What is IO?
Your Guide to Amsterdam
Live and On Demand
Sponsors & Exhibitors
ET & ECIO 2008
Oncology Alliance Subcommittee
IO Accreditation for Hospitals
Your accommodation for ECIO 2019
Get great rates for the best hotels close to the conference centre by booking through CIRSE's official travel partner!
CIRSE Library package and video
Learn more about immunotherapy and genomics in IO!
Stay up to date all year round!
Join ECIO on Facebook for the latest news on IO and upcoming congresses throughout the year!
Preliminary Programme now online
Get a sneak peek at the programme for ECIO 2019
Record attendance at ECIO 2018
More than 1,400 people flocked to Vienna to attend the tenth edition of the congress, making it the most successful ECIO to date. Click here to download your Certificate or Record of Attendance.
Watch ECIO 2018 on demand
All ECIO 2018 sessions are available on demand free of charge. Don't miss out!