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


Enrollments to Alliance trials will be unavailable from 5pm central time on Friday, February 21st through 8am central time on Tuesday, February 25th. If you already have a planned enrollment that needs to take place during this time, or there is an urgent enrollment needed on Monday, February 24th, please contact the Alliance Registration Office at Any non-urgent enrollments will be completed when the systems are available.

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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