What are the main treatment options for childhood leukemia?

The main treatment options for childhood leukemia depend on the type of leukemia, its severity, the child's age, and other factors. Potential treatments include chemotherapy, radiation therapy, stem cell transplantation following chemotherapy, and targeted therapy, which specifically targets cancer cells.

Main Types of Childhood Leukemia Treatment

Chemotherapy is the cornerstone of treatment for most types of childhood leukemia, particularly acute lymphoblastic leukemia (ALL) and acute myeloid leukemia (AML), which are the most common forms [1]. Chemotherapy uses drugs to stop the growth of cancer cells. It may also include intrathecal chemotherapy, where drugs are injected directly into the cerebrospinal fluid to treat or prevent the spread of cancer cells to the brain and spinal cord [2].

In addition to chemotherapy, other treatment options may include:

• Radiation therapy: This treatment uses high-energy rays to kill cancer cells or shrink tumors [1].
• Stem cell transplantation: This option is usually used after high doses of chemotherapy, where damaged bone marrow is replaced with healthy stem cells [1].
• Targeted therapy: This type of treatment uses drugs or other substances that attack specific cancer cells while minimizing damage to healthy cells [1].

Phases of Treatment and Determining the Treatment Plan

Acute lymphoblastic leukemia (ALL) in children is treated in three main phases: remission induction, consolidation/intensification, and maintenance [2]. The remission induction phase aims to kill leukemia cells in the blood and bone marrow to achieve remission. This is followed by the consolidation/intensification phase to kill any remaining leukemia cells that could cause a relapse. Finally, the maintenance phase aims to kill any residual leukemia cells that could grow again and cause a relapse; treatments are often given at lower doses during this phase [2].

Treatment options depend on several factors, including whether the leukemia cells originated from B or T lymphocytes, the child's risk group (standard risk, high risk, or very high risk), the child's age at diagnosis, the presence of specific chromosomal changes in the lymphocytes, and how quickly the leukemia cell count decreases during treatment [2].

Importance of Follow-up and Ongoing Care

Childhood leukemia treatment is often successful, but treatments can cause immediate or long-term complications later in life [1]. Childhood leukemia survivors require lifelong follow-up care to monitor and treat any complications that may arise [1]. It is very important to adhere to the treatment plan and follow up with the specialized healthcare team to ensure the best possible outcomes. You can learn more about early symptoms, diagnosis, and treatment of leukemia (Arabic).

Medical references

• Childhood Leukemia
• Childhood Acute Lymphoblastic Leukemia (PDQ®)–Patient Version