Each clinical trial with at least one site in the European Union receives a unique number for identification, the EudraCT Number. The EudraCT Number must be included on all Clinical Trial applications within the European Community and as needed on other documents relating to the trials (e.g. SUSAR reports).
The unique EudraCT number for each clinical trial has the format YYYY-NNNNNN-CC, where:
The first step to apply for the EudraCT Number is to apply for a Security Code. In the second step the requestor can apply for theEudraCT Number itself.