SAFE Nerve Sparing Guided by Micro-ultrasound (MUS)

Robotic-Assisted Laparoscopic Prostatectomy (RALP) and SAFE (Saline Assisted Fascial Engorgement) Nerve Preservation Guided by Micro-ultrasound: A Phase III RCT

About This Trial

  • This study is testing a new surgical technique that uses high-resolution ultrasound imaging and gentle fluid injections during robotic prostate removal to better protect the nerves responsible for erections.
  • It is designed for sexually active adult men diagnosed with prostate cancer who are already scheduled to have nerve-sparing prostate surgery.
  • The goal of this research is to see if this new method helps patients safely regain their sexual function more quickly after surgery.
  • Before considering this trial, patients should know that those currently taking hormone therapy or having repeat prostate surgery cannot participate.

More Information

  • Robotic-assisted radical prostatectomy (RALP) has become the Standard of Care in the management of localized prostate cancer.
  • However, post-prostatectomy erectile dysfunction (ED) and urinary incontinence still pose a challenge that adversely affects the patient's quality of life.
  • Hydrodissection (HD) was introduced in 1987 in the medical field and it was tested for the first time during a retropubic radical prostatectomy back in 2005.
  • Since then, research has indicated an improvement in erectile function results, presumably because of a less traumatic neural dissection and a decreased risk of neuropraxia.
  • In an effort to achieve a balance between oncological excision and functional preservation, prostate surgery is evolving to incorporate intraoperative real-time evaluation of extracapsular extension.
  • Recently, a micro-ultrasound operating at 29 MHz has been introduced.
  • It provides a resolution down to 70 μ to assess the glandular pattern and cellular density of the prostatic tissue.
  • Given the experience in more than a thousand cases with this technology, and the growing literature showing promising results in the detection and staging of prostate cancer; the researchers decided to implement this tool as guidance for hydrodissection of the layers of the lateral prostatic fascia.
  • Robotic-Assisted Laparoscopic Prostatectomy and SAFE (Saline assisted fascial engorgement) nerve preservation guided by Microultrasound (MUS) is a prospective randomized controlled trial designed to evaluate the impact of normal saline solution hydrodissection (HD) on erectile function outcomes after RALP.
  • This innovative approach consists of a transrectal ultrasound-guided HD using a high-resolution Microultrasound (MUS) (ExactVu micro-ultrasound, Exact Imaging, Markham, Canada).
  • The technique will be applied to those patients who undergo grade 1, 2, or 3 NS approach taking into account the grading system proposed by Tewari et al.
  • The hypothesis is that the SAFE technique could minimize the risk of a traumatic neurovascular bundle dissection while assessing the prostatic capsule integrity with a high-resolution MUS.
  • The researchers also hypothesize that the use of SAFE along with RALP will optimize the post-surgery recovery of erectile function.

Who Can Enroll

  • Age Range: 18 years and older
  • Gender: Male
  • Who This Trial is For: This study is testing a new surgical technique that uses high-resolution ultrasound imaging and gentle fluid injections during robotic prostate removal to better protect the nerves responsible for erections.

Study Details

  • Start Date: November 14, 2023
  • Lead Sponsor: Icahn School of Medicine at Mount Sinai
Full Eligibility Criteria

Inclusion Criteria

  • Age > 18 years at the time of consent.
  • Men who are potent (SHIM ≥ 17) and sexually active, who are planned to undergo a grade 1, 2, or 3 nerve-sparing approaches, as per the grading system during RALP.
  • Ability to understand and the willingness to sign a written informed consent.

Exclusion Criteria

  • Subjects who are candidates for salvage RALP
  • Subjects on androgen deprivation therapy (ADT)
  • Subjects in whom PDE5 inhibitors are contraindicated

Treatments

  • Procedure: RALP (Robotic-assisted radical prostatectomy)
  • Drug: SAFE (Saline assisted fascial engorgement)
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