OHDSI Announces 18-Hour 2020 Global Symposium Schedule

The OHDSI community will welcome both network veterans and newcomers from all parts of the world to join in an 18-hour celebration of open science, international collaboration, and community fun on Monday, Oct. 19 during the 2020 OHDSI Global Symposium. Part of a four-day event that will include both a day of tutorials on Oct. […]
EHDEN Certifies 10 European SMEs To Map Data To OMOP CDM
The OHDSI community, a proud collaborator with the European Health Data & Evidence Network (EHDEN) since its launch in 2018, celebrates another impressive milestone from EHDEN, which recently certified 10 European SMEs (Small to Medium Enterprise) to map data to the OMOP Common Data Model. EHDEN has performed multiple certification processes over the last year to […]
2020 European Symposium Collaborator Social Showcase
When the 2020 European Symposium was canceled, several community members who had been accepted for the collaborator showcase decided to move forward with creating their poster for a virtual showcase. You can scroll through these posters below. If you are interested, click on the link under each poster, as several have more materials on their […]
OHDSI Kicks Off International Collaborative to Generate Real-World Evidence on COVID-19 with Virtual Study-a-thon

The Observational Health Data Sciences and Informatics (OHDSI) international community will host a COVID-19 virtual study-a-thon this week (March 26-29) to inform healthcare decision-making in response to the current global pandemic. More than 290 people from 29 different countries have registered for the four-day online event, which will be led by researchers from Oxford University, […]
OHDSI Plans Virtual Study-A-Thon To Aid Response To COVID-19 Following Cancellation Of 2020 European Symposium
While cautionary measures in light of the COVID-19 outbreak led the OHDSI European Symposium Organizing Committee to cancel the 2020 European Symposium scheduled for later this month, the community has responded with plans to aid in the international fight against this disease. In true OHDSI fashion, the community plans to do it collaboratively. As announced […]
Cervical Cancer Risk Decreases In Users Of Copper IUDs vs. Hormonal IUDs; Team Seeks Community Involvement For Network Study

Patients who used copper intrauterine devices (Cu IUD) were found to have a lower risk of high-grade cervical neoplasms (cervical cancer) compared to users of the levonorgestrel-releasing intrauterine system (LNG-IUS), according to a Columbia study recently published in Obstetrics & Gynecology. Studies from the 1980s suggested a reduced risk of cervical cancer among women who used […]
2019 OHDSI Korea Symposium Page
The 2019 OHDSI Korea Symposium took place Dec. 12-14 at the Konjiam Resort in Gwangju and attracted 330 people to the main symposium on Dec. 13. It was another great gathering of OHDSI collaborators — both veterans and those just starting on the journey — to learn from each other, present their own research, and network […]
Recommended Diuretic Causes More Side Effects than Similar Hypertension Drug, Per Recent LEGEND Study
READ THE FULL STUDY HERE Chlorthalidone, the guideline-recommended diuretic for lowering blood pressure, causes more serious side effects than hydrochlorothiazide, a similarly effective diuretic, according to a recent OHDSI study. The findings, published in JAMA Internal Medicine, contrast with current treatment guidelines recommending chlorthalidone over hydrochlorothiazide. The researchers found that patients taking chlorthalidone had nearly […]
Invested Stakeholders, OHDSI Tools/Practices Drive Successful Rheumatoid Arthritis Study-A-Thon In Barcelona

One year after a similar study-a-thon at Oxford resulted in a knee replacement study published by The Lancet Rheumatology, 40 stakeholders from across industry, academia, and health systems — representing 10 different nations and 14 observational databases — gathered to participate in a OHDSI-EHDEN Study-a-thon and run the world’s largest network studies on Rheumatoid Arthritis […]
Book Of OHDSI, Now Available In English/Korean Versions, Provides Central Knowledge Repository For Collaborators
Education will be a crucial tool to empower the OHDSI community to collaborate on large-scale observational health research. Throughout the month, OHDSI.org will feature various educational tools that have been developed by the community, for the community. PREVIOUS STORIES: • OHDSI Introduction At Georgia Tech Educates Both Students And Professor • First Korea Tutorial, OHDSI […]