About contacting the CTSU:
If you have questions regarding any
aspect of CTSU operations, please do not hesitate to contact us.
The CTSU Help Desk provides a central point of contact and resources for Network
Group members, Clinical Sites, and the general public on CTSU operations. The Help
Desk consists of the Main Help Desk, located in the Rockville Office and the Regulatory
Help Desk which is located in the Philadelphia Office. The CTSU Help Desk is available
from 9:00 AM ET to 6:00 PM ET, Monday through Friday except major US holidays.
Contact can be made by fax, telephone, or email. Help Desk staff will answer calls
directly or forward questions to the appropriate CTSU personnel, as necessary. When
all lines are busy and on weekends and holidays, voicemail is available to record
your message. It is monitored frequently during business hours. Calls are returned
within one business day and issues are typically resolved within two business days.
You can contact the CTSU via the following methods:
General questions about the CTSU or the CTSU website may be submitted on-line
The CTSU general fax number is:1-888-691-8039.
The CTSU has two toll-free numbers:
The General Information / Helpdesk number, 1-888-823-5923, handles
general inquiries about the CTSU, including information about clinical studies,
investigator registration, and other issues. There are two options when dialed -
Option 1 is for the General CTSU Help Desk (everything except regulatory issues
and questions), and Option 2 is for the Regulatory Help Desk (for all questions
related to submission of regulatory documentation and site approval status).
The CTSU Regulatory Help Desk can be dialed directly at: 1-866-651-CTSU