The Health Improvement Network

The Health Improvement Network (THIN) is a large database of anonymised electronic medical records collected at primary care clinics throughout the UK. The THIN database is owned and managed by The Health Improvement Network Ltd in collaboration with In Practice Systems Ltd. The Health Improvement Network Ltd & In Practice Systems Ltd are both subsidiary companies of Cegedim SA History The THIN database is similar in structure and content to the Clinical Practice Research Datalink (CPRD, previously known as GPRD), which is now managed by the United Kingdom Medicines and Healthcare products Regulatory Agency (MHRA).