Cohort Selection

Recruitment Services and ResearchMatch Access

Recruitment Services offers:

  • Identification of cohorts from the UCSF APeX and ZSFG inpatient medical records
  • Direct mail to potential participants
  • Recruitment tips and materials
  • Information on using ResearchMatch secure national recruitment registry
Hourly Recharge, first hour free per project
Clinical & Translational Science Institute (CTSI)

De-Identified APeX Files

Get access to UCSF clinical data since June 2012 without patient identifiers. No IRB approval required!

  • Full export of encounter, diagnosis, medication, labs and flow sheets in .csv format. Requires ability to read in large > 10GB files and some programming language experience to manipulate these files. SAS read-in files are available.
  • Research Data Browser (RDB): This workbench enables researchers without programming expertise to browse, visualize, and export de-identified APeX patient data sets in a self-serve manner.
  • Patient re-identification available for participant recruitment
  • Data management services are available

See instructions for first-time and returning users or request personal assistance

Free for UCSF community
Academic Research Systems (ARS)
ARS Support

UC ReX Data Explorer

Search 15+million patient records from the University of California's 5 Medical Centers. This self-service tool allows UC investigators to identify potential research study cohorts at UCSF, UCLA, UC Davis, UC Irvine and UC San Diego.

  • Cohort identification and recruitment
  • Retrospective data analysis
  • Data management services are available

Submit an Enterprise Analytics Dashboard and Data Tools Access Request, selecting the UC ReX Data Explorer option (requires MyAccess)

UC Office of the President (UCoP)
ARS Support