Skip to content

A Study of Galeterone Compared to Enzalutamide In Men Expressing Androgen Receptor Splice Variant-7 mRNA (AR-V7) Metastatic CRPC

ARMOR3-SV: A Phase 3, Randomized, Open Label, Multi-Center, Controlled Study of Galeterone Compared to Enzalutamide in Men Expressing Androgen Receptor Splice Variant-7 mRNA (AR-V7) Metastatic (M1) Castrate Resistant Prostate Cancer (CRPC)

Status
Terminated
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02438007
Acronym
ARMOR3-SV
Enrollment
953
Registered
2015-05-08
Start date
2015-06-30
Completion date
2016-11-30
Last updated
2023-03-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Prostate Cancer

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

DRUGEnzalutamide

160 mg enzalutamide capsules once daily PO

Sponsors

LTN PHARMACEUTICALS, INC.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
MALE
Age
18 Years to No maximum
Healthy volunteers
No

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

MeasureTime frame
Radiographic Progression-free survival≥ 8 months

Secondary

MeasureTime frame
Overall Survival≥ 8 months
Time to Initiation of Cytotoxic Chemotherapy≥ 8 months

Other

MeasureTime 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

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 2, 2026