๐Ÿ›๏ธ Verified NIH Record โ€ข Updated 2026-08-20

Study of AMG 509 in Participants With Metastatic Castration-Resistant Prostate Cancer (NCT04221542)

A Phase 1 Study Evaluating the Safety, Tolerability, Pharmacokinetics, and Efficacy of AMG 509 in Subjects With Metastatic Castration-Resistant Prostate Cancer

๐ŸŸข Recruiting Phase1 ๐Ÿ’Š Investigational Drug / Biologic Sponsor: Amgen

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

The overall aim of the trial is to evaluate the safety, tolerability, and pharmacokinetics (PK) of AMG 509 (monotherapy and in combination with abiraterone acetate and enzalutamide) and to evaluate preliminary efficacy. As of Protocol Amendment 10 (09 July 2025), only Parts 4A expansion, 6, and 7 are open to accrual.

Who can join: Review the eligibility criteria below.

Location: City of Hope National Medical Center โ€” Duarte, California

Age range: 18 Years

๐Ÿงช Interventions in This Study

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 (57 Sites)

Showing the first 25 of 57 sites.

  • City of Hope National Medical Center โ€” Duarte, California
  • Providence Saint Jude Medical Center โ€” Fullerton, California
  • University of California San Francisco โ€” San Francisco, California
  • Rocky Mountain Cancer Centers โ€” Aurora, Colorado
  • Yale New Haven Hospital โ€” New Haven, Connecticut
  • Emory University โ€” Atlanta, Georgia
  • Indiana University โ€” Indianapolis, Indiana
  • MidAmerica Cancer Care โ€” Merriam, Kansas
  • Tulane Medical Center โ€” New Orleans, Louisiana
  • Washington University โ€” St Louis, Missouri
  • Memorial Sloan Kettering Cancer Center โ€” New York, New York
  • Duke University Medical Center โ€” Durham, North Carolina
  • Wake Forest University Health Sciences โ€” Winston-Salem, North Carolina
  • Oncology Hematology Care Incorporated โ€” Cincinnati, Ohio
  • Thomas Jefferson University โ€” Philadelphia, Pennsylvania
  • University of Pittsburgh Medical Center โ€” Pittsburgh, Pennsylvania
  • Prisma Health Upstate โ€” Greenville, South Carolina
  • Sanford Oncology Clinic and Pharmacy โ€” Sioux Falls, South Dakota
  • United States Oncology Regulatory Affairs Corporate Office โ€” Nashville, Tennessee
  • University of Texas MD Anderson Cancer Center โ€” Houston, Texas
  • US Oncology Research Investigational Products Center โ€” Irving, Texas
  • Intermountain Medical Center โ€” Murray, Utah
  • Virginia Cancer Specialists PC โ€” Fairfax, Virginia
  • Virginia Oncology Associates โ€” Norfolk, Virginia
  • Fred Hutchinson Cancer Center โ€” Seattle, Washington

๐Ÿ“ž Contact the Study Coordinator

Phone: (866) 572-6436

Email: medinfo@amgen.com

Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.

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.

Explore by condition: All Prostate Cancer clinical trials

๐Ÿ’ก How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Contact the study coordinator using the phone/email above.
  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†—