The Association of Medical Research Charities noted gaining access to these wasn't quite as simple as bringing the text of the regulation into UK law and access post-Brexit would be difficult. Health and Sport Committee Official Report 13 Mar 2018 COL 20
Dr Flear advised Article 7 of the European Commission's draft withdrawal agreement states clearly that, upon Brexit, the UK is not to access any EU database, including the clinical trials portal and database.Health and Sport Committee Official Report 13 Mar 2018 COL 20
We heard the only way access would be possible is if it was agreed as part of negotiations between the UK and the EU.