Service description

The Los Angeles Data Resource (LADR) is a joint project of major Los Angeles health care provider organizations aimed at enabling clinical investigators to explore the size of potential research study cohort across each participating institution. By integrating medical records and clinical research data, investigators in the greater Los Angeles area are able to find sets of aggregated patient information through a web-based application all while preserving patient privacy.

Benefits for users

Through LADR, investigators can obtain aggregate patient counts to:

  • determine study feasibility at participating sites
  • complete NIH targeted tables

Who is participating?

  • Charles Drew University
  • Children's Hospital Los Angeles
  • Cedars-Sinai Health System
  • City of Hope
  • UCLA

How to get access

USC researchers are required to complete (1) Human Subjects Training and (2) HIPAA training. Once complete, and reflecting in your iStar profile, please email requesting an account.

Click here to view the FAQs for information about obtaining IRB approval for data requests, i2b2, and other informatics questions BEFORE sending an email for help.

Log in to LADR (Keck)



Request this service

Click here

CRI Open Office Hours

Wednesdays at 10AM: Open hours to discuss anything CRI related except for REDCap.

Zoom link

Contact information

SC CTSI support team

View Email

Patient Data Resources for Clinical Research

View comparison of all patient data resources here.

NIH Funding Acknowledgment: Important - All publications resulting from the utilization of SC CTSI resources are required to credit the SC CTSI grant by including the NIH funding acknowledgment and must comply with the NIH Public Access Policy.