- SIOP 2025, 57th Congress of the International Society of Paediatric Oncology, 20 – 23 October 2025, Amsterdam, the Netherlands
- SIOP 2024, 56th Congress of the International Society of Paediatric Oncology, 17 – 20 October 2024, Honolulu, USA
- SIOP 2023, 55th Congress of the International Society of Paediatric Oncology, 11 – 14 October 2023, Ottawa, Canada
- SIOP 2022, 54th Congress of the International Society of Paediatric Oncology, 28 September – 1 October 2022, Barcelona, Spain
- SIOP 2021, 53rd Congress of the International Society of Paediatric Oncology, 21 – 24 October 2021, Virtual
- SIOP 2020, 52nd Congress of the International Society of Paediatric Oncology, 14 – 17 October 2020, Virtual
- SIOP 2019, 51st Congress of the International Society of Paediatric Oncology, 23 – 26 October 2019, Lyon, France
- SIOP 2018, 50th Congress of the International Society of Paediatric Oncology, 16 – 19 November 2018, Kyoto, Japan
- SIOP 2017, 49th Congress of the International Society of Paediatric Oncology, 12 – 15 October 2017, Washington DC, USA
- SIOP 2016, 48th Congress of the International Society of Paediatric Oncology, 19-22 October 2016, Dublin, Ireland
- SIOP 2015, 47th Congress of the International Society of Paediatric Oncology, 08-11 October 2015, Cape Town, South Africa
Past Annual Meetings
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2026 SIOP Congress
News
We are pleased to invite you to the upcoming educational webinar: Improving Access to Effective Therapy for Childhood Cancer: GPACCM Date: Thursday, 11 June 2026 Time: 14:00 (GMT)
This award is for SIOP members who has demonstrated meaningful contributions to adolescent and young adult (AYA) oncology care, particularly within global health and resource-limited settings.
SIOP members are warmly invited to join the Open Forum 2026—a unique opportunity to connect directly with SIOP leadership, share your perspectives, and actively contribute to shaping the organization’s future.