- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04796467
68Ga-P16-093 and 68Ga-PSMA-617 PET/CT Imaging in the Same Group of Prostate Cancer Patients
August 4, 2022 updated by: Peking Union Medical College Hospital
A Pilot Prospective Comparison of 68Ga-P16-093 and 68Ga-PSMA-617 in the Same Group of Prostate Cancer Patients
Prostate-specific membrane antigen (PSMA)-targeted PET imaging with 68Ga-labeled compounds is able to provide superior sensitivity and specificity to detect primary prostate tumor and its metastases, like the widely studied 68Ga-PSMA-617.
This pilot study was prospectively designed to evaluate the early dynamic distribution of 68Ga-P16-093, a novel radiopharmaceutical targeting PSMA, which was compared with 68Ga-PSMA-617 in the same group of prostate cancer patients.
Study Overview
Status
Recruiting
Conditions
Intervention / Treatment
Detailed Description
Prostate cancer (PC) is one of the most common malignancies worldwide in men, with persistently high numbers dying from this disease.
Due to low levels of glycolysis in prostate cancer cell, the uses of 18F-FDG PET/CT to detect prostate cancer and its metastases are limited.
Prostate specific membrane antigen (PSMA), as known as folate hydrolase I or glutamate carboxypeptidase II, is overexpressed on the cells of prostatic adenocarcinoma.
Various low molecular weight radiopharmaceuticals targeting PSMA such as PSMA-617, PSMA-11 for 68Ga-labeling have been developed.
68Ga-PSMA PET/CT has demonstrated desirable sensitivity and specificity in the detection of prostate cancer lesions, which can find many micro lesions that cannot be identified by CT, MRI and bone scan.
68Ga-P16-093, a novel radiopharmaceutical targeting PSMA, with the urea fragment of a conjugate that employs the HBED-CC chelator for labeling with 68Ga(III).
The HBED-based chelating ligand binds the 68Ga3+ ion with high affinity in a pseudo-octahedral N2O4 coordination sphere by its two phenolate O, two amino-acetate carboxylate O, and two amino N donor atoms.
Mark A. Green et.al had demonstrated that 68Ga-P16-093 provided diagnostic information that appeared equivalent to 68Ga-PSMA-11 in prostate cancer patients presenting with biochemical recurrence, and 68Ga-P16-093 exhibits less urinary excretion than observed for 68Ga-PSMA-11.
This pilot study was prospectively designed to evaluate the early dynamic distribution of 68Ga-P16-093 compared with 68Ga-PSMA-617 in the same group of prostate cancer patients.
Study Type
Interventional
Enrollment (Anticipated)
50
Phase
- Phase 2
- Phase 3
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
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Beijing
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Beijing, Beijing, China, 100730
- Recruiting
- Peking Union Medical College Hospital
-
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 90 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
Male
Description
Inclusion Criteria:
- confirmed treated or untreated prostate cancer patients;
- 68Ga-PSMA617 and 68Ga-P16-093 PET/CT within two consecutive days;
- signed written consent.
Exclusion Criteria:
- known allergy against PSMA;
- any medical condition that in the opinion of the investigator may significantly interfere with study compliance.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: 68Ga-PSMA617 and 68Ga-P16-093 PET/CT scan
Patients of Prostate cancer PET/CT imaging: In two consecutive days each patient underwent a PET/CT scan after intravenous administration of 68Ga-PSMA617 and 68Ga-P16-093, respectively.
|
Intravenous injection of one dosage of 148-185 MBq (4-5 mCi) 68Ga-PSMA-617.
Tracer doses of 68Ga-PSMA-617 will be used to image lesions of prostate cancer by PET/CT.
Other Names:
Intravenous injection of one dosage of 148-185 MBq (4-5 mCi) 68Ga-P16-093.
Tracer doses of 68Ga-P16-093 will be used to image lesions of prostate cancer by PET/CT.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Metabolic parameters
Time Frame: through study completion, an average of 1 year]
|
the early dynamic distribution (SUVmax in tumor lesions and SUVmean in normal organs at different time points) of 68Ga-P16-093 in comparison with 68Ga-PSMA-617 in the same group of prostate cancer patients.
|
through study completion, an average of 1 year]
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
detection capability of tumor
Time Frame: through study completion, an average of 1 year
|
the tumor number detected by 68Ga-P16-093 PET/CT for prostate cancer in comparison with 68Ga-PSMA-617 PET/CT
|
through study completion, an average of 1 year
|
SUVmax of tumor
Time Frame: through study completion, an average of 1 year
|
the tumor uptake on 68Ga-P16-093 PET/CT for prostate cancer in comparison with 68Ga-PSMA-617 PET/CT
|
through study completion, an average of 1 year
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
PSMA expression and SUV
Time Frame: through study completion, an average of 1 year
|
Correlation between PSMA expression and SUV in PET
|
through study completion, an average of 1 year
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
October 1, 2020
Primary Completion (Actual)
August 1, 2021
Study Completion (Anticipated)
October 1, 2022
Study Registration Dates
First Submitted
February 23, 2021
First Submitted That Met QC Criteria
March 10, 2021
First Posted (Actual)
March 12, 2021
Study Record Updates
Last Update Posted (Actual)
August 9, 2022
Last Update Submitted That Met QC Criteria
August 4, 2022
Last Verified
August 1, 2022
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- PekingUMCHPSMA093
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
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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