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NCT06865768 | NOT YET RECRUITING | Prostate Carcinoma

An Investigational Scan (18F-rhPSMA-7.3 PET-mpMRI) for Targeted Prostate Biopsy Using TRUS-MR Fusion Technique
Sponsor:

Emory University

Information provided by (Responsible Party):

David M Schuster

Brief Summary:

This phase II trial evaluates an imaging technique called 18F-rhPSMA-7.3 positron emission tomography (PET)-multiparametric (mp) magnetic resonance imaging (MRI) in identifying tumor tissue in men suspected to have prostate cancer. This clinical trial also seeks to determine if the abnormal tissue identified during imaging represents the tumor tissue removed during transrectal ultrasound-magnetic resonance imaging (TRUS-MR) fusion biopsy of the prostate. PET is an established imaging technique that utilizes small amounts of radioactivity attached to very minimal amounts of tracer, in the case of this research, 18F-rhPSMA-7.3. Because some tumors take up 18F-rhPSMA-7.3 it can be seen with PET. MRI uses radio waves and a powerful magnet linked to a computer to create detailed pictures of areas inside the body. These pictures can show the difference between normal and diseased tissue. Standard of care imaging for prostate cancer includes mpMRI, which is the combination of multiple magnetic resonance techniques, including diffusion weighted imaging, dynamic contrast-enhanced imaging, and spectroscopy, to achieve an image that will allow for better identification of tumor size and location, as well as possibly identifying tumor spread and aggressiveness. However, mpMRI may not be as effective in identifying prostate tumors that are clinically significant. A TRUS-MR biopsy involves using both ultrasound and MRI scans to locate abnormal areas in the prostate. An 18F-rhPSMA-7.3 PET-mpMRI may be more effective than mpMRI alone in identifying tumor tissue and may increase the accuracy of TRUS-MRI fusion biopsies in men suspected of having prostate cancer.

Condition or disease

Prostate Carcinoma

Intervention/treatment

Flotufolastat F-18 Gallium

Magnetic Resonance Imaging

Multiparametric Magnetic Resonance Imaging

Positron Emission Tomography

Transrectal Ultrasonography Guided Biopsy

Phase

PHASE2

Detailed Description:

PRIMARY OBJECTIVE: I. To determine if simultaneous flotufolastat F-18 gallium (18F-rhPSMA-7.3) PET-mpMR improves the detection of clinically significant prostate cancer (csPCa) in Prostate Imaging-Reporting and Data System (PI-RADS) ≥ 3 lesions. SECONDARY OBJECTIVE: I. To explore associations between radiomics textural data from the PET acquisition, mpMR imaging, or both with the presence of csPCa. OUTLINE: Patients receive 18F-rhPSMA-7.3 intravenously (IV) and, 50 minutes later, undergo PET over 30 minutes at the time of standard of care (SOC) mpMRI. Patients may also undergo standard of care TRUS-MR fusion biopsy of targets identified on SOC mpMRI.

Study Type : INTERVENTIONAL
Estimated Enrollment : 90 participants
Masking : NONE
Masking Description : MR interpreters will be blinded to PET findings
Primary Purpose : DIAGNOSTIC
Official Title : Prospective Phase II Validation of the Performance of a Prostate-Specific Membrane Antigen (PSMA) Radiotracer for Positron Emission Tomography-Multiparametric Magnetic Resonance (PET-mpMR) Imaging to Target Prostate Biopsy Via Transrectal Ultrasound (TRUS) -Magnetic Resonance Imaging (MRI) Fusion Technique
Actual Study Start Date : 2025-05-31
Estimated Primary Completion Date : 2028-12-31
Estimated Study Completion Date : 2029-12-31

Information not available for Arms and Intervention/treatment

Ages Eligible for Study: 18 Years
Sexes Eligible for Study: MALE
Accepts Healthy Volunteers:
Criteria
Inclusion Criteria
  • * Male subjects aged \> 18 years
  • * Patients with suspected prostate cancer who will have prostate biopsy for confirmation
  • * Ability to lie still for MRI scanning
  • * Patients must be able to provide written informed consent
Exclusion Criteria
  • * Documented acute prostatitis, symptomatic or severe benign prostatic hyperplasia (BPH) or urinary tract infections
  • * Patients with contraindications for MRI including implantable pace makers, cochlear implants
  • * Patients with uni- or bilateral hip prosthesis
  • * Subjects with other significant medical conditions that would create unacceptable prostate biopsy risk, compromise retention on study or compromise study related assessments
  • * Prostate biopsy within 4 weeks prior to entry on this study in which inflammation might affect PET-mpMR result
  • * Is determined by the Investigator that the patient is clinically unsuitable for the study
  • * Is incapable of understanding the language in which the information for the patient is given
  • * Participation in a concurrent clinical trial or in another trial within the past 30 days
An Investigational Scan (18F-rhPSMA-7.3 PET-mpMRI) for Targeted Prostate Biopsy Using TRUS-MR Fusion Technique

Location Details

NCT06865768

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Locations

Not yet recruiting

United States, Georgia

Emory University Hospital

Atlanta, Georgia, United States, 30322