Long-Term Observational Extension of Participants in the CREST-2 Randomized Clinical Trial

This study has not yet been registered on ClinicalTrials.gov, which is currently a pre-requisite for display of detailed eligibility criteria.

• If you need assistance with ClinicalTrials.gov registration for an oncology study, please contact the Jonsson Comprehensive Cancer Center's Office of Regulatory Compliance.
• If you need assistance with ClinicalTrials.gov registration for a non-oncology study, please contact the Office of Regulatory Affairs.