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Kaposi Sarcoma Treatment (PDQ®): Treatment - Patient Information [NCI] - Treatment Option Overview

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Chemotherapy

Chemotherapy is a cancer treatment that uses drugs to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing. When chemotherapy is taken by mouth or injected into a vein or muscle, the drugs enter the bloodstream and can reach cancer cells throughout the body (systemic chemotherapy). When chemotherapy is placed directly into the cerebrospinal fluid, an organ, or a body cavity such as the abdomen, the drugs mainly affect cancer cells in those areas (regional chemotherapy). To treat local Kaposi sarcoma lesions, such as in the mouth, anticancer drugs may be injected directly into the lesion (intralesional chemotherapy). Sometimes the chemotherapy is given as a topical agent (applied to the skin as a gel.) The way the chemotherapy is given depends on the type of cancer being treated.

Liposomal chemotherapy uses liposomes (very tiny fat particles) to carry anticancer drugs. Liposomal doxorubicin is used to treat Kaposi sarcoma. The liposomes build up in Kaposi sarcoma tissue more than in healthy tissue, and the doxorubicin is released slowly. This increases the effect of the doxorubicin and causes less damage to healthy tissue.

See Drugs Approved for AIDS-Related Kaposi Sarcoma for more information.

Biologic therapy

Biologic therapy is a treatment that uses the patient's immune system to fight cancer. Substances made by the body or made in a laboratory are used to boost, direct, or restore the body's natural defenses against cancer. This type of cancer treatment is also called biotherapy or immunotherapy. Interferon alfa is a biologic agent used to treat Kaposi sarcoma.

New types of treatment are being tested in clinical trials.

Information about clinical trials is available from the NCI Web site.

Targeted therapy

Targeted therapy is a type of treatment that uses drugs or other substances to identify and attack specific cancer cells without harming normal cells. Monoclonal antibody therapy is one type of targeted therapy being studied in the treatment of Kaposi sarcoma.

Monoclonal antibody therapy is a cancer treatment that uses antibodies made in the laboratory from a single type of immune system cell. These antibodies can identify substances on cancer cells or normal substances that may help cancer cells grow. The antibodies attach to the substances and kill the cancer cells, block their growth, or keep them from spreading. Monoclonal antibodies are given by infusion. These may be used alone or to carry drugs, toxins, or radioactive material directly to cancer cells.

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