A practical guide for the implementation of Good Clinical Practice at sites for research and clinical trials staff. This guide takes the reader step by stpe through the GCP regulations and not only explains the meaning of each statement, but also how to implement it effectively at site level. Clear advice is given on where and how useful templates, SOPs and policies can be downloaded and used for free and hints and tips are delivered throuighout to demystify GCP and it's implementation at site. The sponsor section is dedicated to Investigtaor Initiated Trials (IITs) where Organisations are acting as both the site and the sponsor. Clear guidance is given on best practice for the management of IITs to ensure compliance with competent authority regulations.