IQVIA Medical Research Data (IMRD)

IQVIA (previously known as The Health Improvement Network - THIN)
HDB-0134

IQVIA Medical Research Data is a longitudinal database of de-identified electronic health records from more than 6 million patients in England, derived from participating general practices using EMIS Health, Cegedim, and other clinical systems, and approved by the NHS Health Research Authority for medical research. Researchers access IMRD through application and data-sharing agreements for observational studies, pharmacovigilance, and comparative effectiveness research.

Category
Research database
Access
By application
Region
UK — United Kingdom
Coverage
6+ million patients from English general practices
License / terms
Proprietary
Data types
Primary care records, Prescriptions, Diagnoses, Test results, Immunisations, Height and weight

Record HDB-0134 · last verified 2026-08-24 · listed in Research databases

Related records

HDB-0082

Kenya Medical Research Institute (KEMRI)

Kenya Medical Research Institute KEMRI is a Kenyan health research institute established in 1979, conducting research on infectious diseases, parasitic diseases, epidemiology, and non-communicable diseases with laboratories and extensive surveillance networks. The institute operates the Kilifi Health and Demographic Surveillance System (KHDSS), a Clinical Information Network spanning 25 hospitals, and maintains a biobank of over one million samples.
Research database Credentialed
HDB-0090

Japan MID-NET (Medical Information Database Network)

Pharmaceuticals and Medical Devices Agency (PMDA) A distributed medical information database established in 2018 aggregating electronic health records, insurance claims data, and diagnosis procedure combination information from healthcare institutions. The database supports real-world drug safety assessments and pharmacoepidemiological research with rigorous quality management standards.
Research database Credentialed
HDB-0092

National Health Information Database / National Health Insurance Service Data

National Health Insurance Service (NHIS) A research data platform providing access to universal health insurance and health screening data covering over 50 million members of South Korea's national insurance system. The database includes eligibility data, health screening results, healthcare utilization records, prescriptions, and mortality information for the entire insured population.
Research database Credentialed
HDB-0093

Health Insurance Review and Assessment Service Data (HIRA)

Health Insurance Review and Assessment Service A claims repository containing healthcare reimbursement data from 98% of South Korea's population covering 56+ million patients (2015-2024 in standardized OMOP-CDM format). The database includes patient demographics, diagnoses, prescriptions, procedures, and surgical information supporting health services research.
Research database Open access