Weekly OHDSI Digest - March 31, 2025

WEEKLY COMMUNITY CALL MEETING

Our community has published more than 800 studies related to OHDSI or OMOP, and five lead authors will join our April 1 community call (11 am ET) to present their recently published research.s

Cindy Cai • Johns Hopkins University

Semaglutide and Nonarteritic Anterior Ischemic Optic NeuropathyJAMA Ophthalmology

Chen Yanover • KI Research Institute

Characteristics and Outcomes of Over a Million Patients with Inflammatory Bowel Disease in Seven Countries: Multinational Cohort Study and Open Data ResourceDigestive Diseases and Sciences

Mitchell Conover • Janssen Research and Development

Objective study validity diagnostics: a framework requiring pre-specified, empirical verification to increase trust in the reliability of real-world evidenceJAMIA

Jiayi Tong • Johns Hopkins University

DisC2o-HD: Distributed causal inference with covariates shift for analyzing real-world high-dimensional dataJournal of Machine Learning Research

Naimin Jing, Yiwen Lu • University of Pennsylvania

Evaluating the Bias, type I error and statistical power of the prior Knowledge-Guided integrated likelihood estimation (PIE) for bias reduction in EHR based association studiesJournal of Biomedical Informatics

Everybody is invited. Calendar invites went out last week. If you did not receive one, please use this link to join the meeting. All recordings from these weekly calls are available within our Teams environment and will be posted on both our YouTube page and our OHDSI.org Community Calls page.

WEEKLY WORKING GROUP MEETINGS

Upcoming Workgroup Calls – OHDSI

OHDSI SHOUTOUTS

Congratulations to the team of Eizen Kimura, Yukinobu Kawakami, Shingo Inoue, and Ai Okajima on the recent publication of A dataset for mapping the Japanese drugs to RxNorm standard concepts in Data in Brief.

• Congratulations to the team of Florian Katsch, Rada Hussein, Tanja Stamm, and Georg Duftschmid on the recent publication of Converting Health Level 7 Clinical Document Architecture (CDA) documents to Observational Medical Outcomes Partnership Common Data Model (OMOP CDM) by leveraging CDA Template definitions in JAMIA Open.

• Congratulations to the team of Meredith C B Adams, Matthew L Perkins, Cody Hudson, Vithal Madhira, Oguz Akbilgic, Da Ma, Robert W Hurley, and Umit Topaloglu on the recent publication of Breaking Digital Health Barriers: Development and Validation of an LLM-Based Tool for Automated OMOP Mapping in the Journal of Medical Internet Research.

• Congratulations to the team of Michelle Hribar, Cindy X Cai, Kerry E. Goetz, and George Hripcsak on the recent publication of The OHDSI Network in Ophthalmology-The Promise of Observational Health Data in JAMA Ophthalmology.

OHDSI UPDATES

The submission deadline for the 2025 Collaborator Showcase is July 1. The showcase will be accepting both posters and software demos, as well as interest in hosting lightning talks. More information on the symposium, including abstract submission and registration links, will be available soon.

• Our fourth annual DevCon will be held Friday, April 25, from 9 am - 2 pm ET. This virtual session continues to connect our global open-source community so that we can learn about recent updates and discuss ways to continue enhancing the future of OHDSI open-source software.

• Christian Reich and Sarah Seager are leading an effort to publish a second edition of the Book of OHDSI, which will include updates to previous text and new paragraphs/chapters. This work is taking place within the Education workgroup; if you would like to join this effort, please sign up here.

The R/Medicine virtual conference provides a forum for sharing R based tools and approaches used to analyze and gain insights from health data. The call for proposals (talks, demos and workshops) is open through Friday, April 11.

Save The Dates

• The OHDSI Global Symposium will be held Oct. 7-9 at the Hyatt Regency Hotel in New Brunswick, NJ, USA. Agenda and registration information will be shared when available.

Registration is open for the Europe Symposium, which will be held July 5-7 in the “Old Prison” building of Hasselt University in Hasselt, Belgium.

OHDSI Social Showcase

• Research from the 2024 Global Symposium Collaborator Showcase is also being shared daily on OHDSI’s LinkedIn, Twitter/X and Instagram feeds as part of the #OHDSISocialShowcase. Below are posters (with study leads) that are featured this week:

Monday — Enhancing Infectious Disease Data Integration and management through OMOP-CDM in South Korea (Min Ho An)

Tuesday — Towards automated phenotype definition extraction using large language models (Ramya Tekumalla)

Wednesday — Can we combine propensity score modeling and patient level prediction to make counterfactual predictions? (Jenna Reps)

Thursday — Real-world Effectiveness of Medications for Opioid Use Disorder (RWE-MOUD) (Ruochong Fan)

Friday — Health Trends Across Communities in Minnesota: a Statewide Dashboard Leveraging the OMOP CDM to Monitor the Prevalence of Health Conditions (Samuel Patnoe)

OHDSI MSTEAMS

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Please continue to collaborate in our MS Teams environment, check out the OHDSI website and forums , and follow us on all platforms, including Twitter and LinkedIn to get continued updates and information on everything happening in our community