Symposium 2026
Continuous Collaboration for Living Evidence Generation
The 7th European OHDSI Symposium brought the European OHDSI community together in Rotterdam to share results, ideas, tools, and collaborations around OMOP CDM, open-source analytics, real-world evidence generation, and living evidence across Europe.
The main symposium took place on Monday, April 20, 2026 aboard the SS Rotterdam. The weekend program on April 18–19, 2026 included workshops and workgroup meetings at the Erasmus MC Education Centre.
Sessions (Slides & Videos)
Watch the recordings and download the slide decks for the main symposium sessions.
Agenda & Program Materials
View the symposium day agenda and weekend workshop agenda.
Main Symposium Day
The main symposium day on Monday, April 20, 2026 featured sessions on evidence generation, European initiatives, tool development, national nodes, and collaborative discussion.
Weekend Workshops & Workgroups
The weekend program on April 18–19, 2026 included tutorials, workshops, and workgroup meetings at Erasmus MC Education Centre.
Symposium Booklet
Agenda, symposium information, posters, software demonstrations, sponsors, and practical information.
Program Booklet
Download the full symposium booklet as PDF.
Posters & Abstracts
Search by title, author, or poster number. Links appear when available and approved for sharing.
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Workshops & Tutorials
Explore the tutorials, workshops, and educational sessions presented during the European OHDSI Symposium 2026 weekend program.
Introduction to OMOP CDM
An introductory hands-on tutorial covering the OMOP Common Data Model, vocabulary concepts, data standardization, and implementation fundamentals.
HADES Analytics Workshop
A practical workshop demonstrating OHDSI’s HADES ecosystem for cohort creation, patient-level prediction, estimation, and observational research.
Data Quality & Characterization
An overview of OHDSI methods and tools for assessing data quality, performing database characterization, and supporting transparent evidence generation.
ATLAS Study Design
A hands-on session introducing cohort definitions, pathway analysis, characterization workflows, and observational study design using ATLAS.
Gallery
Explore moments from the full three-day European OHDSI Symposium 2026 program in Rotterdam.
Sponsors
We thank our sponsors for supporting the European OHDSI Symposium 2026.
