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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT05613842
Registration number
NCT05613842
Ethics application status
Date submitted
31/10/2022
Date registered
14/11/2022
Titles & IDs
Public title
Copper-64 SAR Bombesin in PSMA Negative Prostate Cancer (BOP)
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Scientific title
Assessment of the Diagnostic Value of 64Cu-SAR-BBN PET Imaging for Men With Negative PSMA PET in Prostate Cancer
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Secondary ID [1]
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062022-01
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Universal Trial Number (UTN)
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Trial acronym
BOP
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Prostate Cancer
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Condition category
Condition code
Cancer
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Prostate
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - Copper-64 labelled SAR-Bombesin
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);
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.
Treatment: Drugs: Copper-64 labelled SAR-Bombesin
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.
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Explore the diagnostic potential of 64Cu-SAR-BBN PET In men with rising PSA and negative PSMA PET in the 2 cohorts
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Assessment method [1]
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sensitivity,specificity and accuracy for the detection of primary cancer in %
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Timepoint [1]
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24 months
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Secondary outcome [1]
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To assess the diagnostic value of 64Cu-SAR-BBN PET
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Assessment method [1]
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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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Timepoint [1]
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24 months
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Secondary outcome [2]
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To evaluate 64Cu-SAR-BBN PET quantitative findings
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Assessment method [2]
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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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Timepoint [2]
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24 months
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Secondary outcome [3]
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To determine the optimal timing for imaging post BBN injection
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Assessment method [3]
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with a 1 hour and 3 hours image.
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Timepoint [3]
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24 months
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Eligibility
Key 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.
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Males
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Can healthy volunteers participate?
No
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Key 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
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Study design
Purpose of the study
Diagnosis
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Allocation to intervention
Non-randomised trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 2
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
9/08/2022
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
6/06/2023
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Sample size
Target
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Accrual to date
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Final
30
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
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St Vincent's Hospital - Sydney
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Recruitment postcode(s) [1]
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2010 - Sydney
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Funding & Sponsors
Primary sponsor type
Other
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Name
St Vincent's Hospital, Sydney
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Address
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Country
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Other collaborator category [1]
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Commercial sector/industry
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Name [1]
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Clarity Pharmaceuticals Ltd
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Address [1]
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Country [1]
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Ethics approval
Ethics application status
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Summary
Brief summary
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).
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Trial website
https://clinicaltrials.gov/study/NCT05613842
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Louise Emmett, Prof
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Address
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Director
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for scientific queries
Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT05613842