Who are we:

SIOP is the only global multidisciplinary society entirely devoted to paediatric and adolescent cancer. The society has over 1,800 members in over 100 countries, including doctors, nurses, other health-care professionals, scientists and researchers.

  • Our members are dedicated to increasing knowledge about “all aspects” of childhood cancer.
  • We are linked to many other oncology healthcare professionals and organizations in both developed and developing countries.
  • SIOP’s vision is that no child should die of cancer and that cure can be achieved with no or minimal late effects.

Why Support & Exhibit:

  • SIOP 2025 promotes education about all aspects of Paediatric & Adolescent Oncology to all oncology professionals, parents and survivors of cancer.
  • Our congress represents a unique opportunity to stay up to date in this rapidly moving field and to bring the latest science to bedside.
  • Attendance of over 2,500 multi-disciplinary health care professionals from over 100 countries and hundreds of health care institutes, hospitals, universities and other organizations. These attendees are frequently decision makers at their institutions.
  • SIOP 2025 encourages networking among our membership and attendees at our congress to promote collaborative research, mentor young investigators and offer education opportunities globally.
  • We collaborate with many other specialties and sub-specialties. The range of supportive care and symptom management includes infectious diseases, nutrition, blood products, haemopoietic growth factors, immunodeficiency products, pain management and nausea.

Scientific Breakdown:

Curious about the science shared at SIOP24? Click here to dive into an exciting breakdown of the latest abstracts findings from the conference!
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SIOP 2024 Scientific Breakdown

Previous SIOP Congress Statistics:

Statistics from SIOP 2024 – Honolulu, Hawaii, USA

Total registrations

In Person Registrations

Online Registrations

Top 10 Countries – In Person

Top 10 Countries – Virtual

World Regions (%)

PARTICIPANTS BY AGE (%)

PARTICIPANTS BY PROFESSIONAL ROLE (%)

PARTICIPANTS BY WORKPLACE (%)

PROFESSIONAL SPECIALTY (%)

TOPIC OF INTEREST (%)

Pediatric Hematology/Oncology - 31.52
Oncology - 21.43
Other - 13.22
Pediatric Surgery - 9.64
Nurse - 6.12
Pediatrics - 5.01
Hematology - 3.31
Psychologist - 3.20
Radiation Oncology - 2.92
General Surgery - 1.54
Acute Lymphoblastic Leukaemia - 8.84
Paediatric Oncology in Developing Countries (PODC) - 7.68
Brain tumours - 6.75
Neuroblastoma - 6.75
Supportive care/palliative care - 5.76
Renal tumours - 5.38
Psychosocial - 5.10
Bone tumours - 5.10
Others - 4.94
New drugs/experimental therapeutics - 4.83