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Adult Acute Lymphoblastic Leukemia Treatment (PDQ®): Treatment - Patient Information [NCI] - Treatment Option Overview

There are different types of treatment for patients with adult ALL.

Different types of treatment are available for patients with adult acute lymphoblastic leukemia (ALL). Some treatments are standard (the currently used treatment), and some are being tested in clinical trials. A treatment clinical trial is a research study meant to help improve current treatments or obtain information on new treatments for patients with cancer. When clinical trials show that a new treatment is better than the standard treatment, the new treatment may become the standard treatment. Patients may want to think about taking part in a clinical trial. Some clinical trials are open only to patients who have not started treatment.

The treatment of adult ALL usually has two phases.

The treatment of adult ALL is done in phases:

  • Remission induction therapy: This is the first phase of treatment. The goal is to kill the leukemia cells in the blood and bone marrow. This puts the leukemia into remission.
  • Post-remission therapy: This is the second phase of treatment. It begins once the leukemia is in remission. The goal of post-remission therapy is to kill any remaining leukemia cells that may not be active but could begin to regrow and cause a relapse. This phase is also called remission continuation therapy.

Treatment called central nervous system (CNS) sanctuary therapy is usually given during each phase of therapy. Because standard doses of chemotherapy may not reach leukemia cells in the CNS (brain and spinal cord), the cells are able to "find sanctuary" (hide) in the CNS. High doses of certain anticancer drugs, intrathecal chemotherapy, and radiation therapy to the brain are able to reach leukemia cells in the CNS. They are given to kill the leukemia cells and keep the cancer from recurring (coming back). CNS sanctuary therapy is also called CNS prophylaxis.

Four types of standard treatment are used:

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 (intrathecal chemotherapy), an organ, or a body cavity such as the abdomen, the drugs mainly affect cancer cells in those areas (regional chemotherapy). Combination chemotherapy is treatment using more than one anticancer drug. The way the chemotherapy is given depends on the type and stage of the cancer being treated.

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