Registration Abstract Submission is Open! Your research can impact child care and help us save lives.
Send your work today. Deadline: March 17, 2026 SUBMIT MY ABSTRACT   Save the date Hosted by: Hosted by: SIOP 2025 Sessions on demand available Until January 2026 VIRTUAL PLATFORM LOGIN   Membership MEMBERS Enjoy a number of benefits Join the community today! LEARN MORE

ABOUT THE CONGRESS

SEPTEMBER 15-18, 2026 | SAN ANTONIO,TEXAS, USA

Experience 4 outstanding days of cutting-edge science, engaging debates and networking with world renowned experts at SIOP 2026!

Advance your paeditatric oncology career, connect with like-minded people and contribute to a world where no child should die of cancer!

KEY DATES FOR YOUR CALENDAR

March 17, 2026 (midnight CET) – Abstract Submission Deadline

March 17, 2026 – SIOP 2027 Proposal Submission Deadline

September 15-18, 2026 – SIOP 2026 Congress

Welcome Letter

Abstract Submission

Promotional Toolkit

GET READY FOR SAN ANTONIO

Discover how to navigate the city and find other essential travel information for your visit!

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In conjunction with:

SIOP is the only global multidisciplinary society entirely devoted to paediatric and adolescent cancer.

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Re-live some of the best moments from the 2025 Congress and get ready for an even better one!

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