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Active, not recruiting Phase 3 Interventional Results available

Safety and Efficacy Study of Enzalutamide Plus Leuprolide in Patients With Nonmetastatic Prostate Cancer (EMBARK)

ClinicalTrials.gov ID: NCT02319837

Public ClinicalTrials.gov record NCT02319837. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 17, 2026, 12:24 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

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

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

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 identification

NCT ID
NCT02319837
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 3
Lead sponsor
Pfizer
Industry
Enrollment
1,068 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
Male
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Dec 17, 2014 (Actual)
Primary completion
Jan 31, 2023 (Actual)
Completion
Sep 19, 2026 (Estimated)
Last update posted
Jul 9, 2026

2014 – 2026

United States locations

U.S. sites
77
U.S. states
26
U.S. cities
52
Facility City State ZIP Site status
University of Alabama at Birmingham Birmingham Alabama 35233 —
University of Alabama at Birmingham Birmingham Alabama 35249 —
University of Alabama at Birmingham, IDS Pharmacy Birmingham Alabama 35294 —
Alaska Urological Institute dba Alaska Clinical Research Center Anchorage Alaska 99503 —
Arizona Urology Specialists Tucson Arizona 85741 —
Tower Hematology Oncology Medical Group Beverly Hills California 90211 —
Cedars-Senai OCC Pharmacy Los Angeles California 90048 —
Cedars-Sinai Medical Center, Samuel Oschin Comprehensive Cancer Institute Los Angeles California 90048 —
University of California, Irvine Medical Center Orange California 92868 —
Sutter Medical Group, Vascular & Varicose Vein Center Roseville California 95661 —
Sutter Medical Group Roseville California 95661 —
UC Davis Comprehensive Cancer Center Sacramento California 95817 —
University of California Davis Medical Center Sacramento California 95817 —
University of California, Davis, School of Medicine Sacramento California 95817 —
The Urology Center of Colorado Denver Colorado 80211 —
Foothills Urology, P.C. Golden Colorado 80401 —
Eastern Connecticut Hematology Oncology Associates Norwich Connecticut 06360 —
Lakeland Regional Health Hollis Cancer Center Lakeland Florida 33805 —
Emory University Hospital Atlanta Georgia 30322 —
Winship Cancer Institute, Emory University Atlanta Georgia 30322 —
Emory University Hospital Atlanta Georgia 30329 —
Northwestern Medical Group Chicago Illinois 60611 —
Northwestern Memorial Hospital Chicago Illinois 60611 —
First Urology, PSC Jeffersonville Indiana 47130 —
The University of Kansas Hospital Kansas City Kansas 66160 —
Kansas City Urology Care, PA Overland Park Kansas 66211 —
The University of Kansas Cancer Center and Medical Pavilion Westwood Kansas 66205 —
GU Research Network/Wichita Urology Group Wichita Kansas 67226 —
John Hopkins University Hospital Baltimore Maryland 21287 —
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins Baltimore Maryland 21287 —
The Sidney Kimmel Cancer Center at Johns Hopkins Hospital- Oncology Investigational Drug Services Baltimore Maryland 21287 —
Chesapeake Urology Research Associates Towson Maryland 21204 —
Comprehensive Urology - Macomb Office Macomb Michigan 48044 —
Comprehensive Urology - Royal Oak (Stephenson) office Royal Oak Michigan 48067 —
GU Research Network, LLC / Urology Cancer Center Omaha Nebraska 68130 —
VA Lahontan Valley Outpatient Clinic Fallon Nevada 89406 —
Memorial Sloan Kettering Cancer Center Basking Ridge Basking Ridge New Jersey 07920 —
Memorial Sloan Kettering Cancer Center Commack Commack New York 11725 —
Memorial Sloan Kettering Cancer Center Westchester Harrison New York 10604 —
Memorial Hospital New York New York 10065 —
Sidney Kimmel Center for Prostate and Urologic Cancers New York New York 10065 —
Premier Medical Group of the Hudson Valley PC Poughkeepsie New York 12601 —
Premier Medical Group of the Hudson Valley PC Poughkeepsie New York 12603 —
Memorial Sloan Kettering Cancer Center Rockville Centre Rockville Centre New York 11570 —
Associated Medical Professionals of New York, PLLC Syracuse New York 13210 —
Memorial Sloan Kettering Cancer Center Nassau Uniondale New York 11553 —
Duke Investigational Chemotherapy Services Durham North Carolina 27710 —
Duke Nuclear Medicine Durham North Carolina 27710 —
Duke University Medical Center Durham North Carolina 27710 —
Alliance Urology Specialists, PA Greensboro North Carolina 27403 —
TriState Urologic Services PSC Inc., dba The Urology Group Cincinnati Ohio 45212 —
Mercy Health Jewish Hospital Cincinnati Ohio 45236 —
Clinical Research Solutions Middleburg Heights Ohio 44130 —
Southwest Urology Middleburg Heights Ohio 44130 —
Stephenson Cancer Center Oklahoma City Oklahoma 73104 —
Oregon Imaging Center Eugene Oregon 97401 —
Oregon Urology Institute Springfield Oregon 97477 —
Urologic Consultants of SE PA Bala-Cynwyd Pennsylvania 19004 —
Keystone Urology Specialists Lancaster Pennsylvania 17604 —
Thomas Jefferson University, Sidney Kimmel Cancer Center, Clinical Research Organization Philadelphia Pennsylvania 19083 —
Honickman Centre Philadelphia Pennsylvania 19107 —
Jefferson Medical Oncology Philadelphia Pennsylvania 19107 —
Jefferson Urology Associates Philadelphia Pennsylvania 19107 —
Thomas Jefferson University Hospital, Bodine Building Philadelphia Pennsylvania 19107 —
Thomas Jefferson University, Medical Oncology Philadelphia Pennsylvania 19107 —
Thomas Jefferson University, Sidney Kimmel Cancer Center Philadelphia Pennsylvania 19107 —
Carolina Urologic Research Center Myrtle Beach South Carolina 29572 —
Vanderbilt Urology Clinic Cool Springs Franklin Tennessee 37067 —
Vanderbilt Health Belle Meade Nashville Tennessee 37205 —
The Vanderbilt Clinic, Department of Urology Nashville Tennessee 37232 —
Vanderbilt Unversity Medical Center, Dept. of Urologic Surgery Nashville Tennessee 37232 —
Urology Clinics of North Texas, PLLC Dallas Texas 75231 —
Houston Metro Urology Houston Texas 77027 —
Urology San Antonio Research San Antonio Texas 78229 —
Henrico Doctor's Hospital Henrico Virginia 23229 —
Virginia Urology Richmond Virginia 23235 —
Urology of Virginia, PLLC. Virginia Beach Virginia 23462 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 178 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02319837, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jul 9, 2026 · Synced Oct 17, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT02319837 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →