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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 Cooperative 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 8:30 PM ET, Monday through Friday except Westat company 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:
The CTSU general fax number is : 1-888-691-8039
The CTSU has three toll-free numbers:
CALGB - 9AM to 4:30PM, ET
RTOG - 9AM to 4:30PM, ET
NCCTG- 9AM to 4:30PM, ET
MDA- 9AM-3:45PM, ET
P2C - 9AM - 4 PM, ET (except 8233)
The CTSU mailing address is:
CTSU Data Operations Center
1441 West Montgomery Avenue
Rockville, MD 20850-2062