Contact to the German Clinical Trials Register

Postal address

German Clinical Trials Register
German Institute of
Medical Documentation and Information
Waisenhausgasse 36-38a
50676 Cologne, Germany


Phone: +49(0)221 4724-391
Fax: ++49(0)221/4724-444
E-mail to:

Note: We ask you to refrain from sending personal medical records or similar private documents when contacting us for data protection reasons.

Last Modified: 04-24-2018