General Information

Welcome to the 57th Congress of the International Society of Paediatric Oncology (SIOP 2025)

 Amsterdam, The Netherlands, October 20-23, 2025

Venue

RAI Amsterdam

Europaplein 24, 1078 GZ Amsterdam

Website

How to get there? Find out more here

Opening Hours

PRE-PAID REGISTRATION FOR ONSITE PARTICIPANTS

Print your name badge at any Self Check-In station located in the registration area during opening hours.
You can check in using one of the following options:
✅ Scan the barcode from this email or your Personal Area in the mobile app
✅ Use Face Recognition (available if you uploaded a photo during registration)

Dress Code

During the entire Congress, attire will be informal.

Wi-Fi

Network Name: SIOP2025

Password: siop2025

Upon arrival at the venue, you can connect to the local Wi-Fi network using the details above. If you notice excessive slowness due to potential network overload, please use your mobile data plan.

Mobile App:

Download the mobile app to enhance your SIOP 2025 experience and access all the information you need!
Available on the App Store (compatible with version 13.0 and later on iOS) and Google Play Store (compatible with version 8.0 and later on Android).

• Scan the QR Code to find and download the SIOP 2025 app on the App Store or Play Store

Scientific Programme

Please click here to view the SIOP 2025 scientific programme

Guidelines for Speakers / Poster Presenters / Chairs

Click here to review the instructions and guidelines for speakers

Click here to review the instructions and guidelines for Poster Presenters

Click here to review the instructions and guidelines for Session Chairs

Industry Information

• Confirmed Supporters & Exhibitors –Click here

Networking Events

Monday, October 20

The Welcome Networking Reception takes place in the Exhibition Area at 20:15

All registered participants are invited to an enriching networking experience at the Welcome Networking Reception after SIOP’s Opening Ceremony.

Don’t miss this fantastic opportunity to make the most of the SIOP Congress and expand your network. See you there!

Wednesday, October 22

Let’s run together and raise funds to support the fight against childhood cancer!

Join the Fun(d) Run & Walk! For further details and availability please visit the registration desk.

Date: Wednesday, October 22, 2025

Starting: 6:30 am

Location: Beatrixpark

Meeting Point: Kogelbron (between Entrances G and E of the congress venue)

The time of the run is very early, and it might still be dark and chilly, so please prepare and dress accordingly.

Saturday, October 19

Join us for an unforgettable evening of networking, fun, and entertainment in the congress’ venue:

Date: Wednesday, October 22, 2025

Time: from 19:30 to 23:00

Location: Europe Foyer 2, Ground Floor of the Congress’ Venue RAI Amsterdam

*Tickets are limited; please check availability at the registration desk.

Congress Abstracts and Embargo Policy

Congress abstracts will be available on the mobile App during the congress. Your research will gain wide exposure, you will get valuable feedback and ideas, and your name will be recognised in the programme. All registered abstracts will be published 3 months after the congress in the Pediatric Blood and Cancer (PBC): the Official Journal of SIOP.

CME and Certificate of Attendance

SIOP 2025 Congress has been accredited by the European Accreditation Council for Continuing Medical Education (EACCME®)  with a maximum of with 30.5 European CME credits

Nursing Continuing Professional Development: The maximum number of hours awarded for this Nursing Continuing Professional Development activity is TBA CME credits.

For further information and to download your Certificate of Attendance AFTER the congress, please click here. Printed Certificates of Attendance will not be available onsite.

Watch On Demand

Within 36 hours after a session, all content will be available as video on demand for up to 3 months on the Virtual platform. Please note that at SIOP 2025 there will not be any live-streamed sessions.

The Virtual Congress Platform will be accessible from October 20, 2025 at 07:00 am CET till January 20, 2025.
Please do not sign in before this time as you will not have full access to the platform if you do.
Your Unique Sign-in Credentials will be emailed to you by the start of the congress. If you did not receive your credentials, please contact:  reg_SIOP25@kenes.com

CLICK HERE to access the virtual congress login page 

WHAT TO EXPECT ON THE VIRTUAL PLATFORM

• Accessible from all around the world, all you need is your computer and an Internet connection.
  *Please note the platform works best with Google Chrome.
• Within 36 hours after a session, all content*will be available as video on demand for up to 3 months. (

*Subject to presenter approval

• Access to e-poster gallery

Prescriber / Non-Prescriber

Support from pharmaceutical partners helps make this event possible. As such, it is important that we
comply with the various codes and directives relating to the manufacturing, distribution, and marketing of pharmaceutical products. The Human Medicine Regulations 2012, (clauses 294-300) and the European Union directive (2001/83/EC, article 86) provide guidelines relating to medicinal products for human use. Within these guidelines is the restriction that access to pharmaceutical product marketing activities must be limited to only those participants licensed / authorised to prescribe or supply medicinal products.

All participants, with the exception of the exhibitors, are asked the following question during registration: Are you licensed / authorised to prescribe or supply prescription only medicines?

Guest attendance Policy

All event activities (including educational sessions, meal functions, exhibit hall, etc.) are exclusively reserved for registered attendees. Non-registered guests (including children, family members, colleagues, etc.) are not allowed in any of the event areas. Badges provided at registration are required for entrance into all functions and will be strictly enforced.

Liability And Insurance

Please do not leave bags or suitcases unattended at any time, whether inside or outside the session halls. Hotels strongly recommend that you use their safety deposit boxes for your valuables.

The SIOP 2025 Congress Secretariat and Organizers cannot accept liability for personal accidents or loss of or damage to private property of participants. Participants are advised to take out their own personal travel and health insurance for their trip.

Congress Organizers

Kenes Group
Rue Francois-Versonnex 7, 1207 Geneva, Switzerland
Tel: +41 22 908 0488   |    Fax: +41 22 906 9140