What you can search for

This website provides information on individual clinical trials in the European Union and European Economic Area since its launch on 31 January 2022. Information on clinical trials initiated in the European Union and the European Economic Area before 31 January 2022 can be found in the European Union Clinical Trials Register.

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Information on clinical trials

 

A clinical trial is a study performed to investigate the safety or efficacy of a medicine. For human medicines, these studies are carried out in human participants (either patients or healthy volunteers).  

This website displays trials related to investigational medicinal products. Studies performed on medical devices or observational trials are out of scope.

   

Information you can view on each clinical trial includes:

  • Trial title, EU clinical trial number and protocol code
  • Therapeutic intent and objectives
  • Trial design and endpoints
  • Participants inclusion and exclusion criteria
  • Trial locations and contact information of their healthcare professionals
  • Name(s) of the trial sponsor(s)
  • Start and end dates of the trial and of participants recruitment

You can also view the trial documents, when available:

  • Protocol and protocol synopsis
  • Summary of the products characteristics
  • Recruitment arrangements, Subject information and informed consent form
  • Trial results
 


Information and documents may be redacted or not published to protect the following:

  • Personal data
  • Commercially confidential information, in particular the marketing-authorisation status of a medicine, unless there is an overriding public interest

For more information on transparency of clinical trial information in CTIS, see: Guidance and Q&As on Transparency


For a detailed explanation of each trial’s section, refer to: