International Society of Paediatric Oncology

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International Society of Paediatric Oncology or Societe Internationale D’Oncologie Pediatrique (SIOP) is the only global multidisciplinary society entirely devoted to paediatric and adolescent cancer. The society has over 2,600 members worldwide including doctors, nurses, other health-care professionals, scientists and researchers. Our members are dedicated to increasing knowledge about all aspects of childhood cancer.

SIOP’s vision is that no child should die of cancer: cure for more, care for all. SIOP mission is to improve the lives of children and adolescents with cancer through global collaboration, education, training, research and advocacy.


Prof. Kathy Pritchard-Jones

Events and Courses

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Official Journal

Pediatric Blood and Cancer (PBC)


Please visit here to view the career page

Contact Details

SIOP Secretariat, Stöcklen 16, 6344 Meierskappel
UK & Europe
+41 78 687 9163
Pediatrics and Neonatology, Oncology