57th Congress of the International Society of Paediatric Oncology

Dates: 20-23 October 2025
Location: Amsterdam, the Netherlands

We are delighted to invite you to the 57th Annual SIOP Congress in Amsterdam. This vibrant and historic city will host our gathering, where we aim to advance childhood cancer care globally.

Organizing Committee

The Local Organising Committee, led by Dr. Rob Pieters and Dr. Gertjan Kaspers, has meticulously prepared a congress that combines Amsterdam’s charm with an inspiring program. This event promises exceptional opportunities for networking, collaboration, and professional growth.

Scientific Program

The Scientific Committee has curated an outstanding program featuring:

• Internationally renowned speakers
• Diverse symposia addressing pressing issues in pediatric oncology

Whether you are a new or returning delegate, the program offers intellectually rewarding and practically valuable content, reflecting the latest advances and global trends in childhood cancer research and care.

Global Gathering

Amsterdam’s central location in Europe makes it an ideal setting for a truly global gathering. We are excited to welcome experts and practitioners from around the world, with robust participation anticipated from all regions. This year’s congress will include:

• Biological, translational, and clinical research
• Specific tracks and sessions for cross-regional collaboration and knowledge-sharing

Our commitment to the WHO Global Initiative on Childhood Cancer and the PARC programme remains strong.

Scholarships and Inclusivity

In our dedication to inclusivity and supporting the next generation of pediatric oncology leaders, we are offering scholarships for Young SIOP members from low- and middle-income countries. Further details on how to apply will be shared soon.

Congress Experience

The 2025 congress will prioritize meaningful in-person interactions to spark ideas and collaborations. Recorded content will be available for those unable to attend.

Join us in Amsterdam to make the 2025 Congress an unforgettable chapter in our shared journey towards a world where every child with cancer has the chance to thrive.