18F-PSMA-1007 PET/CT Imaging in Patients With Biochemically Recurrent or High-risk Prostate Cancer

November 23, 2023 updated by: University of Alberta
Single centre prospective cohort phase II study of 18F-PSMA-1007 PET/CT imaging in patients with biochemically recurrent or high-risk prostate cancer. Safety, biodistribution, clinical efficacy, and diagnostic accuracy will be assessed. For diagnostic accuracy comparison will be made to a contemporary (within 10 days) conventional imaging study (bone scan and CT scan).

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Active, not recruiting

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

A single centre prospective cohort phase II study of 18F-PSMA-1007 PET/CT imaging in specific patient populations:

  1. Adult patients (≥ 18 years old) with a history of radical prostatectomy for treatment of prostate cancer, and a serum prostate specific antigen (PSA) > 0.2 µg/L
  2. Adult patients (≥ 18 years old) with a history of radiotherapy, cryotherapy, or brachytherapy for treatment of prostate cancer, and a serum PSA progressively rising to ≥ 2 µg/L (minimum two samples) OR a serum PSA doubling-time of < 9 months
  3. Adult patients (≥ 18 years old) with a history of biopsy-proven prostate cancer and high-risk features for metastatic disease prior to treatment with radical prostatectomy, radiotherapy, cryotherapy, or brachytherapy. High-risk features include a Gleason score > 7, serum PSA > 20 µg/L, OR minimum clinical T-stage T2c.

All patients will have a comparison conventional imaging study performed within 10 days of the investigational PET/CT scan. The conventional imaging study will include a 99mTc -MDP bone scan including whole body planar imaging (top of skull to toes) as well as SPECT/CT imaging of the trunk (including clavicles to pelvis). In the absence of contraindications (renal failure with eGFR < 40 mL/min/1.73m2 or history of IV contrast allergy), all scans will include an IV-contrast enhanced CT scan of the chest, abdomen, and pelvis. In the presence of contraindications to IV contrast, a non-IV contrast enhanced CT scan of the chest, abdomen, and pelvis will be performed.

The biodistribution of 18F-PSMA-1007 produced by the Edmonton PET Centre will be evaluated in 2 ways:

  • by comparing the biodistribution of tracer on the scans to an expected normal distribution.

  • for any identified abnormal distribution, a lesion-by-lesion comparison to the conventional imaging study will be performed with lesions classified as follows:

    • A - lesion identified on the investigational imaging study but not on the conventional imaging study
    • B - matching lesions on both the investigational and conventional imaging studies
    • C - lesion identified on the conventional imaging study but not on the investigational imaging study

The clinical efficacy of 18F-PSMA-1007 will be evaluated as follows:

• a follow-up questionnaire will be sent to referring clinicians 6 months after the scan to determine if the scans were of perceived clinical benefit.

The safety of 18F-PSMA-1007 produced by Edmonton PET Centre will be evaluated in 3 ways:

  • the patients will be screened for adverse effects immediately post-injection as well as after the scan (approximately 2.5 hours after injection)
  • the patients will be provided an information sheet and contact information for self-reporting of delayed adverse events (1-7 days post injection)
  • a 6 month follow-up questionnaire will be sent to referring clinicians to determine if there were any perceived adverse events related to the injection

The diagnostic accuracy of 18F-PSMA-1007PET/CT produced by Edmonton PET Centre will be evaluated as follows:

  • All lesions categorized as "A", "B", or "C" will be compared with a reference standard to determine sensitivity and specificity on both a per lesion and per patient level
  • The reference standard will be defined a minimum of 1 year after completion of both scans based on available clinical data
  • Lesional histopathology results will be used as the reference standard when available
  • When pathology is unavailable, criteria for determining lesional positivity for metastatic disease will be based on recently published methodology (Lawhn-Heath et al., AJR 2019;213:1-8)
  • If lesion the criteria for determining lesion positivity are not met, the lesion will be considered unevaluable and will be excluded from assessment of accuracy

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
100

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 2

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

  • Canada
    • Alberta
      • Edmonton, Alberta, Canada, T6G 2B7
        • University of Alberta

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

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

14 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  1. Adult patients (≥ 18 years old) with a history of radical prostatectomy for treatment of prostate cancer, and a serum prostate specific antigen (PSA) > 0.2 µg/L
  2. Adult patients (≥ 18 years old) with a history of radiotherapy, cryotherapy, or brachytherapy for treatment of prostate cancer, and a serum PSA progressively rising to ≥ 2 µg/L (minimum two samples) OR a serum PSA doubling-time of < 9 months
  3. Adult patients (≥ 18 years old) with a history of biopsy-proven prostate cancer and high-risk features for metastatic disease prior to treatment with radical prostatectomy, radiotherapy, cryotherapy, or brachytherapy. High-risk features include a Gleason score > 7, serum PSA > 20 µg/L, OR minimum clinical T-stage T2c.

Exclusion Criteria:

  1. Unable to obtain consent
  2. Weight >225 kg (weight limitation of PET/CT scanner)
  3. Unable to lie flat for 30 minutes to complete the PET-CT imaging session
  4. Lack of intravenous access
  5. Both CT scan of the chest, abdomen, and pelvis and 99mTc-MDP bone scan within 3 months
  6. History of allergic reaction to 18F-PSMA-1007 or 99mTc-MDP

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

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: 18F-PSMA-1007 PET/CT scan
Single Arm study - all enrolled patients will undergo an experimental 18F-PSMA-1007 PET/CT scan
Diagnostic test: 18F-PSMA-1007
18f-PSMA-1007 PET/CT scan
Other Names:
  • [18F]PSMA-1007

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Safety - immediate
Time Frame: Immediately (within 15 minutes) after 18F-PSMA-1007 injection
Incidence of tracer-emergent adverse events including allergic reaction (hives, difficulty breathing) or pain at the injection site
Immediately (within 15 minutes) after 18F-PSMA-1007 injection
Safety - post scan
Time Frame: 2.5 hours after 18F-PSMA-1007 injection
Incidence of tracer-emergent adverse events including allergic reaction (hives, difficulty breathing) or pain at the injection site
2.5 hours after 18F-PSMA-1007 injection
Safety - delayed
Time Frame: 6 months after 18F-PSMA-1007 injection
Questionnaire (open-ended) to referring physicians to document any perceived delayed adverse events related to 18F-PSMA-1007 tracer injection
6 months after 18F-PSMA-1007 injection
Biodistribution
Time Frame: Within 5 days of scan
Evaluation of whether tracer distribution is as expected based on published normal distribution and known disease
Within 5 days of scan
Diagnostic Accuracy
Time Frame: 1 year after 18F-PSMA-1007 PET/CT scan
Lesion by lesion comparison to conventional imaging (bone scan and CT scan) performed 2-10 days after the 18F-PSMA-1007 PET/CT scan. Reference standard based on lesion pathology (if available) or 1 year clinical/imaging following (using criteria published by Lawhn-Heath et al., AJR 2019;213:1-8.
1 year after 18F-PSMA-1007 PET/CT scan

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Clinical Efficacy
Time Frame: 6 months after the 18F-PSMA-1007 PET/CT scan
Questionnaire completed by referring physicians evaluating the perceived clinical effect of the 18F-PSMA-1007 PET/CT on patient management
6 months after the 18F-PSMA-1007 PET/CT scan

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
University of Alberta

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)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
August 31, 2021

Primary Completion (Estimated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
July 1, 2024

Study Completion (Estimated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
July 1, 2024

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
December 11, 2020

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
January 27, 2021

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
February 2, 2021

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
November 27, 2023

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
November 23, 2023

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
November 1, 2023

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • CC-20-0281

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

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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