- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03515577
Gallium Ga 68-labeled PSMA-11 PET/CT and Fluciclovine F18 PET/CT in Imaging Participants With Recurrent Prostate Cancer After Surgery (PSMA vs AXUMIN)
Prospective Single Center Trial to Compare 68Ga-PSMA-11 and Axumin PET/CT (18F-Fluciclovine) for Restaging Prostate Cancer Patients With Biochemical Recurrence After Radical Prostatectomy
Study Overview
Status
Conditions
Detailed Description
PRIMARY OBJECTIVES:
I. To compare the detection rates of gallium 68-labeled PSMA-11 ([68]Ga-PSMA-11) PET/CT and fluciclovine F18 (Axumin) PET/CT for the identification of tumor location(s), by patient and region based analysis.
SECONDARY OBJECTIVES:
I. Detection rate on a per-patient basis of (68)Ga-PSMA-11 PET/CT and Axumin PET/CT, stratified by prostate-specific antigen (PSA) value (0.2 - < 0.5; 0.5 - < 1.0; 1.0 - < 2.0).
II. Sensitivity and positive predictive value (PPV) on a per-patient basis, of (68)Ga-PSMA-11 PET/CT and Axumin PET/CT for the detection of tumor location(s), confirmed by histopathology/biopsy and/or clinical and conventional imaging follow-up.
III. Agreement among the readers, separate for (68)Ga-PSMA-11 PET/CT versus Axumin PET/CT.
OUTLINE:
Participants receive (68)Ga-PSMA-11 intravenously (IV) and 60-90 minutes later, undergo PET/CT imaging over 3 hours. Participants also undergo best standard of care Axumin PET/CT within 2 weeks before or after (68)Ga-PSMA-11 PET/CT.
After completion of the PET/CT scan, participants are followed up between 1 and 3 days and up to 12 months.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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California
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Los Angeles, California, United States, 90095
- UCLA / Jonsson Comprehensive Cancer Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Histopathologically proven prostate cancer (PCa)
- Radical prostatectomy as definitive treatment for PCa
- Proven biochemical recurrence as defined by American Urological Association (AUA) recommendation: PSA greater than or equal to 0.2 ng/mL measured more than 6 weeks after radical prostatectomy
- PSA values ranging from 0.2 ng/mL to 2 ng/mL
- No prior salvage therapies (including salvage radiotherapy and/or salvage lymph node dissection)
- Axumin PET/CT scan already performed or scheduled as best standard of care procedure for suspected disease relapse within 2 weeks before or after intended 68Ga-PSMA-11 PET/CT
- Karnofsky performance status of ≥ 50 (or Eastern Cooperative Oncology Group (ECOG)/World Health Organization [WHO] equivalent)
- Ability to understand a written informed consent document and the willingness to sign it
Exclusion Criteria:
- Any change in prostate cancer treatment between Axumin and 68Ga-PSMA PET/CT scan
- Unable to lie flat, still or tolerate a PET scan
Study Plan
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: Diagnostic ([68]Ga-PSMA-11 PET/CT, Axumin PET/CT)
Participants receive (68)Ga-PSMA-11 IV and 60-90 minutes later, undergo PET/CT imaging over 3 hours.
Participants also undergo best standard of care Axumin PET/CT within 2 weeks before or after (68)Ga-PSMA-11 PET/CT.
|
Correlative studies
Undergo PET/CT
Other Names:
Undergo PET/CT
Other Names:
Given fluciclovine F18
Other Names:
Given IV
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Gallium 68-labeled PSMA-11 ([68]Ga-PSMA-11) and fluciclovine F18 (Axumin) detection rates
Time Frame: Up to 15 months: through data analysis completion (anonymized central imaging read), an estimation of 3 months after enrollment completion.
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Will compare rates for the identification of tumor location(s), assessed by patient and region based analysis.
This will be calculated and reported along with the corresponding two-sided 95% confidence intervals.
The confidence intervals will be constructed using the Wilson score method.
Detection rate in the per-participant analysis is defined as number of participants with PET positive disease, independent of pathology or imaging/clinical follow-up.
Detection rate in the per-region analysis is defined as number of regions (prostate bed, pelvic lymph-nodes, extra-pelvic lymph-nodes, bone metastases, other soft tissue) resulted PET positive, independent of pathology or imaging/clinical follow-up.
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Up to 15 months: through data analysis completion (anonymized central imaging read), an estimation of 3 months after enrollment completion.
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Detection rates on a per-patient basis of 68^Ga-PSMA-11 PET and Axumin PET
Time Frame: Up to 1 year after completion of PET/CT with 68^Ga-PSMA-11
|
This will be stratified by prostate-specific antigen (PSA) value (0.2 - < 0.5, 0.5 - < 1.0, 1.0 - < 2.0, 2.0 - < 5.0, ≥ 5.0) and will be summarized in tabular format and compared between PSA using chi-square analysis.
Detection rate is defined as number of participants with PET positive disease, independent of pathology, imaging or clinical follow-up.
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Up to 1 year after completion of PET/CT with 68^Ga-PSMA-11
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Sensitivity and PPV by-participant and region-based analysis of 68^Ga-PSMA-11 PET and Axumin PET for detection of tumor location(s)
Time Frame: Up to 1 year after completion of PET/CT with 68^Ga-PSMA-11
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The sensitivity and positive predictive values (PPV) will be calculated and reported along with the corresponding two-sided 95% confidence intervals.
The confidence intervals will be constructed using the Wilson score method.
Only participants having histopathology/biopsy and/or clinical and conventional imaging follow-up will be analyzed
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Up to 1 year after completion of PET/CT with 68^Ga-PSMA-11
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Inter-observer (reader) agreement
Time Frame: Up to 15 months: through data analysis completion (anonymized central imaging read), an estimation of 3 months after enrollment completion.
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Agreement will be calculated separately for 68^Ga-PSMA-11 PET/CT versus Axumin PET/CT.
For binary data, agreement among central readers will be evaluated using Fleiss' k.
For non-binary data with more than ten observations, agreement among central readers will be evaluated by interclass correlation coefficient (ICC).
Ninety-five percent confidence intervals (CIs) will be reported for k and ICC values.
Interpretation of k and ICC will be based on a classification provided by Landis and Koch: 0.0, poor; 0.0-0.20,
slight; 0.21-0.40,
fair; 0.41-0.60,
moderate; 0.61-0.80,
substantial; 0.81-1.00,
almost-perfect reproducibility.
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Up to 15 months: through data analysis completion (anonymized central imaging read), an estimation of 3 months after enrollment completion.
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Collaborators and Investigators
Investigators
- Principal Investigator: Johannes Czernin, M.D., UCLA / Jonsson Comprehensive Cancer Center
Publications and helpful links
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
Other Study ID Numbers
- 17-001885 (Other Identifier: UCLA / Jonsson Comprehensive Cancer Center)
- NCI-2018-00546 (Registry Identifier: CTRP (Clinical Trial Reporting Program))
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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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