The systemic therapy agent or protocol used for treatment. Systemic therapy agents are drugs that travel through the bloodstream and reach and effect cells all over the body. They are administered orally or intravenously. Systemic therapy agents may be administered as single-agent treatments or as a combination of drugs administered according to a prespecified regimen or protocol. A protocol is a precise and detailed plan for therapy that includes the type, quantity, method and length of time of taking the drugs required for any treatment cycle. Systemic therapy agents are encompassed in the treatment modalities chemotherapy, immunotherapy and hormone therapy administered for the treatment of cancer. |