ClinicalTrials.gov is a resource provided by the U.S. National Library of Medicine.

European Clinical Trials Database (EudraCT)

The Clinical Trials Search Portal provides access to a central database containing the trial registration data sets provided...

The DRKS is an open access online register for clinical trials conducted in Germany

ISRCTN is a registry and curated database containing the basic set of data items...

The ANZCTR is an online registry of clinical trials being undertaken in Australia, New Zealand and elsewhere.

European Communication on Research Awareness Needs

The health portal to consciously participate and decide