Usher Institute

Accessing data

We can facilitate access to various data sets for research purposes.


What is CPRD?

The Clinical Practice Research Datalink (CPRD) is a governmental, not-for-profit research service, jointly funded by the NHS National Institute for Health Research (NIHR) and the Medicines and Healthcare products Regulatory Agency (MHRA), a part of the Department of Health.

Clinical Practice Research Datalink website

What is CPRD GOLD?

  • CPRD’s primary care database is called GOLD.
  • Contains the anonymised, longitudinal medical records of patients registered with contributing GP practices across the UK
  • Data collected from GP practices since 1987
  • 22 million patient lives currently, representative of the general UK population with respect to age, sex and ethnicity
  • New release of data every month

CPRD GOLD Data include

  • Demographics (year of birth, sex, weight, etc)
  • Symptoms and signs
  • Tests
  • Clinical events (medical diagnoses)
  • Immunisations
  • Prescriptions and interventions
  • Lifestyle information (e.g. smoking and alcohol status)
  • Referrals to secondary care
  • Linked  data (to hospital outpatients, A&E, admissions, cancer registrations, deaths etc.) are available for English GP practices

Who are we?

We are the authorised, licensed custodians of the CPRD GOLD dataset for the University of Edinburgh, based in the Usher Institute. 

What can we do?

  • Provide simple feasibility counts for your potential study/grant application for free.
  • Help develop the protocol application with you to CPRD’s Independent Scientific Advisory Committee (ISAC).
  • Extract ISAC approved CPRD GOLD data for you

More information about the ISAC process - CPRD website

Why access CPRD data through us?

This service is provided at a subsidised rate as part of the University of Edinburgh's agreement with CPRD.

Contact us for more information