MR/TRUS Fusion Guided Prostate Biopsy - An Improved Way to Detect and Quantify Prostate Cancer

  • STATUS
    Recruiting
  • End date
    Jan 15, 2025
  • participants needed
    1586
  • sponsor
    Ardeshir Rastinehad
Updated on 22 March 2022

Summary

This research study is designed to determine if targeted Magnetic Resonance Imaging (MRI) Ultrasound (US) fusion biopsy is better than the standard of care ultrasound guided biopsy alone in diagnosing subjects with clinically significant prostate cancer with MRI visible lesions. This study will consist of comparing the standard of care (ultrasound guided prostate biopsy) with the protocol biopsy which consists of an ultrasound guided prostate biopsy and a MRI/US fusion tracked prostate biopsy. There are two biopsy approaches we are testing.

Patients will have a choice to be enrolled into the transrectal (TRUS) or transperineal (TP) arms at their discretion.

Description

The efficacy of targeting lesions for ultrasound-guided biopsy, surgery,or ablation may be limited by the visibility of a target during the procedure. The successful outcome of the intervention depends upon accurate device placement.

Historically, prostate cancer was diagnosed by finger guided trans-rectal prostate biopsies. However, with the advent of PSA screening and improvements in ultrasonography, ultrasound guided prostate biopsy has become the standard of care to screen and diagnose men with prostate cancer. A standard 12-14 core prostate biopsy is now common practice, detecting cancer in 27% to 44% of patients in patients with an elevated serum PSA.

Initially, prostate MR imaging was not considered for routine clinical practice. However, the addition of an endorectal-coil probe and a 3 Tesla magnet has improved its diagnostic utility. Currently, most mpMRI are done without the use of an endo-rectal coil at 3Tesla. The MRI is able to evaluate the entire prostate (transrectal ultrasound images are overlaid on a previously obtained prostate MRI, combined with an electromagnetic tracking system) prior to biopsy and allows the physician to target specific areas of the prostate that are suspicious for cancer. This contrasts with the typical US guided approach which samples regions of the prostate in a standard fashion.

This study will consist of comparison of the standard of care prostate biopsy with the protocol biopsy which consists of a US guided prostate biopsy and a MR/US fusion tracked prostate biopsy in patients undergoing the transrectal (TR) or transperineal (TP) biopsy approaches. The researchers are interested in learning which procedure is more useful in obtaining a clearer picture of the prostate which will in turn provide a better way of finding abnormalities. Each patient will act as their own control.

Details
Condition Prostate Disease, Elevated Prostate Specific Antigen, Family History of Prostate Cancer, Positive Digital Rectal Exam, Prostate Cancer
Treatment Prostate Biopsy, MR US Fusion Guided Prostate Biopsy, MR/TRUS Fusion Guided Prostate Biopsy
Clinical Study IdentifierNCT04599218
SponsorArdeshir Rastinehad
Last Modified on22 March 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

All patients must have a pre-operative MRI performed in accordance with Northwell/NIH MR Prostate imaging guidelines or equivalent
Age greater than 18 years
No serious concurrent medical illness that would preclude the patient from making a rational informed decision on participation
The ability to understand willingness to sign a written informed consent form, and to comply with the protocol. If in question, an ethics consult will be obtained
Ability to tolerate sedation and or general anesthesia if required
PSA >1.8 or Abnormal digital rectal exam or current recommendations or biopsy from the American Urological Association
Pre-Biopsy prostate MRI as described above, showing targetable lesions within 4 months of biopsy
Able to tolerate an ultrasound guided biopsy

Exclusion Criteria

Patients with an altered mental status that precludes understanding or consenting for the biopsy procedure will be excluded from this study
Patients unlikely able to hold reasonably still on a procedure table for the length of the procedure
Patients with pacemakers or automatic implantable cardiac defibrillators (contraindications to MRI)
Patients with uncorrectable coagulopathies
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