The HRA has issued a statement regarding the requirements for researchers to undertake training.
Clinical Trials of Investigational Medicinal Products (CTIMPs):
For clinical trials of investigational medicinal products adherence to good clinical practice (GCP) principles is incorporated into UK legislation. The Medicines and Healthcare products Regulatory Agency (MHRA) issued a statement in June 2012 to clarify requirements. The (MHRA) position on Good Clinical Practice (GCP) training is available here [external link].