Status Update on December 19, 2018:
The observational HD Natural History study ( ID: NCT03664804) is open and currently recruiting. The planned sites in Canada, US, Germany and UK were announced in November. Information about the study, including individual site status, is posted on 
We are pleased to inform you on progress on the Phase III GENERATION HD1 study ( ID: NCT03761849). The first countries to open recruitment will be the USA and Canada. Below is a list of planned sites - it is important to note that these sites are not fully activated nor recruiting yet. We hope to complete the final steps as quickly as possible. The GENERATION HD1 study will run in approximately 15 countries; additional countries/sites will be announced on a progressive basis - as we obtain country approvals and when sites are nearly ready to enroll patients. For any clinical study, it is possible that an expected study site does not proceed to enroll participants. This can be for various reasons and we do not want to raise hopes or expectations.