CancerDrs

Prostate Cancer clinical trials in California

99 actively recruiting prostate cancer trials at 82 sites across California.

Data from ClinicalTrials.gov · last refreshed

Payments from drug makers to the doctors running these trials

For 3 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 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 California:
  • Kaiser Permanente-Anaheim — Anaheim, California
  • Mission Hope Medical Oncology - Arroyo Grande — Arroyo Grande, California
  • Kaiser Permanente-Baldwin Park — Baldwin Park, California
  • Kaiser Permanente-Bellflower — Bellflower, California
  • Tower Cancer Research Foundation — Beverly Hills, California
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 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 Corona — Corona, California
Phase 3 Recruiting Network

Standard Systemic Therapy With or Without Definitive Treatment in Treating Participants With Metastatic Prostate Cancer

This phase III trial studies how well standard systemic therapy with or without definitive treatment (prostate removal surgery or radiation therapy) works in treating participants with prostate cancer that has spread to other places in the…

Sponsor: SWOG Cancer Research Network
NCT ID: NCT03678025
Sites in California:
  • Kaiser Permanente-Deer Valley Medical Center — Antioch, California
  • Community Cancer Institute — Clovis, California
  • University Oncology Associates — Clovis, California
  • City of Hope Comprehensive Cancer Center — Duarte, California
  • Kaiser Permanente Dublin — Dublin, 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 San Diego Moores Cancer Center — La Jolla, California
  • Cedars-Sinai Medical Center — Los Angeles, California
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 California:
  • CHAO Family Comprehensive Cancer Center and Ambulatory Care ( Site 0120) — Irvine, California
  • UCLA Hematology/Oncology - Santa Monica ( Site 0044) — Los Angeles, California
  • University of California, Irvine (UCI) Health - UC Irvine Medical Center ( Site 0040) — Orange, California
  • Stanford Cancer Center ( Site 0036) — Palo Alto, California
  • Emad Ibrahim,MD,INC. ( Site 0012) — Redlands, California
Phase 3 Recruiting Industry

A Study of Pasritamig With or Without JNJ-87189401 Versus Placebo for 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 Part 1 in combination with best supportive care (BSC) and in Part 2 wit…

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
  • San Francisco VA Medical Center — San Francisco, 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

Positron Emission Tomography Using 64Cu-SAR-bisPSMA in Participants With High-risk Prostate Cancer Prior to Radical Prostatectomy

The aim for this study is to assess the diagnostic performance of 64Cu-SAR-bisPSMA PET to detect regional nodal metastases.

Sponsor: Clarity Pharmaceuticals Ltd
NCT ID: NCT06056830
Sites in California:
  • Urology Group of Southern California — Los Angeles, California
  • Greater Los Angeles VA Medical Center — Los Angeles, California
  • UC Irvine Health — Orange, California
  • Stanford University Medical Center — Stanford, California
Phase 3 Recruiting Industry

A Phase III Trial of BNT324 Versus Docetaxel in Metastatic Castration-resistant Prostate Cancer

This study will test whether BNT324 is safe and works better against metastatic castration-resistant prostate cancer (mCRPC) than the current standard of care (SoC) chemotherapy, which is docetaxel (given together with the steroid medicine…

Sponsor: BioNTech SE
NCT ID: NCT07365995
Sites in California:
  • Sansum Clinic — Santa Barbara, 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

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 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

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 or in participants with familial adenomatous polyposis (FAP).

Sponsor: Parabilis Medicines, Inc.
NCT ID: NCT05919264
Sites in California:
  • University of California, Los Angeles (UCLA) — Los Angeles, 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 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

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:
  • VA Greater Los Angeles Healthcare System — Los Angeles, California
  • UCLA Clark Urology Center — Los Angeles, California
  • University of California San Francisco — San Francisco, 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

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 Study of DB-1310 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-1310 in subjects with advanced solid tumors.

Sponsor: DualityBio Inc.
NCT ID: NCT05785741
Sites in California:
  • University of California, Davis Comprehensive Cancer Center — Sacramento, California
  • UCLA Hematology/Oncology - Santa Monica — Santa Monica, 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
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 NIH

Testing the Safety and Effectiveness of Radiation-based Treatment (Lutetium Lu 177 Dotatate) for Metastatic Prostate Cancer That Has Neuroendocrine Cells

This phase II trial studies how well lutetium Lu 177 dotatate works in treating patients with prostate cancer with neuroendocrine differentiation that has spread to other places in the body (metastatic). Neuroendocrine differentiation refe…

Sponsor: National Cancer Institute (NCI)
NCT ID: NCT05691465
Sites in California:
  • City of Hope Comprehensive Cancer Center — Duarte, California
  • Los Angeles General Medical Center — Los Angeles, California
  • USC / Norris Comprehensive Cancer Center — Los Angeles, California
  • University of California Davis Comprehensive Cancer Center — Sacramento, California

Showing 25 of 99 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: 2026-10-19