Many organisations are trying to exploit more value from their data to improve their products and services, offer new ones and optimise their own internal operations. With the General Data Protection Regulation (GDPR) in place, these organisations need to determine the lawful basis for such activities. De-identification techniques, such as pseudonymisation and anonymisation, can play an important role in facilitating such secondary uses and disclosures of data. In regard to de-identification, the GDPR introduces nuances that have not previously been seen, recognising the existence of different levels of de-identification and explicitly adding references to pseudonymisation as an intermediate form of de-identification. This webinar will describe pseudonymisation and anonymisation techniques, specifically for clinical trial data, and how these fit within the GDPR regulatory framework.