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Prostate Cancer clinical trials in California

101 actively recruiting prostate cancer trials at 86 sites across California.

Data from ClinicalTrials.gov · last refreshed

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 Academic/Other

Testing the Addition of the Drug Apalutamide to the Usual Hormone Therapy and Radiation Therapy After Surgery for Prostate Cancer, INNOVATE Trial

This phase III trial studies whether adding apalutamide to the usual treatment improves outcome in patients with lymph node positive prostate cancer after surgery. Radiation therapy uses high energy x-ray to kill tumor cells and shrink tum…

Sponsor: NRG Oncology
NCT ID: NCT04134260
Sites in California:
  • Kaiser Permanente-Anaheim — Anaheim, California
  • Kaiser Permanente-Baldwin Park — Baldwin Park, California
  • Kaiser Permanente-Bellflower — Bellflower, California
  • Mercy Cancer Center - Carmichael — Carmichael, California
  • Mercy San Juan Medical Center — Carmichael, California
Phase 3 Recruiting Academic/Other

Testing the Addition of Docetaxel (Chemotherapy) to the Usual Treatment (Hormonal Therapy and Apalutamide) for Metastatic Prostate Cancer, ASPIRE Trial

This phase III trial compares the effect of adding docetaxel to hormonal therapy and apalutamide versus hormonal therapy and apalutamide alone in treating patients with prostate cancer that has spread from where it first started (primary s…

Sponsor: Alliance for Clinical Trials in Oncology
NCT ID: NCT06931340
Sites in California:
  • Kaiser Permanente Dublin — Dublin, California
  • Kaiser Permanente-Fremont — Fremont, California
  • Kaiser Permanente Fresno Orchard Plaza — Fresno, California
  • UC San Diego Moores Cancer Center — La Jolla, California
  • Kaiser Permanente- Modesto MOB II — Modesto, California
Phase 3 Recruiting Industry

Saruparib (AZD5305) vs Placebo in Men With Metastatic Castration-Sensitive Prostate Cancer Receiving Physician's Choice New Hormonal Agents

The intention of the study is to demonstrate superiority of Saruparib (AZD5305) + physician's choice NHA relative to placebo + physician's choice NHA by assessment of radiographic progression-free survival (rPFS) in participants with mCSPC.

Sponsor: AstraZeneca
NCT ID: NCT06120491
Sites in California:
  • Research Site — Bakersfield, California
  • Research Site — Fountain Valley, California
  • Research Site — Fullerton, California
  • Research Site — Los Angeles, California
  • Research Site — Los Angeles, California
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 California:
  • UCLA Hematology/Oncology - Alhambra — Alhambra, California
  • UCLA Hematology/Oncology - Atascadero — Atascadero, California
  • Cedars-Sinai Cancer Beverly Hills (drug treatment and dispensing location) — Beverly Hills, California
  • Cedars-Sinai Cancer Beverly Hills — Beverly Hills, California
  • UCLA Hematology/Oncology - Beverly Hills — Beverly Hills, 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
  • Ronald Reagan UCLA Medical Center — Los Angeles, California
Phase 3 Recruiting Industry

Copper Cu 64 PSMA I&T PET Imaging in Men With Newly Diagnosed Prostate Cancer

This is a prospective, open-label Phase 3 study to evaluate copper Cu 64 PSMA I\&T injection for PET/CT imaging in patients with newly diagnosed unfavorable intermediate high-risk, high-risk or very high-risk prostate cancer.

Sponsor: Curium US LLC
NCT ID: NCT06235151
Sites in California:
  • Providence Medical Foundation — Fullerton, California
  • Tower Urology — Los Angeles, California
  • VA Greater Los Angeles Healthcare System — Los Angeles, California
  • Hoag Memorial Hospital Presbyterian — Newport Beach, California
  • University of California, Irvine — Orange, California
Phase 3 Recruiting Industry

Phase 3 Study of Xaluritamig vs Cabazitaxel or Second Androgen Receptor-Directed Therapy in Participants With Progressive Metastatic Castration-Resistant Prostate Cancer (XALute)

The main objective of the study is to compare overall survival in participants receiving xaluritamig versus investigator's choice (cabazitaxel or second androgen receptor-directed therapy \[ARDT\]).

Sponsor: Amgen
NCT ID: NCT06691984
Sites in California:
  • City of Hope National Medical Center — Duarte, California
  • Providence Saint Jude Medical Center — Fullerton, California
  • Cedars Sinai Medical Center — Los Angeles, California
  • University of California Irvine — Orange, California
  • University of California San Francisco — San Francisco, 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) when …

Sponsor: Janssen Research & Development, LLC
NCT ID: NCT07225946
Sites in California:
  • University Of California San Diego — La Jolla, California
  • USC Norris Comprehensive Cancer Center — Los Angeles, California
  • Valkyrie Clinical Trials — Los Angeles, California
  • Kaiser Permanente Southern California — Riverside, California
  • Providence Saint John s Health Center — Santa Monica, California
Phase 3 Recruiting Industry

64Cu-SAR-bisPSMA Positron Emission Tomography: A Phase 3 Study of Participants With Biochemical Recurrence of Prostate Cancer

The aim for this study is to investigate the ability of 64Cu-SAR-bisPSMA PET/CT to detect recurrence of prostate cancer

Sponsor: Clarity Pharmaceuticals Ltd
NCT ID: NCT06970847
Sites in California:
  • UC Irvine — Irvine, California
  • Comprehensive Urology Medical Group — Los Angeles, California
  • Alarcon Urology Center — Montebello, California
Phase 3 Recruiting Industry

Study Comparing AAA817+ARPI Versus Standard of Care in Adult Participants With PSMA-positive mCRPC

The purpose of this study is to determine whether \[225Ac\]Ac-PSMA-617 (AAA817), given for up to 6 cycles at a dose of 10 Megabecquerel (MBq) +/- 10%, plus androgen receptor pathway inhibitor (ARPI), improves the radiographic progression f…

Sponsor: Novartis Pharmaceuticals
NCT ID: NCT06855277
Sites in California:
  • Sansum Clinic — Santa Barbara, 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
  • Stanford University Medical Center — Palo Alto, 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 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 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 California:
  • Mission Hope Medical Oncology - Arroyo Grande — Arroyo Grande, California
  • Providence Saint Joseph Medical Center/Disney Family Cancer Center — Burbank, California
  • Mercy Cancer Center �� Carmichael — Carmichael, California
  • Mercy San Juan Medical Center — Carmichael, California
  • City of Hope Comprehensive Cancer Center — Duarte, 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

Metastatic Castrate-Resistant Prostate Cancer Subjects Treated With PROVENGE® + One Infusion of Sipuleucel-T

A multicenter, open-label, prospective study to investigate immune boost response changes in patients with metastatic castrate-resistant prostate cancer (mCRPC).

Sponsor: Dendreon
NCT ID: NCT06134232
Sites in California:
  • City of Hope - National Medical Center — Duarte, California
  • Urology Associates of Central California Medical Group — Fresno, California
  • Unio Health Partners - Genesis Research, LLC — San Diego, California
Phase 1, Phase 2 Recruiting Industry

A Phase 1/2a Study of DB-1311/BNT324 in Advanced/Metastatic Solid Tumors

This is a dose-escalation and dose-expansion Phase 1/2a trial to evaluate the safety and tolerability of DB-1311/BNT324 in subjects with advanced solid tumors.

Sponsor: DualityBio Inc.
NCT ID: NCT05914116
Sites in California:
  • Research Site 125 — Los Angeles, California
  • Research Site 133 — Los Angeles, California
  • Research Site 103 — Los Angeles, California
  • Research Site 128 — Santa Monica, California
Phase 1, Phase 2 Recruiting Industry

FOG-001 in Locally Advanced or Metastatic Solid Tumors

The goal of this clinical trial is to determine if FOG-001 is safe and effective in participants with locally advanced or metastatic solid tumors.

Sponsor: Parabilis Medicines, Inc.
NCT ID: NCT05919264
Sites in California:
  • Stanford Cancer Institute, Stanford University — Palo Alto, California
  • University of California San Francisco, Helen Diller Family Comprehensive Cancer Center — San Francisco, California
  • Sarcoma Oncology Center — Santa Monica, 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 1, Phase 2 Recruiting Industry

A Trial to Find Out if REGN5678 (Nezastomig) is Safe and How Well it Works Alone or in Combination With Cemiplimab for Adult Participants With Metastatic Castration-Resistant Prostate Cancer and Other Tumors

The main purpose of this study is to determine the safety, tolerability (how the body reacts to the drug\[s\]) and effectiveness (ability to treat the cancer) of REGN5678 (Nezastomig) alone, or in combination with cemiplimab. The study has…

Sponsor: Regeneron Pharmaceuticals
NCT ID: NCT03972657
Sites in California:
  • John Wayne Cancer Institute (JWCI) — Santa Monica, California
Phase 2 Recruiting Industry

A Study of FG-3246 in Participants With Metastatic Castration-Resistant Prostate Cancer (mCRPC)

The purpose of this study is to evaluate the safety, efficacy, tolerability, and pharmacokinetics (PK) of FG-3246, a cluster of differentiation 46 (CD46) targeting antibody-drug conjugate (ADC), in the treatment of participants with mCRPC …

Sponsor: Kyntra Bio
NCT ID: NCT06842498
Sites in California:
  • UCLA Clark Urology Center — Los Angeles, California
  • University of California San Francisco — San Francisco, California
Phase 1, Phase 2 Recruiting Industry

A Study of Peluntamig (PT217) in Patients With Neuroendocrine Carcinomas Expressing DLL3 (the SKYBRIDGE Study)

This is a first-in-human, Phase 1/2, open-label, dose escalation, dose expansion and combination study designed to evaluate the safety, tolerability, pharmacokinetics, pharmacodynamics, and preliminary efficacy of Peluntamig (PT217) as a m…

Sponsor: Phanes Therapeutics
NCT ID: NCT05652686
Sites in California:
  • City of Hope (City of Hope National Medical Center, City of Hope Medical Center) — Duarte, California
Phase 2 Recruiting Academic/Other

A Study of Tarlatamab for People With Prostate Cancer

The researchers are doing this study to find out whether tarlatamab is an effective treatment for Delta-like Protein 3 (DLL3)-positive prostate cancer that has spread to other parts of your body (metastasized) and has either come back afte…

Sponsor: Memorial Sloan Kettering Cancer Center
NCT ID: NCT07111507
Sites in California:
  • UNIVERSITY OF CALIFORNIA SAN DIEGO (Data collection only) — San Diego, California
  • University of California San Francisco — San Francisco, California

Showing 25 of 101 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: 2026-04-20