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29 maart 2019 van 8:00 am tot 31 maart 2019 van 6:00 pm


European OHDSI Symposium 2019

OHDSI’s mission is to improve health, by empowering a community to collaboratively generate the evidence that promotes better health decisions and better care ( As a community we envision a world in which observational research produces a comprehensive understanding of health and disease. OHDSI promotes a collaborative approach to research and has rapidly grown into a vibrant international community. Everyone is welcome to actively participate in OHDSI, whether as a patient, a health professional, a researcher, or someone who simply believes in our cause

The second European OHDSI Symposium called “The Journey from Data to Evidence” aims to explain how OHDSI’s methods and tools can be used to obtain reliable evidence. The focus this year will be on live demonstrations of the use of these tools to answer clinical questions.


The symposium is a platform to share results and ideas about the use of the OMOP-CDM, tool development, and future research studies. The day will include a collaborator showcase involving a poster session to highlight OHDSI’s research achievements and interactive demonstrations of OHDSI’s open-source software tools. Also this year we will have lightning talks from selected submissions.

The main symposium will take place on Friday March 29th 2019 at the educational center of the Erasmus Medical Center in Rotterdam, The Netherlands. The draft agenda of the meeting will be made available soon.

There is no fee to attend this symposium.


We strongly invite people that are new to OHDSI and are interested to learn more about this exciting initiative to join our Journey. Stakeholders from the following organizations who would benefit from the presentations and discussions during and following this event, include but are not limited to:

  • Regulators
  • AMIA, Technology and Software developers
  • Academia, Centers of Excellence
  • Groups involved in the discovery of new pathways for treatment of cancer and other diseases
  • Pharmaceutical and Device Industry
  • Health-care start-ups, Healthcare payers and providers, SMEs
  • Clinicians, Patients, and Disease-focused Patient Advocates and Foundations
  • Data standardization organizations


Five full-day tutorials will be offered this year on March 30th and March 31th in the educational center. There is an introductory and advanced track that you can mix. However, it is only allowed to register for one tutorial for each day. The price of the tutorials is 200 euro (excl 8 euro booking fee and tax)

There are three introductory workshops. There are no prerequisites for the introductory courses; attendance will be on a first-come, first-served basis:

1. OMOP-CDM and Standardized Vocabularies Tutorial

When: March 30th. 9:00-17:00

Faculty: Christian Reich, Erica Voss, Mui van Zandt

This tutorial will discuss all the details on the structure of the OMOP-CDM and the Standardized Vocabularies that are used to harmonize terminology. An important part of this tutorial is on how to transform your own dataset to the OMOP-CDM.

Target Audience: Data holders who want to apply OHDSI’s data standards to their own observational datasets and researchers who want to be aware of OHDSI’s data standards so they can leverage data in OMOP CDM format for their own research purposes.

2. OMOP Common Data Model Extract, Transform & Load Tutorial

When: March 31th. 9:00-17:00

Faculty: Erica Voss, Clair Blacketer

Learn about best practices and OHDSI tools developed to help with designing an extract, transform, & load process to take your database from raw observational data to the OMOP Common Data Model. Pre-requisite course would be the OMOP CDM & Vocabulary Tutorial or working experience with the OMOP CDM and OMOP Vocabulary.

Target Audience: Data holders, researchers, and regulators who want to learn more about the Extraction, Transformation, and Load process.

3. Cohort Building in OMOP CDM with real data: Hands-on experience

When: March 31th. 9:00-17:00

Faculty: Christian Reich, Patrick Ryan

This tutorial is intended for those that want to have some time to experience the OHDSI tools.

Target Audience: Data holders, researchers, and regulators who want to learn more about the OHDSI Tools.

There will also be two advanced methods workshops:

1. Population-level Effect Estimation

When: March 30th. 9:00-17:00

This workshop is for researchers who want to design estimation studies for safety surveillance and comparative effectiveness using the OHDSI tools and programmers who want to implement and execute estimation studies using the OHDSI methods library.

Course prerequisites: knowledge of OMOP CDM and Vocabularies and either 1) epidemiologic knowledge understanding of how to define cohorts or 2) R programming skills.

Faculty: Martijn Schuemie, Patrick Ryan


29 maart 2019 van 8:00 am
31 maart 2019 van 6:00 pm
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