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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



conditioning regimen  listen  (kun-DIH-shuh-ning REH-jih-men)

  The treatments used to prepare a patient for stem cell transplantation (a procedure in which a person receives blood stem cells, which make any type of blood cell). A conditioning regimen may include chemotherapy, monoclonal antibody therapy, and radiation to the entire body. It helps make room in the patient’s bone marrow for new blood stem cells to grow, helps prevent the patient's body from rejecting the transplanted cells, and helps kill any cancer cells that are in the body.