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Prostate CancerPhase 2NCT03429244

PSMA-PET for Biopsy and Treatment Guidance in Primary Prostate Cancer

A Phase 2 study testing 68Ga-PSMA-11 PET-MRI in people with Prostate Cancer, run by Indiana University at 4 sites in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The overall objective of this Early Phase Clinical Trial is to begin defining the accuracy of 68Ga-PSMA-11 for detecting the location and size of clinically significant prostate cancer lesions in low and intermediate risk disease. Read more about this study

Who is it for?
Ages 18 years and older, men only
Conditions the study is for
Prostate Cancer
What is being tested?
68Ga-PSMA-11 PET-MRI
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
36 participants
Where
4 sitesUnited States
Study dates
15 Apr 2019to 1 May 2022
Phase
Phase 2
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • Men only
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • ≥ 18 years of age
  • Must provide written informed consent
  • Presence of low or intermediate risk prostate cancer or at risk of having intermediate risk cancer
  • Intermediate risk prostate cancer: i. Grade group 2 = 3 + 4, or ii. Grade group 3 = 4 + 3 b. At Risk of intermediate risk prostate cancer: i. 4K score ≥ 20%, or ii. Select MDx ≥ 20%, or iii. PSA Density ≥ 0.15 iv. Grade group 1= 3+3 (iv. Note: Where multiple cancer lesions are present on biopsy, it is allowable to have Gleason 8 or 9 cancer lesions if they are in addition to the intermediate risk cancer as described above.)
  • Scheduled for MRI or has recently completed SOC MRI (within 6 months) for further biopsy, or surgical removal, or focal therapy.
  • Willing and able to lie still for approximately 50 minutes in an enclosed space for the CT.

Who cannot join

  • Participation in another investigational trial involving research exposure to ionizing radiation concurrently or within 30 days.
  • Does not meet safety criteria for MRI scan (e.g. metal implant that is not allowed).
  • Significant acute or chronic medical, neurologic, or psychiatric illness in the subject that, in the judgment of the Principal Investigator, could compromise subject safety, limit the subject's ability to complete the study, and/or compromise the objectives of the study.

Trial locations and contacts

4 sites in 1 country.

United States4 sites
  • Indiana University Health North Hospital

    Carmel, Indiana, 46032

  • Indiana University Health Hospital

    Indianapolis, Indiana, 46202

  • Indiana University Health Methodist Hospital

    Indianapolis, Indiana, 46202

  • Indiana University Melvin and Bren Simon Cancer Center

    Indianapolis, Indiana, 46202

Other trials in United States

About this study

The overall objective of this Early Phase Clinical Trial is to begin defining the accuracy of 68Ga-PSMA-11 for detecting the location and size of clinically significant prostate cancer lesions in low and intermediate risk disease.

A molecularly-targeted probe (68Ga-PSMA-11), coupled with an advanced clinical imaging system (Siemens Biograph VisionPET-CT), will improve accuracy during biopsy and staging. We propose detailed intra-lesion whole-mount pathologic analysis as the gold standard for critically assessing PSMA PET accuracy in patients undergoing surgery, and blinded PSMA PET-CT comparison with standard multi-parametric MRI (mpMRI) for patients having biopsy on active surveillance. This intensive testing of the accuracy and value of PSMA-based tracers requires our unique collaboration of surgeons, radiologists, pathologists, and imaging scientists with decades of experience and innovation.

Read the detailed description

This is a prospective, single arm, phase 2 clinical trial. This patient population will have low (1 = Gleason 3 + 3) or intermediate risk (2 = 3 + 4; 3 = 4 + 3) prostate cancer. It will also enroll those who are at high risk of significant prostate cancer (4Kscore >20%, SelectMDx >20%, PSA density >0.15). Patients will be scheduled for magnetic resonance imaging (MRI) as part of routine care for either surgical planning or for further biopsy. Following the informed consent process, patients who enroll in the study will receive a PSMA positron emission tomography (PET) study along with their standard of care (SOC) MRI on an integrated PET-MRI. Registration of PET and MRI will be done using software to generate the PET-MRI images. Patients receiving SOC MRI guided biopsy will receive additional PET guided biopsies as indicated in a single session. The sensitivity and specificity will be evaluated along with the ability of the tracer to inform the treatment planning. Patients receiving surgical removal of the prostate will have a slice-by-slice whole mount analysis to assess the sensitivity and specificity the PSMA PET.

Primary Objectives Define the accuracy of 68Ga-PSMA-11 PET-CT for detecting the clinically significant prostate cancer lesion.

Secondary Objectives Evaluate how knowledge of the PSMA-PET might inform treatment planning.

Exploratory Objectives Generate pilot data for future larger clinical trials

Conditions
Prostate Cancer
Being tested
68Ga-PSMA-11 PET-MRI
Medical subject headings
Prostatic Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • 68Ga-PSMA-11 PET-MRIDiagnostic test

    Patients will undergo injection of 68Ga-PSMA-11 at the time of pre-treatment MRI scan and followed until biopsy and/or surgical resection.

Study groups in NCT03429244
Study groupRoleWhat they receive
Prostate cancer- men being treated with radical prostatectomyExperimentalMen being treated for prostate cancer with radical prostatectromy were enrolled in this arm.
Receives: Diagnostic Test: 68Ga-PSMA-11 PET-MRI
Prostate cancer- men undergoing cancer screening or active surveillanceExperimentalMen undergoing cancer screening or active surveillance were enrolled in this arm.
Receives: Diagnostic Test: 68Ga-PSMA-11 PET-MRI
Prostate cancer- focal therapyExperimentalMen undergoing focal therapy with high intensity focused ultrasound are in this group.
Receives: Diagnostic Test: 68Ga-PSMA-11 PET-MRI

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Diagnostic Accuracy of PSMA PET

    Sensitivity and specificity for EPE using whole-mount analysis or biopsy pathology. EPE is extra-prostatic extension which means the cancer extends beyond the boundary of the prostate into adjacent muscle or fatty tissue.

    Measured: 60 days

Secondary outcomes (1)
  1. Impact of PSMA PET-CT on Treatment Plan for Surgery or Biopsy

    Does the PSMA-PET change the treatment or biopsy decision. The surgeon will look at imaging prior to a procedure (prostatectomy, HIFU, or biopsy) to see if it informs the procedure steps. Does the imaging add new information about the cancer that could alter the biopsy or treatment? PSMA-PET scans were obtained in 3 different contexts as listed below (prior to prostate removal, screening for cancer or on active surveillance, and prior to focal therapy). We calculate the percentage of cases that had the treatment or followup plan altered by the investigational imaging agent.

    For example, if the PET imaging showed cancer was organ confined, then the surgeon may elect to increase the nerve sparing. For the active surveillance group, if this PET imaging showed a new lesion in the prostate, when compared to ultrasound or MRI, then the biopsy may have been altered to target this new lesion. For focal therapy, the treatment could be expanded to ensure any new PET lesions are covered.

    Measured: 60 days

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted12 Feb 2018
  2. Study start15 Apr 2019
  3. Primary completion1 May 2022
  4. Study completion1 May 2022

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Diagnosis
Allocation
Not applicable
Intervention model
Single group
Model description
68Ga-PSMA-11 PET will be performed and we will study how the knowledge of the results helps inform treatment decisions.
Masking
None (open label)
Enrolment
36 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03429244
Sponsor's protocol ID
IUSCC-0658
Other IDs
1802085219
Status last verified
Apr 2023
First submitted
5 Feb 2018
Last updated
8 May 2023
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
Undecided: For multi-institutional projects with data sharing agreement.

Publications

  • Bahler CD, Green MA, Tann MA, Swensson JK, Collins K, Alexoff D, Kung H, Brocken E, Mathias CJ, Cheng L, Hutchins GD, Koch MO. Assessing extra-prostatic extension for surgical guidance in prostate cancer: Comparing two PSMA-PET tracers with the standard-of-care. Urol Oncol. 2023 Jan;41(1):48.e1-48.e9. doi: 10.1016/j.urolonc.2022.10.003. Epub 2022 Nov 1.

    PubMed 36333187

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing 68Ga-PSMA-11 PET-MRI in people with Prostate Cancer, run by Indiana University at 4 sites in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 6 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 8 May 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 4 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 8 May 2023). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Diagnostic Accuracy of PSMA PET (time frame: 60 days). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03429244, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 8 May 2023.

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