An Investigational Scan (68Ga-PSMA-11 PET) for the Imaging of Prostate Cancer
68Ga-PSMA-11 PET in Patients With Prostate Cancer
3 other identifiers
interventional
141
1 country
1
Brief Summary
This trial studies how well 68Ga-PSMA-11 PET scan works in imaging patients with prostate cancer. Diagnostic procedures, such as 68Ga-PSMA-11 PET may find and diagnose prostate cancer and improve monitoring of treatment response.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_2
Started May 2021
Longer than P75 for phase_2
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
February 25, 2021
CompletedFirst Posted
Study publicly available on registry
March 2, 2021
CompletedStudy Start
First participant enrolled
May 17, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 15, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
July 15, 2030
ExpectedJanuary 9, 2026
January 1, 2026
4.2 years
February 25, 2021
January 7, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Change in planned management strategy
Assessed using conventional imaging with executed management strategy incorporating information from first (scan 1) 68Ga-prostate-specific membrane antigen (PSMA)-11 positron emission tomography (PET)/computed tomography (CT), regardless of treatment modality. Will be expressed as the percentage of total patients imaged in which change in management occurred, regardless of treatment modality. The rate of change in management will also be estimated within each group (initial staging, biochemical recurrence, and equivocal lesion cohorts). 95% confidence intervals (CIs) will be used to express precision of the estimates.
Baseline up to 1.5 years after the last scan
Secondary Outcomes (9)
Major change in management
Baseline up to 5 years post-scan
Minor change in management
Baseline up to 5 years post-scan
68Ga-PSMA-11 standardized uptake value maximum (SUVmax)
Up to 6 weeks after systemic therapy initiation
68Ga-PSMA-11 standard uptake value normalized to lean body mass (SULpeak)
Up to 6 weeks after systemic therapy initiation
Change in 68Ga-PSMA-11 SUVmax
Baseline up to 6 weeks after systemic therapy initiation
- +4 more secondary outcomes
Study Arms (1)
Diagnostic (Gallium Ga 68-labeled PSMA-11, PET/CT, PET/MR)
EXPERIMENTALPatients receive gallium Ga 68-labeled PSMA-11 IV over 60-75 minutes then undergo PET/CT or PET/MR scan over 2-4 minutes per bed position at baseline. Patients receiving systemic therapy undergo an additional 68Ga-PSMA-11 PET/CT or PET/MR scan 12 weeks after initiating therapy. Patients may also undergo CT and bone scan during screening and on study.
Interventions
Undergo PET/CT scan
Given IV
Undergo PET/CT scan
Undergo PET/MR scan
Ancillary studies
Eligibility Criteria
You may qualify if:
- Pathologically proven prostate adenocarcinoma
- For the initial staging arm (initial staging cohort), high risk characteristics, including any of the following:
- Grade group 4-5 and/or
- PSA \> 20 ng/mL
- For patients with biochemical recurrence (biochemical recurrence cohort):
- Rising PSA after definitive therapy with prostatectomy or targeted local therapy (including but not limited to external beam radiation therapy, brachytherapy, high-frequency ultrasound, and cryotherapy)
- If post-radical prostatectomy, PSA \> 0.2 ng/mL measured \> 6 weeks post-operatively and confirmatory persistent PSA greater than 0.2 ng/mL (American Urological Association (AUA) definition for biochemical recurrence
- If post-radiation therapy, PSA that is equal to, or greater than, a 2 mg/mL rise above PSA nadir (American Society of Radiation Oncology (ASTRO) definition for biochemical recurrence)
- For patients undergoing systemic therapy (treatment monitoring cohort):
- Diagnosis of metastatic castration-resistant prostate cancer
- At least one or more measurable ( \> 1 cm diameter in short axis) or evaluable lesions by any modality obtained within the past 60 days
- Planned for treatment with standard of care androgen receptor pathway inhibitor or chemotherapy
- This can include patients who have already undergone a standard of care Ga-68 PSMA PET/CT or PET/MR for determining eligibility for Lu-177 PSMA therapy, for whom the PET/CT or PET/MR did not confirm eligibility for treatment with Lu-177 PSMA, and who are planned to start treatment on chemotherapy or androgen receptor signaling inhibitor (ARSI) within 30 days of the Ga-68 PSMA PET. This can also include patients who have obtained a standard of care Ga-68 PSMA PET/CT or PET/MR for rising PSA to help with restaging prior to starting new treatment with ARSI or chemotherapy, even if Lu-177 PSMA is not being considered at that time. Scan 1 must be completed within 30 days of enrollment. Any patient with an equivocal lesion by conventional imaging, regardless of where they are in the course of evaluation or treatment (equivocal lesion cohort)
- No other malignancy within the past 2 years (with the exception of skin basal cell or cutaneous superficial squamous cell carcinoma, superficial bladder cancer, carcinoma in situ in any location, or Rai Stage 0 chronic lymphocytic leukemia, which are allowed)
- Eastern Cooperative Oncology Group/World Health Organization (ECOG/WHO) performance status grades 0, 1, or 2
- +1 more criteria
You may not qualify if:
- Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Fred Hutch/University of Washington Cancer Consortium
Seattle, Washington, 98109, United States
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Delphine L. Chen, M.D.
Fred Hutch/University of Washington Cancer Consortium
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- NA
- Masking
- NONE
- Purpose
- DIAGNOSTIC
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
February 25, 2021
First Posted
March 2, 2021
Study Start
May 17, 2021
Primary Completion
July 15, 2025
Study Completion (Estimated)
July 15, 2030
Last Updated
January 9, 2026
Record last verified: 2026-01
Data Sharing
- IPD Sharing
- Will not share