- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05613842
Copper-64 SAR Bombesin in PSMA Negative Prostate Cancer (BOP) (BOP)
Assessment of the Diagnostic Value of 64Cu-SAR-BBN PET Imaging for Men With Negative PSMA PET in Prostate Cancer
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This phase 2a study will involve enrolment of men presenting with progression of biopsy proven prostate cancer who require imaging for staging/re-staging of their disease. The participants enrolled will be further sub-stratified into two groups; one group of men with hormone-sensitive disease (cohort A), and a second group of men with castrate-resistant disease being considered for 177Lu-PSMA-617 therapy (Cohort B).
The study will involve men who are being staged or re-staged for metastatic prostate cancer by their treating doctor. The treating doctor will refer the patient to the nuclear medicine department at St. Vincent's Hospital, Sydney for study enrolment.
Screening and D0 visits will be combined for this study. Standard of care bloods (haematology, biochemistry, eGFR and PSA) will be collected at screening/D0 if the results are not already available from the treating doctor. Prior 68Ga-PSMA-11 PET scan within 3 months will be collected from the treating doctor. The PI will ensure that the bloods and 68Ga-PSMA-11 PET scan are reviewed to establish final eligibility before participant undergoes 64Cu-SAR-BBN injection (200mbq) and imaging.
After screening/Day 0 visit, the participant will undergo two imaging scans at 1 hour and 3 hours after having 64Cu-SAR-BBN administration. Total lesional assessment will be calculated with MIM Encore 6.8.7 (MIM Software, Cleveland) using data from the above time points. Safety assessment will be conducted once the participant is enrolled in the study at screening/Day 0 and 48 hours post 3 hours scan by phone call. All adverse events will be recorded on a case report form as source documentation.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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New South Wales
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Sydney, New South Wales, Australia, 2010
- St Vincent's Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Ability to provide informed consent documentation indicating that they understand the purpose and procedures required for the study, and are willing to participate in the study;
- Male patients 18 years or above with hormone sensitive disease, who demonstrate rising PSA levels (>0.2ng/ml) following definitive therapy and a negative 68Ga-PSMA-11 PET scan (defined as SUV max < 3);
- Male patients with metastatic castration resistant prostate cancer being considered for 177Lu-PSMA-617 therapy, with known metastatic disease on conventional imaging and sites with low PSMA expression on 68Ga-PSMA-11 PET scan (defined as SUV max <10) in the presence of disease volume of > 1cm.
Exclusion Criteria:
- Significant inter-current acute illness including (but not limited to) requiring the use of intravenous antibiotics, illness associated with any signs of haemodynamic instability, or illness as determined by trial investigators that warrant other emergent treatment;
- ECOG status higher than 2;
- Major surgery (any procedure requiring general anaesthesia) within 6 weeks prior to screening visit;
- History of significant active cancers requiring treatment other than prostate cancer as per Investigator discretion;
- Any other reason that the investigator considers that would make the patient unsuitable to participate in the study.
- eGFR < 40 mL/min/1.73m2
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Male patients with hormone sensitive disease
who demonstrate rising PSA levels (>0.2ng/ml) following definitive therapy and a negative 68Ga-PSMA-11 PET scan (defined as SUV max < 3);
|
radiolabeled antagonist analog of bombesin for the diagnosis and treatment of gastrin releasing peptide receptor (GRPR)-positive tumors in adults.
The product is Copper-64 labelled SAR-Bombesin (Cu-SAR-BBN).
Cu-SAR-BBN uses radioactive forms (radionuclide) of copper, copper-64 (64Cu) to image cancers using Positron Emission Tomography (PET) and then copper-67 (67Cu) for therapy by internal beta radiation.
64Cu-SAR-BBN has 3 basic components; the radionuclide (64Cu), bound via MeCOSar (a bifunctional metal chelator, SAR) to a bombesin analog that targets GRPR.
Other Names:
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Experimental: Male patients with metastatic castration resistant prostate cancer
being considered for 177Lu-PSMA-617 therapy with known metastatic disease on conventional imaging and sites with low PSMA expression on 68Ga-PSMA-11 PET scan (defined as SUV max <10) in the presence of disease volume of > 1cm.
|
radiolabeled antagonist analog of bombesin for the diagnosis and treatment of gastrin releasing peptide receptor (GRPR)-positive tumors in adults.
The product is Copper-64 labelled SAR-Bombesin (Cu-SAR-BBN).
Cu-SAR-BBN uses radioactive forms (radionuclide) of copper, copper-64 (64Cu) to image cancers using Positron Emission Tomography (PET) and then copper-67 (67Cu) for therapy by internal beta radiation.
64Cu-SAR-BBN has 3 basic components; the radionuclide (64Cu), bound via MeCOSar (a bifunctional metal chelator, SAR) to a bombesin analog that targets GRPR.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Explore the diagnostic potential of 64Cu-SAR-BBN PET In men with rising PSA and negative PSMA PET in the 2 cohorts
Time Frame: 24 months
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sensitivity,specificity and accuracy for the detection of primary cancer in %
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24 months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
To assess the diagnostic value of 64Cu-SAR-BBN PET
Time Frame: 24 months
|
In the detection of PSMA negative biochemically recurrent or metastatic prostate cancer using a composite standard of truth (biopsy, concurrent imaging and response to targeted therapy)
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24 months
|
To evaluate 64Cu-SAR-BBN PET quantitative findings
Time Frame: 24 months
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(SUV max, SUV mean) and sites of metastatic disease and assess the potential for BBN as a therapeutic agent in men with PSMA negative or low PSMA expression disease.
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24 months
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To determine the optimal timing for imaging post BBN injection
Time Frame: 24 months
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with a 1 hour and 3 hours image.
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24 months
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Louise Emmett, Prof, Director
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Neoplasms
- Urogenital Neoplasms
- Neoplasms by Site
- Genital Neoplasms, Male
- Prostatic Diseases
- Urogenital Diseases
- Male Urogenital Diseases
- Genital Diseases, Male
- Genital Diseases
- Prostatic Neoplasms
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Trace Elements
- Micronutrients
- Copper
- Bombesin
Other Study ID Numbers
- 062022-01
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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