CI

At a glance

ClinicalIndex Comparison Record
Phase 3Active· 1,068 enrolled
Drug / intervention
Enzalutamide +2 moredrug
Likely dose
Not stated in record
Key inclusion· 5
  • Histologically or cytologically confirmed adenocarcinoma of the prostate without neuroendocrine differentiation, signet cell, or small cell features
  • Prior definitive treatment by radical prostatectomy or radiotherapy (including brachytherapy) with curative intent
  • PSA doubling time ≤9 months
  • Screening PSA ≥1 ng/mL (after prostatectomy ± radiotherapy) or ≥2 ng/mL above nadir (radiotherapy only)
Key exclusion· 8
  • Evidence of distant metastatic disease on imaging
  • Prior hormonal therapy, with limited exceptions: neoadjuvant/adjuvant therapy ≤36 months duration and ≥9 months before randomization, or single dose/short course (≤6 months) given ≥9 months before randomization
  • Prior cytotoxic chemotherapy, aminoglutethimide, ketoconazole, abiraterone acetate, or enzalutamide
  • Prior systemic biologic therapy including immunotherapy for prostate cancer

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT02319837
NCT02319837Phase 3Active

A Phase 3, Randomized, Efficacy and Safety Study of Enzalutamide Plus Leuprolide, Enzalutamide Monotherapy, and Placebo Plus Leuprolide in Men With High-Risk Nonmetastatic Prostate Cancer Progressing After Definitive Therapy

Pfizer·interventional·Posted Dec 18, 2014·Updated May 7, 2026

In Brief

A Phase 3 clinical trial evaluating Enzalutamide, Placebo (No longer applicable in Open Label study period), and 1 other intervention for Hormone Sensitive Prostate Cancer and 2 related conditions. Active but no longer recruiting, targeting 1,068 participants across 255 sites in 17 countries.

Detailed Summary

The purpose of this study is to assess enzalutamide plus leuprolide in patients with high-risk nonmetastatic prostate cancer progressing after radical prostatectomy or radiotherapy or both. The randomized / blinded portion of the study is now completed following primary endpoint analyses. The study remains ongoing in open label format.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesAustralia, Austria, Brazil, Canada, Denmark, Finland, France, Italy, Netherlands, Poland, Slovakia, South Korea, Spain, Sweden, Taiwan, United Kingdom, United States

Timeline

Phase 3Active
2015201620172018201920202021202220232024202520262027
First PostedDec 18, 2014
Enrollment StartDec 17, 2014
Primary CompletionJan 31, 2023
Study CompletionSep 19, 2026
TodayJul 2, 2026
Enrollment to primary: 8.1 yearsPosted 11.5 years ago

Interventions

Enzalutamidedrug

Placebo (No longer applicable in Open Label study period)drug

Sugar pill to mimic enzalutamide

Leuprolide Open Labeldrug