CancerDrs

Prostate Cancer clinical trials in Washington

34 actively recruiting prostate cancer trials at 34 sites across Washington.

Data from ClinicalTrials.gov · last refreshed

Payments from drug makers to the doctors running these trials

For 1 of the trials on this page, the pharmaceutical company funding the trial also disclosed payments to the physicians leading it — public data from the federal CMS Open Payments database. Paying clinical-trial investigators for site work is expected and necessary for industry-funded trials; the scale and source are simply useful context when you're deciding whether to enroll. See the full prostate cancer transparency page →

Phase 3 Recruiting Academic/Other

Testing Shorter Duration Radiation Therapy Versus the Usual Radiation Therapy in Patients With High Risk Prostate Cancer

This phase III trial compares stereotactic body radiation therapy (SBRT), (five treatments over two weeks using a higher dose per treatment) to usual radiation therapy (20 to 45 treatments over 4 to 9 weeks) for the treatment of high-risk …

Sponsor: NRG Oncology
NCT ID: NCT05946213
Sites in Washington:
  • PeaceHealth Saint Joseph Medical Center — Bellingham, Washington
  • Fred Hutchinson Cancer Center — Seattle, Washington
  • FHCC at Northwest Hospital — Seattle, Washington
  • University of Washington Medical Center - Montlake — Seattle, Washington
Phase 3 Recruiting Network

Docetaxel to Androgen Receptor Pathway Inhibitors in Patients With Metastatic Castration Sensitive Prostate Cancer and Suboptimal PSA Response

This study is being done to answer the following question: can the chance of prostate cancer growing or spreading be lowered by adding a drug to the usual combination of drugs? This study would like to find out if this approach is better o…

Sponsor: Canadian Cancer Trials Group
NCT ID: NCT06592924
Sites in Washington:
  • Providence Regional Cancer System-Aberdeen — Aberdeen, Washington
  • FHCC Overlake — Bellevue, Washington
  • PeaceHealth Saint Joseph Medical Center — Bellingham, Washington
  • Providence Regional Cancer System-Centralia — Centralia, Washington
  • Swedish Cancer Institute-Edmonds — Edmonds, Washington
Phase 3 Recruiting Network

Treating Prostate Cancer That Has Come Back After Surgery With Apalutamide and Targeted Radiation Based on PET Imaging

This phase III trial tests two questions by two separate comparisons of therapies. The first question is whether enhanced therapy (apalutamide in combination with abiraterone + prednisone) added to standard of care (prostate radiation ther…

Sponsor: ECOG-ACRIN Cancer Research Group
NCT ID: NCT04423211
Sites in Washington:
  • Providence Regional Cancer System-Aberdeen — Aberdeen, Washington
  • PeaceHealth Saint Joseph Medical Center — Bellingham, Washington
  • Providence Regional Cancer System-Centralia — Centralia, Washington
  • Swedish Cancer Institute-Edmonds — Edmonds, Washington
  • Providence Regional Cancer Partnership — Everett, Washington
Phase 3 Recruiting Industry

This Study Will Explore Whether a Combination of the Investigational Drug Mevrometostat (PF-06821497) and Enzalutamide Will Work Better Than Taking Enzalutamide Alone in Participants With mCSPC Who Are ARPI naïve.

This study will explore whether a combination of the investigational drug mevrometostat (PF-06821497) and enzalutamide will work better than taking enzalutamide alone in participants with mCSPC who are ARPI naïve and have not yet received …

Sponsor: Pfizer
NCT ID: NCT07028853
Sites in Washington:
  • Northwest Medical Specialties, PLLC — Bonney Lake, Washington
  • Northwest Medical Specialties, PLLC — Federal Way, Washington
  • Northwest Medical Specialties, PLLC — Gig Harbor, Washington
  • Northwest Medical Specialties, PLLC — Puyallup, Washington
  • Northwest Medical Specialties, PLLC — Tacoma, Washington
Phase 3 Recruiting Industry

A Study of Opevesostat (MK-5684) Versus Alternative Next-generation Hormonal Agent (NHA) in Metastatic Castration-resistant Prostate Cancer (mCRPC) Post One NHA (MK-5684-004)

The purpose of this study is to assess the efficacy and safety of opevesostat plus daily corticosteroids compared to alternative abiraterone acetate or enzalutamide in participants with Metastatic Castration-resistant Prostate Cancer (mCRP…

Sponsor: Merck Sharp & Dohme LLC
NCT ID: NCT06136650
Sites in Washington:
  • Spokane Urology ( Site 0035) — Spokane, Washington
  • Northwest Cancer Specialists (Compass Oncology) ( Site 8008) — Vancouver, Washington
Phase 3 Recruiting Industry

Study of Opevesostat (MK-5684) Versus Alternative NHA in mCRPC (MK-5684-003)

This is a phase 3, randomized, open-label study of opevesostat compared to alternative abiraterone acetate or enzalutamide in participants with metastatic castration-resistant prostate cancer (mCRPC) with respect to overall survival (OS) i…

Sponsor: Merck Sharp & Dohme LLC
NCT ID: NCT06136624
Sites in Washington:
  • Fred Hutchinson Cancer Center ( Site 0013) — Seattle, Washington
Phase 3 Recruiting Industry

A Study to Learn How PF-06821497 (Mevrometostat) Works in Men With Metastatic Castration-resistant Prostate Cancer.

This study will explore whether a combination of the investigational drug PF-06821497 and enzalutamide will work better than taking enzalutamide alone in participants with mCRPC who are ARSi or abiraterone naïve.

Sponsor: Pfizer
NCT ID: NCT06629779
Sites in Washington:
  • Northwest Medical Specialties, PLLC — Bonney Lake, Washington
  • Northwest Medical Specialties, PLLC — Federal Way, Washington
  • Northwest Medical Specialties, PLLC — Gig Harbor, Washington
  • Northwest Medical Specialties, PLLC — Puyallup, Washington
  • Harborview Medical Center — Seattle, Washington
Phase 2, Phase 3 Recruiting Industry

Open-label Study Comparing AAA817 Versus Standard of Care in the Treatment of Previously Treated PSMA-positive mCRPC Adults Who Have Disease Progressed on or After [177Lu]Lu-PSMA Targeted Therapy

This is a Phase II/III study. Patient population is adult participants with PSMA-positive mCRPC who had treatments with androgen receptor pathway inhibitor (ARPI) and taxane-based chemotherapy and progressed on or after \[177Lu\]Lu-PSMA ta…

Sponsor: Novartis Pharmaceuticals
NCT ID: NCT06780670
Sites in Washington:
  • Fred Hutchinson Cancer Research Center — Seattle, Washington
Phase 2 Recruiting NIH

Testing the Effectiveness of Two Immunotherapy Drugs (Nivolumab and Ipilimumab) With One Anti-cancer Targeted Drug (Cabozantinib) for Rare Genitourinary Tumors

This phase II trial studies how well cabozantinib works in combination with nivolumab and ipilimumab in treating patients with rare genitourinary (GU) tumors that has spread from where it first started (primary site) to other places in the…

Sponsor: National Cancer Institute (NCI)
NCT ID: NCT03866382
Sites in Washington:
  • Providence Regional Cancer System-Aberdeen — Aberdeen, Washington
  • Overlake Medical Center — Bellevue, Washington
  • PeaceHealth Saint Joseph Medical Center — Bellingham, Washington
  • Highline Medical Center-Main Campus — Burien, Washington
  • Providence Regional Cancer System-Centralia — Centralia, Washington
Phase 2 Recruiting Network

Carboplatin Chemotherapy Before Surgery for People With High-Risk Prostate Cancer and an Inherited BRCA1 or BRCA2 Gene Mutation

This phase II trial tests how well carboplatin before surgery works in treating patients with high-risk prostate cancer and an inherited BRCA1 or BRCA2 gene mutation. Carboplatin is in a class of medications known as platinum-containing co…

Sponsor: SWOG Cancer Research Network
NCT ID: NCT05806515
Sites in Washington:
  • Providence Regional Cancer System-Aberdeen — Aberdeen, Washington
  • PeaceHealth Saint Joseph Medical Center — Bellingham, Washington
  • Harrison Medical Center — Bremerton, Washington
  • Providence Regional Cancer System-Centralia — Centralia, Washington
  • Swedish Cancer Institute-Edmonds — Edmonds, Washington
Phase 2 Recruiting Academic/Other

Targeted Treatment for Metastatic Prostate Cancer, The PREDICT Trial

This phase II trial evaluates whether genetic testing in prostate cancer is helpful in deciding which study treatment patients are assigned. Patient cancer tissue samples are obtained from a previous surgery or biopsy procedure and tested …

Sponsor: Alliance for Clinical Trials in Oncology
NCT ID: NCT06632977
Sites in Washington:
  • Swedish Cancer Institute-Edmonds — Edmonds, Washington
  • Swedish Medical Center-First Hill — Seattle, Washington
Phase 2 Recruiting Industry

A Study for Subjects With Prostate Cancer Who Previously Participated in an Enzalutamide Clinical Study

The purpose of this study is to collect long term safety data in subjects who are continuing to derive clinical benefit from treatment with Enzalutamide from the subjects participation in an enzalutamide clinical study sponsored by Astella…

Sponsor: Astellas Pharma Global Development, Inc.
NCT ID: NCT02960022
Sites in Washington:
  • Virginia Mason Medical Center — Seattle, Washington
  • Site US10038 — Seattle, Washington
Phase 2 Recruiting Industry

Study of PF-07248144 in Advanced or Metastatic Solid Tumors

This is an open-label, multi center study to evaluate safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of PF-07248144 and early signs of clinical efficacy of PF-07248144 as a single agent and in combination with other…

Sponsor: Pfizer
NCT ID: NCT04606446
Sites in Washington:
  • Swedish Cancer Institute — Seattle, Washington
  • Swedish Medical Center — Seattle, Washington
Phase 2 Recruiting Federal

Carboplatin or Olaparib for BRcA Deficient Prostate Cancer

This is an unblinded, randomized clinical study comparing the efficacy of DNA damaging chemotherapy using carboplatin, to standard of care therapy for patients who have metastatic castrate resistant prostate cancer. This trial will use ola…

Sponsor: VA Office of Research and Development
NCT ID: NCT04038502
Sites in Washington:
  • VA Puget Sound Health Care System Seattle Division, Seattle, WA — Seattle, Washington
Phase 2 Recruiting Industry

ZEN003694 and Enzalutamide Versus Enzalutamide Monotherapy in Metastatic Castration-Resistant Prostate Cancer

This is an open-label, randomized, Phase 2b study of ZEN003694 in combination with enzalutamide vs. enzalutamide monotherapy in patients with mCRPC who have progressed on prior abiraterone by PCWG3 criteria. Disease must have progressed on…

Sponsor: Zenith Epigenetics
NCT ID: NCT04986423
Sites in Washington:
  • Seattle Cancer Care Alliance — Seattle, Washington
Phase 2 Recruiting Industry

Abiraterone, Enzalutamide, or Apalutamide in Castrate-sensitive Prostate Cancer.

The investigators have used national VHA data to demonstrate real-world efficacy of abiraterone and enzalutamide in Veterans with mCRPC. In the real-world that is the VHA, the investigators have successfully estimated g values that accurat…

Sponsor: Sun Pharmaceutical Industries Limited
NCT ID: NCT05422911
Sites in Washington:
  • VA Puget Sound Health Care System — Seattle, Washington
Phase 2 Recruiting Federal

A Single-Arm Phase II Study of Neoadjuvant Intensified Androgen Deprivation (Leuprolide and Abiraterone Acetate) in Combination With AKT Inhibition (Capivasertib) for High-Risk Localized Prostate Cancer With PTEN Loss

The purpose of this study is to learn about how an investigational drug intervention completed before doing prostate surgery (specifically, radical prostatectomy with lymph node dissection) may help in treatment of high risk localized pros…

Sponsor: VA Office of Research and Development
NCT ID: NCT05593497
Sites in Washington:
  • VA Puget Sound Health Care System Seattle Division, Seattle, WA — Seattle, Washington
Phase 2 Recruiting Academic/Other

The SUGAR Study; SBRT and Relugolix) for Prostate Cancer

The goal of this clinical trial is to measure the toxicity and effectiveness of the following treatments for cFIR/cgUIR prostate cancer patients. Stereotactic body radiotherapy (SBRT) alone or Stereotactic body radiotherapy (SBRT) combined…

Sponsor: Yale University
NCT ID: NCT06111781
Sites in Washington:
  • University of Washington — Seattle, Washington
Phase 2 Recruiting Academic/Other

Prostate Specific Membrane Antigen (PSMA) or (FACBC) PET/CT Site-Directed Therapy for Treatment of Prostate Cancer, Flu-BLAST-PC Study

This phase II trial studies how well prostate specific membrane antigen (PSMA) or fluciclovine positron emission tomography (PET)/computed tomography (CT) site-directed therapy works for treating patients with prostate cancer. PSMA or fluc…

Sponsor: University of Washington
NCT ID: NCT04175431
Sites in Washington:
  • Fred Hutch/University of Washington Cancer Consortium — Seattle, Washington
Phase 1, Phase 2 Recruiting Academic/Other

Cell Therapy (STEAP1 CART) With Enzalutamide for the Treatment of Patients With Metastatic Castration-Resistant Prostate Cancer

This phase I/II trial tests the safety and effectiveness of cell therapy (STEAP1 CART) with enzalutamide in treating patients with prostate cancer that continues to grow despite surgical or medical treatments to block androgen production (…

Sponsor: Fred Hutchinson Cancer Center
NCT ID: NCT06236139
Sites in Washington:
  • Fred Hutch/University of Washington Cancer Consortium — Seattle, Washington
Phase 2 Recruiting Academic/Other

Supraphysiological Androgen to Enhance Treatment Activity in Metastatic Castration-Resistant Prostate Cancer, SPECTRA Study

This phase II trial studies how well giving testosterone at levels higher than normally found in the body (supraphysiological) works to enhance chemotherapy treatment, and Lutetium 177Lu-prostate specific-membrane antigen (PSMA)-617 (LuPSM…

Sponsor: University of Washington
NCT ID: NCT06039371
Sites in Washington:
  • Fred Hutch/University of Washington Cancer Consortium — Seattle, Washington
Phase 1 Recruiting Industry

A Study of Mevrometostat for Treatment of Relapsed/Refractory SCLC, Castration Resistant Prostate Cancer, and Follicular Lymphoma

The purpose of this study is to learn about the safety and effects of the study medicine (called Mevrometostat) for the possible treatment of Relapsed/ Refractory Small Cell Lung Cancer (SCLC), Castration Resistant Prostate Cancer (CRPC) a…

Sponsor: Pfizer
NCT ID: NCT03460977
Sites in Washington:
  • Olympic Medical Center — Port Angeles, Washington
  • Fred Hutchinson Cancer Center Alliance Peninsula — Poulsbo, Washington
  • Fred Hutchinson Cancer Center — Seattle, Washington
  • University of Washington Medical Center — Seattle, Washington

Showing 25 of 34 trials with sites in Washington. See all prostate cancer trials →

Medical disclaimer: This page aggregates public ClinicalTrials.gov data. It is not medical advice. Always confirm eligibility and enrollment details with the trial site or your oncologist.

Source: ClinicalTrials.gov API v2 · Last checked: 2026-08-10