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COMPASS Study for Metastatic Castration-resistant Prostate Cancer
Sponsor: Duke University
Summary
This study is a companion to the SYNERGY-201 clinical trial (NCT06228053), which investigates SX-682 and enzalutamide in individuals with prostate cancer. Individuals must be participating in SYNERGY-201 in order to participate in this study. The purpose of this companion study is to learn more about biomarkers, particularly a biomarker called CXCR2, and investigate if CXCR2 can predict who will receive benefit from the SYNERGY-201 drug combination. This study will also investigate how CXCR2 and other biomarkers change over time when participants receive the SYNERGY-201 drug combination. CXCR2 is of particular interest because the SYNERGY-201 drug, SX-682, inhibits CXCR2. After participants provide consent, blood samples will be collected for research purposes at three SYNERGY-201 visits (Baseline, Cycle 3 Day 1 and End of Study Drug). Up to 20 participants will also receive tumor biopsies at the Baseline and SYNERGY-201 Cycle 3 Day 1 visits. Clinical and study data collected as part of SYNERGY-201 will also be used for this study.
Official title: COMPASS: Correlative COMPAnion Study to Predict SYNERGY-201 Clinical Trial Responders
Key Details
Gender
MALE
Age Range
18 Years - Any
Study Type
OBSERVATIONAL
Enrollment
48
Start Date
2025-08-07
Completion Date
2028-01-01
Last Updated
2026-05-04
Healthy Volunteers
No
Conditions
Interventions
CXCR2 as a biomarker
CXCR2 biomarker expression will be measured in tumor and immune cell samples
Locations (3)
UCSF Helen Diller Family Comprehensive Cancer Center
San Francisco, California, United States
Rogel Cancer Center
Ann Arbor, Michigan, United States
Duke University
Durham, North Carolina, United States