๐Ÿ›๏ธ Verified NIH Record โ€ข Updated 2026-07-07

Safety and Efficacy Study of Enzalutamide Plus Leuprolide in Patients With Nonmetastatic Prostate Cancer (EMBARK) (NCT02319837)

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

๐Ÿ”ต Active, Not Recruiting Phase3 ๐Ÿ’Š Investigational Drug / Biologic Sponsor: Pfizer

๐Ÿฉบ Plain-English Summary (8th-Grade Level)

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.

Who can join: Review the eligibility criteria below.

Location: University of Alabama at Birmingham โ€” Birmingham, Alabama

Age range: 18 Years

๐Ÿ“‹ "Do I Qualify?" โ€” 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria โ†—

๐Ÿ“ All Participating Trial Locations (255 Sites)

Showing the first 25 of 255 sites.

  • University of Alabama at Birmingham โ€” Birmingham, Alabama
  • University of Alabama at Birmingham โ€” Birmingham, Alabama
  • University of Alabama at Birmingham, IDS Pharmacy โ€” Birmingham, Alabama
  • Alaska Urological Institute dba Alaska Clinical Research Center โ€” Anchorage, Alaska
  • Arizona Urology Specialists โ€” Tucson, Arizona
  • Tower Hematology Oncology Medical Group โ€” Beverly Hills, California
  • Cedars-Senai OCC Pharmacy โ€” Los Angeles, California
  • Cedars-Sinai Medical Center, Samuel Oschin Comprehensive Cancer Institute โ€” Los Angeles, California
  • University of California, Irvine Medical Center โ€” Orange, California
  • Sutter Medical Group, Vascular & Varicose Vein Center โ€” Roseville, California
  • Sutter Medical Group โ€” Roseville, California
  • UC Davis Comprehensive Cancer Center โ€” Sacramento, California
  • University of California Davis Medical Center โ€” Sacramento, California
  • University of California, Davis, School of Medicine โ€” Sacramento, California
  • The Urology Center of Colorado โ€” Denver, Colorado
  • Foothills Urology, P.C. โ€” Golden, Colorado
  • Eastern Connecticut Hematology Oncology Associates โ€” Norwich, Connecticut
  • Lakeland Regional Health Hollis Cancer Center โ€” Lakeland, Florida
  • Emory University Hospital โ€” Atlanta, Georgia
  • Winship Cancer Institute, Emory University โ€” Atlanta, Georgia
  • Emory University Hospital โ€” Atlanta, Georgia
  • Northwestern Medical Group โ€” Chicago, Illinois
  • Northwestern Memorial Hospital โ€” Chicago, Illinois
  • First Urology, PSC โ€” Jeffersonville, Indiana
  • The University of Kansas Hospital โ€” Kansas City, Kansas

๐Ÿ’ฐ Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA ยง 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

More studies in Hormone Sensitive Prostate Cancer

๐Ÿ’ก How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Review the official NIH record below to find the coordinating site.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
๐Ÿ›๏ธ View Official NIH Record โ†—