Thromboembolic Complications Related to Asparaginase in Children With Acute Lymphoblastic Leukemia (ALL) Treated According to NOPHO ALL 2008

Thromboembolic Complications Related to Asparaginase in Children With ALL Treated According to NOPHO ALL 2008

The study will examine the prevalence of venous thromboembolism in children with acute lymphoblastic leukaemia treated in accordance with NOPHO ALL-2008. The investigators will prospectively study clinical symptomatic thromboses, asymptomatic central line-associated thromboses, and infections.

Inclusion Criteria:

• Acute lymphoblastic leukaemia,
• Age 1 year to 16 years old,
• Central line,
• Protocol NOPHO ALL 2008.

Exclusion Criteria:

• Refusal of participation,
• Treated according to protocol other than NOPHO ALL 2008.