CancerDrs

Prostate Cancer clinical trials in California

93 actively recruiting prostate cancer trials at 68 sites across California.

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 California:
  • Kaiser Permanente-Deer Valley Medical Center — Antioch, California
  • Tower Cancer Research Foundation — Beverly Hills, California
  • Kaiser Permanente Dublin — Dublin, California
  • Kaiser Permanente-Fremont — Fremont, California
  • Washington Hospital — Fremont, California
Phase 3 Recruiting Network

Testing Whether the Addition of Carboplatin Chemotherapy to Cabazitaxel Chemotherapy Will Improve Outcomes Compared to Cabazitaxel Alone in People With Castrate-Resistant Prostate Cancer That Has Spread Beyond the Prostate to Other Parts of the Body

This phase III trial compares the effect of adding carboplatin to the standard of care chemotherapy drug cabazitaxel versus cabazitaxel alone in treating prostate cancer that keeps growing even when the amount of testosterone in the body i…

Sponsor: SWOG Cancer Research Network
NCT ID: NCT06470243
Sites in California:
  • Tibor Rubin VA Medical Center — Long Beach, California
Phase 3 Recruiting Academic/Other

Testing Different Dosing Schedules of the Anti-cancer Drug, Lutetium 177Lu PSMA RLT and Its Effect on Patients With Advanced Prostate Cancer, RECIPROCAL Trial

This randomized phase III trial examines whether lengthening the dosage interval in an adaptive manner for the prostate cancer drug lutetium 177 Lu PSMA RLT improves quality of life without decreasing lifespan when compared to the standard…

Sponsor: Alliance for Clinical Trials in Oncology
NCT ID: NCT07200830
Sites in California:
  • AIS Cancer Center at San Joaquin Community Hospital — Bakersfield, California
  • UCI Health - Chao Family Comprehensive Cancer Center and Ambulatory Care — Irvine, California
  • City of Hope at Irvine Lennar — Irvine, California
  • UC Irvine Health/Chao Family Comprehensive Cancer Center — Orange, California
  • University of California Davis Comprehensive Cancer Center — Sacramento, California
Phase 3 Recruiting Industry

A Study of Pasritamig Versus Placebo in Late Line Metastatic Castration-resistant Prostate Cancer (mCRPC)

The purpose of this study is to evaluate the overall survival (length of time from the start of study to date of death from any cause) for pasritamig (JNJ-78278343) in combination with best supportive care (BSC) as compared to placebo with…

Sponsor: Janssen Research & Development, LLC
NCT ID: NCT07164443
Sites in California:
  • University of California at San Diego — La Jolla, California
  • Cedars Sinai Medical Center — Los Angeles, California
  • Ronald Reagan UCLA Medical Center — Los Angeles, California
Phase 3 Recruiting Industry

A Study of Pasritamig With Docetaxel Versus Docetaxel in Participants With Metastatic Castration-Resistant Prostate Cancer

The purpose of this study is to find out whether treatment with pasritamig and docetaxel prolongs radiographic progression free survival (rPFS) (the length of time from start of treatment until disease worsens as determined by scans or dea…

Sponsor: Janssen Research & Development, LLC
NCT ID: NCT07225946
Sites in California:
  • MemorialCare Orange Coast Medical Center — Fountain Valley, California
  • University Of California San Diego — La Jolla, California
  • Cancer and Blood Specialty Clinic — Los Alamitos, California
  • USC Norris Comprehensive Cancer Center — Los Angeles, California
  • Valkyrie Clinical Trials — Los Angeles, California
Phase 3 Recruiting Network

Androgen Suppression Combined With Nodal Irradiation and Dose Escalated Prostate Treatment

This study is being done to answer the following question: Is the strategy to give higher doses of radiotherapy treatment over a shorter period of time using special equipment and fewer treatments (also known as Stereotactic Body Radiation…

Sponsor: Canadian Cancer Trials Group
NCT ID: NCT06235697
Sites in California:
  • Kaiser Permanente-Deer Valley Medical Center — Antioch, California
  • Kaiser Permanente Dublin — Dublin, California
  • Kaiser Permanente-Fremont — Fremont, California
  • Kaiser Permanente Fresno Orchard Plaza — Fresno, California
  • Kaiser Permanente-Fresno — Fresno, California
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 California:
  • University of California, Irvine (UCI) Health - UC Irvine Medical Center ( Site 0040) — Orange, California
  • Stanford Cancer Center ( Site 0036) — Palo Alto, California
  • Kaiser Permanente Riverside Medical Center ( Site 0099) — Riverside, California
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 California:
  • Los Angeles Cancer Network (LACN) — Anaheim, California
  • Los Angeles Cancer Network (LACN) — Fountain Valley, California
  • Los Angeles Cancer Network (LACN) — Glendale, California
  • Los Angeles Cancer Network (LACN) — Glendale, California
  • Los Angeles Cancer Network (LACN) — Laguna Hills, California
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 California:
  • VA Greater LA Healthcare System — Los Angeles, California
  • VA Palo Alto Health Care System — Palo Alto, California
  • Stanford University Medical Center — Palo Alto, California
  • Sansum Clinic — Santa Barbara, California
  • Saint Johns Cancer Institute — Santa Monica, California
Phase 3 Recruiting Industry

AZD2265 Compared With Standard of Care in PSMA-positive Metastatic Castration-resistant Prostate Cancer (VECTRA-01)

The intention of the study is to demonstrate superiority of AZD2265 relative to standard of care treatments by assessment of radiographic progression-free survival (rPFS) and overall survival (OS) in participants with mCRPC.

Sponsor: AstraZeneca
NCT ID: NCT07611110
Sites in California:
  • Research Site — Duarte, California
  • Research Site — Irvine, California
  • Research Site — Newport Beach, California
  • Research Site — San Francisco, California
Phase 2, Phase 3 Recruiting Federal

Veterans Affairs Seamless Phase II/III Randomized Trial of STAndard Systemic theRapy With or Without PET-directed Local Therapy for Oligometastatic pRosTate Cancer

This is a prospective, open-label, multi-center seamless phase II to phase III randomized clinical trial designed to compare SST with or without PET-directed local therapy in improving the castration-resistant prostate cancer-free survival…

Sponsor: VA Office of Research and Development
NCT ID: NCT04787744
Sites in California:
  • VA Long Beach Healthcare System, Long Beach, CA — Long Beach, California
  • VA Greater Los Angeles Healthcare System, West Los Angeles, CA — West Los Angeles, California
Phase 3 Recruiting Industry

PSMA PET Combined With MRI for the Detection of PCa

This is an open label, longitudinal Phase 3 study of prostate specific membrane antigen (PSMA) positron emission tomography (PET) combined with magnetic resonance imaging (MRI) compared to standard of care (SOC) for the detection of prosta…

Sponsor: Telix Pharmaceuticals (Innovations) Pty Limited
NCT ID: NCT07052214
Sites in California:
  • University of California Los Angeles — Los Angeles, California
  • University of California San Francisco — San Francisco, California
Phase 3 Recruiting Industry

The Study of 177Lu-TLX591 Plus SOC Versus SOC Alone in Patients With mCRPC (ProstACT Global)

The purpose of this study is to evaluate the efficacy and safety of 177Lu-TLX591 in patients with metastatic castration-resistant prostate cancer who have progressed following treatment with Androgen Receptor Pathway Inhibitor Treatment

Sponsor: Telix Pharmaceuticals (Innovations) Pty Limited
NCT ID: NCT06520345
Sites in California:
  • Chao Family Comprehensive Cancer Centre — Orange, California
Phase 3 Recruiting Academic/Other

Screening for Prostate Cancer Using High Resolution Micro-ultrasound Versus Multiparametric Magnetic Resonance Imaging.

The purpose of this study is to compare whether the FDA and Health Canada approved microUS is as effective as the currently used option (MRI) for imaging the prostate gland. Participants will be randomized into two groups to compare the im…

Sponsor: University of Alberta
NCT ID: NCT06626022
Sites in California:
  • University of California, Los Angeles (UCLA) — Los Angeles, California
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 California:
  • Mission Hope Medical Oncology - Arroyo Grande — Arroyo Grande, California
  • PCR Oncology — Arroyo Grande, California
  • Providence Saint Joseph Medical Center/Disney Family Cancer Center — Burbank, California
  • Community Cancer Institute — Clovis, California
  • University Oncology Associates — Clovis, California
Phase 1, Phase 2 Recruiting Industry

The Evaluation of PC14586 in Patients With Advanced Solid Tumors Harboring a TP53 Y220C Mutation (PYNNACLE)

The Phase 2 monotherapy portion of this study is currently enrolling and will evaluate the efficacy and safety of PC14586 (INN rezatapopt) in participants with locally advanced or metastatic solid tumors harboring a TP53 Y220C mutation. Th…

Sponsor: PMV Pharmaceuticals, Inc
NCT ID: NCT04585750
Sites in California:
  • University of California Irvine Chao Family Comprehensive Cancer Center — Irvine, California
  • University of San Diego Moores Cancer Center — La Jolla, California
  • UCLA Jonsson Comprehensive Cancer Center — Los Angeles, California
  • USC Norris Comprehensive Cancer Center — Los Angeles, California
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 California:
  • Cedars Sinai Medical Center — Los Angeles, California
  • Cedars-Sinai Cancer at Cedars-Sinai Medical Center — Los Angeles, California
  • UCSF Medical Center at Mission Bay — San Francisco, California
Phase 2 Recruiting Industry

An Open-label Study of JSB462 (Luxdegalutamide) in Combination With Abiraterone in Adult Male Patients With Metastatic Hormone-sensitive Prostate Cancer (mHSPC)

This Phase II study aims to evaluate efficacy and safety of the combination of JSB462 (also known as luxdegalutamide) at 100 mg and 300 mg once a day (QD) doses + abiraterone compared with an androgen receptor pathway inhibitor (ARPI, abir…

Sponsor: Novartis Pharmaceuticals
NCT ID: NCT06991556
Sites in California:
  • University of California San Diego - Moores Cancer Center — La Jolla, California
  • Saint Johns Cancer Institute — Santa Monica, California
Phase 2 Recruiting Industry

Study of Dato-DXd as Monotherapy and in Combination With Anti-cancer Agents in Patients With Advanced Solid Tumours (TROPION-PanTumor03)

TROPION-PanTumor03 will investigate the safety, tolerability, and anti-tumour activity of Datopotamab Deruxtecan (Dato-DXd) as Monotherapy and in Combination with Anticancer Agents in Patients with Advanced/Metastatic Solid Tumours.

Sponsor: AstraZeneca
NCT ID: NCT05489211
Sites in California:
  • Research Site — Los Angeles, California
  • Research Site — San Diego, California
  • Research Site — Santa Rosa, California
Phase 1, Phase 2 Recruiting Industry

A Phase 1b/2a Study of Pocenbrodib as Monotherapy and in Combination With Darolutamide in Participants With mCRPC

This is a dose-finding study to assess the safety and preliminary antitumor activity of Pocenbrodib alone or with darolutamide in patients with metastatic castration-resistant prostate cancer (mCRPC)

Sponsor: Pathos AI, Inc.
NCT ID: NCT06785636
Sites in California:
  • MemorialCare Orange Coast Medical Center — Fountain Valley, California
  • Cancer and Blood Research Center — Los Alamitos, California
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 California:
  • California Research Institute — Los Angeles, California
  • University of California, San Francisco — San Francisco, California
  • Innovative Clinical Research Institute — Whittier, California
Phase 1, Phase 2 Recruiting Industry

A Trial to Find Out if REGN4336 is Safe and How Well it Works Alone and in Combination With REGN5678 for Adult Participants With Advanced Prostate Cancer

This study is researching an investigational drug called REGN4336 both alone or together with another investigational drug called REGN5678. The study is focused on participants with previously treated metastatic prostate cancer. The main p…

Sponsor: Regeneron Pharmaceuticals
NCT ID: NCT05125016
Sites in California:
  • Stanford University Medical Center - Blake Wilbur Drive — Palo Alto, California
Phase 2 Recruiting Industry

Study of Oral MRT-2359 With Apalutamide in Prostate Cancer

This Phase 2, open-label, multicenter study is conducted in patients with castration-resistant prostate cancer. Patients in this study receive MRT-2359, an investigational oral medicine, in combination with apalutamide, an oral medicine us…

Sponsor: Monte Rosa Therapeutics, Inc
NCT ID: NCT07745361
Sites in California:
  • START Los Angeles — Los Angeles, California
  • Hoag Memorial Hospital Presbyterian — Newport Beach, California

Showing 25 of 93 trials with sites in California. 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: 2026-08-17