Prostate Cancer
Conditions
Brief summary
The purpose of this study is to compare galeterone to enzalutamide in men expressing androgen receptor spice variant-7 mRNA (AR-V7) in metastatic (M1) castrate resistant prostate cancer (CRPC).
Interventions
2550 mg galeterone tablets once daily PO
160 mg enzalutamide capsules once daily PO
Sponsors
Study design
Eligibility
Inclusion criteria
* Progressive metastatic (M1) disease on androgen deprivation therapy * Detectable AR-V7 from circulating tumors (CTCs) * ECOG performance status 0 or 1
Exclusion criteria
* Prior treatment with second generation anti-androgens (e.g. abiraterone, enzalutamide) * Prior treatment with chemotherapy for CRPC
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Radiographic Progression-free survival | ≥ 8 months |
Secondary
| Measure | Time frame |
|---|---|
| Overall Survival | ≥ 8 months |
| Time to Initiation of Cytotoxic Chemotherapy | ≥ 8 months |
Other
| Measure | Time frame |
|---|---|
| Time to PSA progression | ≥ 8 months |
| Skeletal-related Events | ≥ 8 months |
| Best Overall Response by RECIST 1.1 | ≥ 8 months |
| Time to ECOG deterioration | ≥ 8 months |
| Safety measured by clinical safety laboratories and adverse events | ≥ 8 months |
| Prostate Specific Antigen (PSA) Response ≥ 50% | ≥ 8 months |
Countries
Australia, Belgium, Canada, France, Italy, Spain, United Kingdom, United States