-Have a procedure called leukapheresis, which filters your blood through a machine and removes
some of your white blood cells (lasts about 4 hours). Your white blood cells will be used to make the study drug
-Get chemotherapy with fludarabine and cyclophosphamide for 3-4 days into a vein
-Have a hospital admission to get the Study drug (GSK3377794)
-Complete follow-up phone calls and visits
Who Can Participate in this Study?
Adults with advanced synovial sarcoma, or myxoid/round cell liposarcoma.
For more information on who can participate in this study please contact the study team.
What is Involved?
We are doing this study to find out if the study drug (GSK3377794) can help people with synovial sarcoma or with myxoid/round cell liposarcoma.
We also want to learn more about how safe and effective the study drug is