Directives and guidelines of the European Parliament, the Council and the Commission

Directive 2001/20/EC of the European Parliament and of the Council of 4 April 2001 on the approximation of the laws, regulations and administrative provisions of the Member States relating to the implementation of good clinical practice in the conduct of clinical trials on medicinal products for human use.
Directive 2001/20/EC

Commission directive 2005/28/EC of 8 April 2005 laying down principles and detailed guidelines for good clinical practice as regards investigational medicinal products for human use, as well as the requirements for authorisation of the manufacturing or importation of such products.
Directive 2005/28/EC

Regulation of the European Parliament and of the Council on Clinical Trials on Medicinal Products (EU) (536/2014):
Regulation 536/2014

Regulation 1901/2006 of the European Parliament and of the Council on Medicinical Products for Paediatric Use:

Regulation 1901/2006

Regulation 1902/2006 of the European Parliament and of the Council Amending Regulation 1901 on Medicinal Products for Paediatric Use:

Regulation 1902/2006

Regulation 2016/679 of the Eruopean Parliament and of the Council on the Protection of Natural Persons With Regard to the Processing of Personal Data and on the Free Movement of Such Data:

General Data Protection Regulation

Clinical trials guidelines:
Clinical trials
EudraLex - Volume 10 Clinical trials guideline