CCMO uses various email addresses to ensure that queries can be handled efficiently.

Please send your email to only one of the following email addresses. Please do not use multiple email addresses at the same time. This may result in a delayed response.

Please choose the email address that best fits your query:


You can call CCMO on + 31 (0) 70 340 6700 from Monday to Friday during office hours (9 AM to 5 PM).

Social media

Postal address

Central Committee on Research Involving Human Subjects (CCMO)
PO Box 16302
2500 BH The Hague
The Netherlands

Visiting address

CCMO's visiting address is:
Bezuidenhoutseweg 30
2594 AV The Hague
The Netherlands

The building is situated within  walking distance of Central Station The Hague. You must first sign in at the reception to gain access to CCMO on the 2nd floor (proof of identity is required).

From Central Station you can easily walk to the building (about 10 minutes).

Are you travelling by car? Take the A12 in the direction of The Hague (exit 2). You can park your car in one of the parkings in the city center, or in the parking of conference centre New Babylon. CCMO does not have its own parking facility.

Central Committee on Research Involving Human Subjects (CCMO)