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NCT06651632Active, not recruiting

WATER IV Prostate Cancer

WATER IV Prostate Cancer: Aquablation Versus Radical Prostatectomy for the Treatment of Localized Prostate Cancer

Source: ClinicalTrials.gov · Last updated 4 May 2026

Brief summary (registry, in English)

This is a multicenter, prospective, randomized clinical trial that aims to assess the safety and efficacy of Aquablation Therapy in men with low-risk to intermediate to high-risk localized prostate cancer who are candidates for, or have opted for, prostatectomy. Participants will be randomized to either Aquablation Therapy or radical prostatectomy and followed up to 10 years.

Status (registry)
Active, not recruiting
Study type
Interventional
Enrollment
280 (estimated)
First submitted
18 Oct 2024
Start date
3 Feb 2025
Primary completion date
Jul 2027
Lead sponsor
PROCEPT BioRobotics
NCT number
NCT06651632

What you commit to

  • Study type: Interventional
  • Planned participants: 280
  • From 3 Feb 2025 to the primary completion date, Jul 2027
  • 37 sites in 7 countries
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Any prior or current local or systemic treatment for prostate cancer, including but not limited to surgery, radiation therapy (external or brachytherapy), tissue ablation, hormone therapy or chemotherapy.
  • Patients with previous surgical or minimally invasive treatment of benign prostatic hyperplasia within the prior 3 months of study treatment.

Other illness

  • Any condition or history of illness or surgery that may pose an additional risk to patients undergoing the Aquablation or radical prostatectomy procedure such as:
    • 5a. Medical conditions that preclude the use of anesthesia; 5b. Any condition or history of active rectal inflammatory bowel disease or other factors which might increase the risk of rectal injury (i.e. fistula formation); 5c. Patient is unable to stop anticoagulants or antiplatelet agents prior to study treatment per standard of care; 5d. Any other condition or history of infection, illness or surgery that in the opinion of the investigator might affect the outcome of the study procedure, study conduct, and study results; or pose additional risks to the patient (e.g., other cancer, active urethral stricture disease).
    • 6\. Patients who are unable to provide informed consent due to cognitive impairment, legal status (such as incarceration), or other factors limiting autonomy or unwilling or unable to follow study instructions including randomization and complete all required study visits through 10 years. This includes individuals with severe cognitive disabilities, those under legal guardianship, or those currently incarcerated.
    • 7\. Patient currently participating in other studies unless approved by Sponsor in writing.

Other

  • Evidence of lymph node, bone metastasis, extracapsular extension or seminal vesicle invasion.
  • Patient is unwilling to accept a blood transfusion if required.

Who the study is looking for

  • Biological male with age ≥ 45 years at the time of consent
  • Biopsy positive Grade Group 1-3 prostate cancer
  • Are candidates for prostatectomy or, in the case of GG1 disease, have already selected a radical therapy as their treatment.
  • Clinical Stage ≤ T2c
  • PSA ≤ 20 ng/ml
  • Prostate volume ≥25 ml

Age in the registry: 45 years to - · Sex: Male · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (37)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Centre Hospitalier de l'Université de Montréal
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MontrealCanadaUnknown status
University of Toronto
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TorontoCanadaUnknown status
Universitätsklinikum OWL der Universität Bielefeld
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BielefeldGermanyUnknown status
Hampshire Hospitals Nhs Foundation Trust
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BasingstokeUnited KingdomUnknown status
Norfolk & Norwich University Hospital
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ColneyUnited KingdomUnknown status
The Royal Marsden Hospital
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LondonUnited KingdomUnknown status
Guy's Hospital
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LondonUnited KingdomUnknown status
Royal Free Hospital
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LondonUnited KingdomUnknown status
Chinese University of Hong Kong
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ShatinHong Kong SAR ChinaUnknown status
Hospital da Cruz Vermelha
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LisbonPortugalUnknown status
National Taiwan University Hospital
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TaipeiTaiwanUnknown status
Potomac Urology
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AlexandriaUnited StatesUnknown status
Georgia Urology
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AtlantaUnited StatesUnknown status
Urology Austin
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AustinUnited StatesUnknown status
Johns Hopkins University
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BaltimoreUnited StatesUnknown status
Boulder Medical Center
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BoulderUnited StatesUnknown status
Arizona State Urological Institute
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ChandlerUnited StatesUnknown status
MUSC Hollings Cancer Center
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CharlestonUnited StatesUnknown status
University of Chicago
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ChicagoUnited StatesUnknown status
Cleveland Clinic Foundation
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ClevelandUnited StatesUnknown status
Urology Clinics of North Texas
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DallasUnited StatesUnknown status
Advanced Research
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Delray BeachUnited StatesUnknown status
Endeavor Health
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GlenviewUnited StatesUnknown status
Hackensack University Medical Center
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HackensackUnited StatesUnknown status
Mountain View Hospital
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Idaho FallsUnited StatesUnknown status
Kearney Urology Center
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KearneyUnited StatesUnknown status
University of Southern California
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Los AngelesUnited StatesUnknown status
East Valley Urology Center
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MesaUnited StatesUnknown status
University of Miami
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MiamiUnited StatesUnknown status
Tidelands Health Urology
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Murrells InletUnited StatesUnknown status
Integrated Medical Professionals, PLLC
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New YorkUnited StatesUnknown status
Kansas City Urology Care
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North Kansas CityUnited StatesUnknown status
Adult & Pediatric Urology
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OmahaUnited StatesUnknown status
University of Rochester Medical Center
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RochesterUnited StatesUnknown status
Advocate Aurora Research Institute
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SheboyganUnited StatesUnknown status
Florida Urology Partners
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TampaUnited StatesUnknown status
Trophy Point Urology
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TampaUnited StatesUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.