Acute Lymphoblastic Leukemia


This definition is based on information by the National Cancer Institute (NCI). We only provide general information and advice from medical professionals should be followed. More information is available on the NCI-website at Last updated: August 2015.


A leukemia is a cancer that develops in blood-forming tissue, such as bone marrow. Leukemia is sometimes also called cancer of the blood. The disease does not create lumps or tumors but is rather characterized by the large-scale production of abnormal and immature blood cells. In the event of acute leukemia the immature blood cells increase rapidly, while in chronic leukemia the cells develop in a more normal manner, resulting in the disease taking longer to set in.
Acute Lymphoblastic Leukemia is an aggressive disease in which too many lymphoblasts (immature white blood cells) are found in the blood and bone marrow. Also called acute lymphocytic leukemia and ALL.



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Acute lymphoblastic leukemia

Acute lymphocytic leukemia

Acute lymphoïd leukemia


Acute lymphoblastic leukaemia

Acute lymphocytic leukaemia

Acute lymphoïd leukaemia

Acute leukemia

Blood cancer


Therapies by type

The following list of treatments is based on what we have found in scientific studies about cancer. More information about the listed therapies can be found under the tab THERAPIES. For registered drugs, radiotherapy and surgical interventions, approval by the authorities is given.

Registered drugs

Anti-cancer drugs with market authorization in the USA or in countries of the European Union. More

Cell-based therapies

Administration to patients of their own or someone else’s manipulated human cells. More

Natural products (excluding registered drugs)

Substances found in nature that usually have a pharmacological or biological activity. More


Controlled consumption of carefully selected foods and beverages with the intent to influence disease outcome.

Clinical trials

A clinical trial is a research study conducted with patients to evaluate whether a new treatment is safe (safety) and whether it works (efficacy). Clinical trials are performed to test the efficacy of drugs but also non-drug treatments such as radiotherapy or surgery and combinations of different treatments. Clinical trials take place in all kinds of hospitals and clinics, but mostly in academic hospitals. They are organized by researchers and doctors.

The Anticancer Fund provides a tool to search for phase III clinical trials by type of cancer and by country. For Belgium, the Netherlands, Switzerland, Luxembourg, France and the UK, the Anticancer Fund provides contacts to get more information about the phase III clinical trials currently ongoing. Discuss the possibilities of participating in one of these clinical trials with your doctor.

The list of the phase III clinical trials for acute lymphoblastic leukemia is available here.