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EudraCT user manual

EudraCT number, CTA & Login for posting results

Protocol documentation
Results documentation
Tutorials on posting results
NCAs contacts
Technical documentation
EU Clinical Trials Register
Need Help? Contact us!

Welcome to the EudraCT public home page

EudraCT (European Union Drug Regulating Authorities Clinical Trials Database) is the European database for all interventional clinical trials on medicinal products authorized in the European Union (EEA) and outside the EU/EEA if they are part of a Paediatric Investigation Plan (PIP) from 1 May 2004 onwards. It has been established in accordance with Directive 2001/20/EC. Protocol and results information on interventional clinical trials are made publicly available through the European Union Clinical Trials Register since September 2011.

In order to navigate through the present website, it is strongly encouraged to refer to the EudraCT user manual.

Sponsors’ representatives are recommended to prepare and post clinical trials results as explained in the Tutorials on posting results webpage.

Requirements to provide results for authorised clinical trials: Joint Letter by the European Commission, EMA and HMA


What's New


The website EU Clinical Trials Register is experiencing delays. Users are advised to refresh the webpage more than once or to try to open it from a different browser. We are working in order to solve this issue. We thank you very much for your patience.


Users have reported that the webpage “EudraCT number, CTA & Login for posting results” is currently offline. Our technical team is working on it. We hope to be able to resolve this issue soon and we apologise for this inconvenience. Update: The issue was resolved at 13:30 CET.

EudraCT statistics for the month of November 2019 are now available here.


A new version of the Clinical Trial Application form was launched, as referred in EudraLex. Updates regard the footnotes section. This does not have an impact on the clinical trial application form that is created through this website, since footnotes are not included in it.


Need help? Contact us! has been updated with more useful information


The FAQs have been updated and can be found here.


We are currently experiencing technical issues with the EU CTR website. Trials which should be in public domain are currently not being shown. Our technical teams are working on it. We apologise for any inconvenience. Update: the issue was resolved on 22-11-2019


The EMA Service Desk is temporarily unavailable. The EMA is working to fix the issue as quickly as possible. We apologise for any inconvenience. The service was restored in the afternoon of 14.11.2019.


EudraCT statistics for the month of October 2019 are now available here.


We are experiencing some technical issues in the EudraCT Secure website. This issue may affect search, entering data and XML uploads. We apologise for any inconvenience this has caused.


Essential maintenance to EudraCT Application

The EudraCT application will be unavailable between 8:00 and 9:00 on Thursday, 17 October, due to essential maintenance. For any questions, please contact the EMA Service Desk.


Essential maintenance to EudraCT Application

EudraCT application will be unavailable due to essential maintenance activities as follows:

  • Friday, 4th October 2019 between 07.00-09.00hrs
  • Wednesday, 9th October 2019 between 18.00-20.00hrs

If you have any questions, please contact the IT Service Desk.


EudraCT statistics for the month of September 2019 are now available here.


Technical issued with EudraCT Resolved

The earlier issues with EudraCT affecting the upload of XML files have now been resolved.


Technical issues with EudraCT

Currently there is a known issue with uploading XML files. We are working to resolve this as quickly as possible.
Thank you for your patience. If you have any questions, please contact the EMA service desk.


Weekend maintenance to most EMA computer applications during the weekend of 21st – 22nd September 2019.

Users should be aware that due to essential maintenance work on Oracle databases, most of EMA’s computer applications will experience downtime between the hours of 18.00 on Friday, 20 September and 06.00 on Monday, 23 September 2019.

If you have any questions, please contact the IT service desk


EudraCT CTA - Release notes are now available here.

Previous news can be found here