National Cancer Institute   U.S. National Institutes of Health |
Clinical Trials Support Unit


CTSU Systems staff will be performing scheduled maintenance this Saturday, July 21st, between 8:00 AM and 10:00 AM EST. OPEN will be unavailable intermittently during this time period. We apologize for any inconvenience this may cause you.

The ECOG-ACRIN Patient Registration System is currently experiencing intermittent technical issues. We apologize for any inconvenience this may cause. Please contact the CTSU Help Desk at 1-888-823-5923 (Option 1) for further assistance.

Welcome to the Oncology Patient Enrollment Network (OPEN) Portal system

OPEN is the web-based registration system for patient enrollments onto NCI-sponsored Network Group clinical trials. The system is integrated with the CTSU Enterprise System for regulatory and roster data, and with each of the Network Groups' registration/randomization systems for patient registration/ randomization. OPEN provides the ability to enroll patients on a 24/7 basis.

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