December 2021: Netherlands Update

Transition from NTR to CCMO

Some additional information is available in continuation to the service announcement displayed on the Netherlands Trial Registry (NTR) website:

  • It is currently not possible to register a new study with the NTR since it is permanently closed for new study registrations
  • The NTR will get a restart with the Central Committee on Research Involving Human Subjects (CCMO) registry. The new Dutch Trial Register is not yet available and there is no clarity as to when it will go live
  • New studies cannot be registered in the NTR during the transition phase, however, studies already registered in the NTR will be included in the New Trial Register and the registration number (NL XXXX) can continue to be used when publishing the study in a scientific journal
  • In addition, as a researcher it remains possible to make changes to already registered studies in NTR
  • It is further advised to register studies with another WHO recognized registry, such as ISRCTN Registry or

For more details, please follow this link.