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Treatment

The most effective treatment for leukemia is chemotherapy, which may involve one or a combination of anticancer drugs that destroy cancer cells. Specific types of leukemia are sometimes treated with radiation therapy or biological therapy. Each type of leukemia is sensitive to different combinations of chemotherapy. Medications and length of treatment vary from person to person. Treatment time is usually from one to two years.

Chemotherapy

Your treatment may consist of different chemotherapy drugs and biological therapies. The short-term goal is for a complete remission (CR). A complete remission means that the bone marrow has less than 5 percent blasts, the absolute neutrophil counts is over 1,000 and the platelet count is over 100,000.

The long-term goal is for an extended disease-free state and cure.

A course or cycle is the period of time from the start of your chemotherapy until either the blood and bone marrow cell counts are back to normal or when you are able to receive further treatment. In some cases, the leukemia cells are destroyed only from the blood and not from the bone marrow during the first course of chemotherapy. In these cases, a second course may be needed.

If the leukemia does not respond to one or two courses of treatment, a different drug program may be used to bring on a remission. A different drug program may also be used if a relapse occurs.

A specific treatment plan is called a protocol. Each protocol is usually named by letters with each letter standing for a particular drug. A protocol may be considered either standard or experimental therapy. Your doctor will discuss with you the advantages and disadvantages of a particular type of therapy. Once your protocol is determined, you will receive more specific information about the drug(s) that will be used to treat your leukemia. Common side effects of most chemotherapy drugs include hair loss, nausea and vomiting, decreased blood counts and infections.

Radiation Therapy

Radiation therapy is used along with chemotherapy for some kinds of leukemia. Radiation therapy (also called radiotherapy) uses high-energy rays to damage cancer cells and stop them from growing. The radiation comes from a large machine. Radiation therapy for leukemia patients may be given in two ways. For some patients, the doctor may direct the radiation to one specific area of the body where there is a collection of leukemia cells, such as the spleen or testicles. Other patients may receive radiation that is directed to the whole body. This is called total-body irradiation. This type of radiation usually is given before a stem cell transplant.

Biological Therapy

Biological therapy is sometimes used to treat leukemia. Biological therapies include growth factors, interleukins, monoclonal antibodies, etc. Some patients receive only biological therapy, while others also receive chemotherapy at the same time. You will receive more detailed information about biological therapy if it is used as a treatment for your type of leukemia.

Surgery

A splenectomy is the surgical removal of the spleen. The spleen is located in the abdomen, on the left side. It acts as a filtration system for blood cells. When a patient has chronic leukemia, the spleen tends to collect leukemia cells, transfused platelets and RBCs. Frequently the spleen enlarges from storing these cells. This makes it difficult for the chemotherapy to reduce the quantity of diseased cells. If the spleen is not removed, it sometimes grows so large that it causes breathing difficulty and compresses other organs. In that case, a splenectomy may be needed.

Clinical Trials

New treatments are always being tested in clinical trials and some patients with cancer may want to consider participating in one of these research studies. These studies are meant to help improve current cancer treatments or obtain information on new treatments. Talk to your doctor about the clinical trials that may be right for you.