Actively Recruiting

Phase 1
Phase 2
Age: 18Years +
MALE
NCT04868604

64Cu-SAR-bisPSMA and 67Cu-SAR-bisPSMA for Identification and Treatment of PSMA-expressing Metastatic Castrate Resistant Prostate Cancer (SECuRE)

Led by Clarity Pharmaceuticals Ltd · Updated on 2026-05-06

54

Participants Needed

7

Research Sites

263 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

The aim of this study is to determine the safety and efficacy of 67Cu-SAR-bisPSMA in participants with PSMA-expressing metastatic castrate resistant prostate cancer.

CONDITIONS

Official Title

64Cu-SAR-bisPSMA and 67Cu-SAR-bisPSMA for Identification and Treatment of PSMA-expressing Metastatic Castrate Resistant Prostate Cancer (SECuRE)

Who Can Participate

Age: 18Years +
MALE

Eligibility Criteria

Eligible

You may qualify if you...

  • Signed informed consent
  • Age 18 years or older
  • Eastern Cooperative Oncology Group performance status 0 to 2
  • Life expectancy greater than 6 months
  • Confirmed diagnosis of prostate cancer
  • Positive 64Cu-SAR-bisPSMA PET/CT scan with uptake higher than liver in at least one lesion
  • Castrate level of serum/plasma testosterone (<50 ng/dL or <1.7 nmol/L)
  • Progressive metastatic castration-resistant prostate cancer despite prior androgen deprivation therapy and specific prior treatments with androgen receptor pathway inhibitors
  • At least one metastatic lesion present on recent imaging within 28 days prior to enrollment
  • Recovery to Grade 2 or less from all significant toxicities related to prior therapies
  • Adequate organ function including specified blood counts, liver enzymes, and kidney function
  • For participants with HIV, must be healthy with low risk of AIDS-related outcomes
  • Use of adequate birth control methods if participant or partner is of childbearing potential
Not Eligible

You will not qualify if you...

  • Major surgery within 12 weeks prior to enrollment
  • Brain metastases
  • Small cell or neuroendocrine prostate cancer diagnosis
  • History of leukemia or myelodysplastic syndrome
  • Recent diagnosis of deep vein thrombosis or pulmonary embolism within 4 weeks
  • Unmanageable urinary tract obstruction
  • PSMA-negative progressive lesions on PET/CT scan at screening (with exceptions)
  • Previous systemic radionuclide treatments within specified timeframes without approval
  • Recent systemic anti-cancer therapy within 4 weeks prior to study treatment
  • Prior chemotherapy within 4 weeks for dose escalation group
  • Prior cytotoxic chemotherapy for castration resistant prostate cancer in cohort expansion
  • Prior investigational agents within 4 weeks
  • Known hypersensitivity to study drugs
  • Transfusion only to meet eligibility
  • Spinal metastasis with symptomatic or impending cord compression
  • Serious concurrent medical conditions that impair participation
  • Other malignancies affecting life expectancy or disease assessment unless disease-free for over 3 years
  • Conditions posing unacceptable radiation safety risks
  • Planned external beam radiation therapy after enrollment (with exceptions)
  • In the concomitant enzalutamide group: hypersensitivity to enzalutamide, history of seizures, recent loss of consciousness or transient ischemic attack, and conditions increasing seizure risk

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 7 locations

1

Stanford Cancer Institute

Stanford, California, United States, 94305

Actively Recruiting

2

East Jefferson General Hospital

River Ridge, Louisiana, United States, 70123

Actively Recruiting

3

BAMF Health

Grand Rapids, Michigan, United States, 49503

Actively Recruiting

4

Mayo Clinic

Rochester, Minnesota, United States, 55905

Actively Recruiting

5

Washington University School of Medicine at Barnes-Jewish Hospital

St Louis, Missouri, United States, 63110

Actively Recruiting

6

XCancer

Omaha, Nebraska, United States, 68130

Actively Recruiting

7

Weill Cornell Medicine at New York-Presbyterian

New York, New York, United States, 10021

Actively Recruiting

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Research Team

C

Clarity Pharmaceuticals

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

1

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64Cu-SAR-bisPSMA and 67Cu-SAR-bisPSMA for Identification and Treatment of PSMA-expressing Metastatic Castrate Resistant Prostate Cancer (SECuRE) | DecenTrialz