Our pathbreaking research

A legendary study of antihypertensive drugs 

To identify the best medication for newly diagnosed patients, LEGEND takes a novel tack.

A pioneering prostate cancer study

For some patients, no treatment is best. Weighing the risks and benefits of watchful waiting.

Exploring older, underrepresented patients’ needs

A new program called “All of Us” explores the needs of older patients who identify as LGBTQ+ and live with HIV.

New service ensures reproducibility in research 

OHDSI is working to elevate reproducibility as a mark of study quality and dependability.

OHDSI community spurs early COVID-19 studies 

In a four-day marathon, 330 volunteers from 30 countries came together to ask and answer questions.

Taking the measure of long COVID syndrome

For some patients, COVID’s symptoms persist long after their acute infection has passed.