In the field of clinical research, two identification numbers play a central role: the EudraCT number and the NCT number. Both are indispensable tools for the identification and registration of clinical trials.


The EudraCT number, short for European Union Drug Regulating Authorities Clinical Trials, serves the unique identification of clinical trials conducted in humans in Europe. This identification number, which is assigned by the European Medicines Agency (EMA), is an essential part of the application process for clinical trials in Europe. The EudraCT number enables authorities, research teams, and the general public to retrieve information about specific studies and track their development.
In a global context, the NCT number, which stands for National Clinical Trial, is significant. Managed by the ClinicalTrials.gov registry, which is operated by the U.S. National Institutes of Health (NIH), the NCT number enables the worldwide identification of clinical trials. It is used by scientists, doctors, and those interested in clinical trials to gather information and track the course of studies.
To obtain a EudraCT number, researchers must submit a detailed application to the EMA, which contains comprehensive information about the planned study. After thorough review and approval by the competent authorities, the EudraCT number is assigned.
In the case of an NCT number, the clinical trial is registered on ClinicalTrials.gov. This requires detailed information about the study, including study protocol, objectives, participation criteria, and locations. After completion of registration, the study receives a unique NCT number.

Both the EudraCT and NCT numbers make an important contribution to the transparency and accessibility of information in the field of clinical trials. They enable researchers, authorities, professionals, and the public to easily access important data on ongoing and completed studies and support the quality and integrity of clinical research.
If you have further questions or need information on the EudraCT and NCT numbers or clinical trials, we are of course happy to help you.

In the field of clinical research, two identification numbers play a central role: the EudraCT number and the NCT number.

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