Explore & Discover

TriNetX Cohort Discovery

A research network combining Stony Brook's Electronic Medical Record data with the data of over 170 other health institutions — query cohorts in real time to assess study feasibility.

🏛 Available to: Medicine & University Campuses👥 Supported by: Research Informatics Platforms
170+health organizations in the network
8,400TriNetX logins at Stony Brook, FY 25/26
Real-timecohort counts as you build a query
No PHIde-identified data; nothing identifiable leaves the platform

What you can do

Answer "how many patients?" in minutes

TriNetX cohort data visualization
TriNetX combines Stony Brook's EMR data with 170+ other institutions so you can size and compare cohorts yourself.
Check study feasibilityModel your protocol criteria in real time and see how many patients match before you commit.
Compare cohorts and outcomesRun cohort comparisons, outcomes, treatment pathways, and incidence and prevalence analyses.
Find recruitment candidatesGet pre-qualified patient lists for study recruitment through the honest-broker process.
Join sponsored trialsSponsored-trial matchmaking surfaces Stony Brook as a site to industry sponsors.
📋
Do I need an IRB?Find out when your TriNetX work needs IRB approval before you start.
IRB guidance →

Features

Built for self-service research

👆Easy to usePoint-and-click cohort building, no coding required
📊Advanced analyticsCohort comparison, outcomes, treatment pathways
⚡Real-timeQuery counts update instantly for scenario modeling
🔮Predictive analyticsEligibility matching and feasibility forecasting
🧑‍💻Self-servicePIs run their own queries, with no request queue for counts
🔒SecurePrivacy-compliant; no PHI leaves the platform
🌐Network170+ healthcare organizations for multi-site comparison
🤝Industry sponsorshipSites are surfaced to industry sponsors for trials

The data

What's in TriNetX, and what isn't

Available

  • Demographics, diagnoses, medications
  • Procedures, labs, vitals, visit types
  • Mortality and progress notes (via NLP)
  • Genomics and allergies

Not available

  • Diagnostic reports and DICOM images
  • Provider names, departments, clinics
  • Patient-level identifiable data

Need identifiable data or data TriNetX doesn't have? Request it from the Enterprise Data Warehouse →

Get started

Start building cohorts in three steps

Request an accountSubmit the account request form. Stony Brook credentials required.Request access → Complete onboardingFinish any required onboarding and training in the Learning Center.Learning Center → Log in and buildSign in at live.trinetx.com and start building cohorts.Launch TriNetX →

Help and resources

Everything else you might need

❓FAQsAccess, data refresh, exports, and publishing 📋IRB guidanceWhen an IRB is and isn't required 🎓Learning CenterTip sheets and webinar series 📘DocumentationHow-to guides and resources
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