As the SIOP community gathers for the Annual Business Meeting in Amsterdam, we take this opportunity to express our deepest gratitude to Dr. Guillermo Chantada as he concludes his distinguished term as SIOP President. Over the past four years, Guillermo has led SIOP through a period of remarkable growth, innovation, and resilience. Under his leadership, [...]

The International Society of Paediatric Oncology (SIOP) is proud to announce the publication of the SIOP Guidance Standards Framework for Paediatric Oncology Units in Low- and Middle-Income Countries - a landmark resource designed to guide the organisation, delivery, and continuous improvement of childhood cancer services worldwide. Developed through an international, multidisciplinary collaboration of experts across [...]

Dear SIOP Asia Members,  We are happy to share with you a few updates and survey link below.  SIOP2025 Congress – Online Access with CME credits It’s not too late to register for the online access to the Congress: www.siop-online.org/register Hope you join us online – more than 280 colleagues have already registered for online [...]

Join us for the SIOP GHN Annual Assembly on Sunday, October 19, 13:00 – 16:00 CEST at the RAI Amsterdam, Entrance G, Room G109

Thursday, October 16, 2025 Art Exhibition “Heroes: A world without childhood cancer” – Free of charge Time: 10:00 – 17:00 daily Venue: De Hallen, Hannie Dankbaarpassage 47, 1053 RT Amsterdam About: An exhibition on childhood cancer worldwide will be held at De Hallen from October 16 until November 15, 2025 Heroes: A world without childhood […]

The mission of the Indian Pediatric Hematology Oncology Group (INPHOG) is to improve outcomes of children with cancer in India through collaborative research. Our initial efforts (2015 to 2021) with limited formal funding managed to create an ecosystem where centres came together to participate in research studies resulting in recruitment of 13,182 children with cancer […]

We are delighted to announce a Call for SIOP Asia Meet-Up Organisers! SIOP is seeking enthusiastic volunteers to host informal, in-person Meet-Ups in their cities between 1–31 July 2026. These gatherings are part of our Asia-wide Meet-Up Initiative, bringing together paediatric oncology professionals to network, share experiences, and connect with fellow SIOP members. Why Host [...]

At the 80th United Nations General Assembly (UNGA 80), childhood cancer was recognised at the highest political level for the first time during the Fourth High-Level Meeting on Noncommunicable Diseases (NCDs) and Mental Health. On 26 September 2025, the International Society of Paediatric Oncology (SIOP) and Memorial Sloan Kettering Cancer Center (MSK) co-hosted the high-level [...]