Clinical Research is a branch of medical research that involves people and aims to determine the safety and effectiveness of medicines, devices, diagnostic products and treatment regimes. These may be used for prevention, treatment, diagnosis or for relieving symptoms of a disease.

In the UK, Clinical Research is governed by the Regulatory body called the Medicines and
Health Regulatory Authority (MHRA)
The governmental body is the Health Regulatory Agency (HRA)

MHRA (Medicines and Healthcare products Regulatory Agency)