Could less lymph node surgery be better for High-Risk prostate cancer?
NCT ID NCT07580196
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at men with high-risk prostate cancer that appears on only one side of the prostate. During robotic surgery to remove the prostate, doctors will either remove lymph nodes from both sides of the pelvis or just the side with cancer. The goal is to see if removing fewer lymph nodes reduces side effects and recovery time without raising the risk of cancer coming back. About 820 men will take part.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 820 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2026
- Expected to finish
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Dec 2030
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Male participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Male patients aged 18 years or older * Histologically confirmed unilateral high-risk localized prostate cancer, defined by at least one of the following: ISUP Grade Group 4 or 5; suspicion of at least cT3a disease on multiparametric MRI and/or PSMA PET; or PSA greater than or equal to 20 ng/mL with a unilateral index lesion * Unilateral features of the index lesion defined by biopsy, multiparametric MRI, and PSMA PET * No PSMA PET-positive pelvic lymph nodes contralateral to the dominant side of the prostate cancer * No significant contralateral PSMA uptake on the non-dominant side, defined as lesions with PRIMARY score 3 to 5 * No contralateral index lesion on multiparametric MRI subsequently confirmed by prostate biopsy * No high-risk histology on the side contralateral to the dominant lesion, including ISUP Grade Group greater than 3 or unconventional prostate cancer histology * No frank extracapsular invasion or seminal vesicle invasion on the contralateral side * Up to two positive systematic cores with unfavorable intermediate-risk disease or up to four with favorable intermediate-risk disease are allowed on the contralateral side * A maximum of two pelvic PSMA-positive lymph nodes allowed on the dominant side * Clinically localized disease, defined as less than cT4 on multiparametric MRI and no distant metastases, including no retroperitoneal lymph nodes on PSMA PET * Life expectancy greater than 10 years according to physician judgment * Scheduled for robot-assisted radical prostatectomy and fit for surgery * Written informed consent provided Exclusion Criteria: * Any prostate cancer treatment prior to prostatectomy, including androgen deprivation therapy, neoadjuvant chemotherapy, radiotherapy, or focal ablative therapy * Prior active treatment for prostate cancer * Contralateral ISUP Grade Group 4 to 5 prostate cancer * Contralateral ISUP Grade Group 2 in more than 4 positive cores or ISUP Grade Group 3 in more than 2 positive cores * Contralateral cT3 disease on multiparametric MRI * N1 or M1 disease on PSMA PET or multiparametric MRI, except for up to two positive pelvic lymph nodes on the dominant side * No systematic prostate biopsies performed, with a minimum of 10 cores, and targeted biopsies when a target lesion is present * Other active malignancy * Contraindication to multiparametric MRI and/or PSMA PET * Inability to provide written informed consent * Age younger than 18 years * ASA score greater than 3 * Any contraindication to pelvic lymph node dissection * Severe psychiatric disease * Inadequate hematologic and/or coagulation function * Active infection * Any other serious medical, psychiatric, psychological, familial, or geographic condition that, in the judgment of the investigator, may interfere with staging, treatment, follow-up, compliance, or increase treatment-related risk * Patients with prior malignancy treated with curative intent are eligible only with mandatory approval by the local multidisciplinary tumor board
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
14 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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AOU Città della Salute e della Scienza di Torino, Ospedale Molinette
RECRUITINGTorino, 10126, Italy
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ASST Grande Ospedale Metropolitano Niguarda
NOT_YET_RECRUITINGMilan, 20162, Italy
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Humanitas Clinical and Research Centre & Humanitas University
NOT_YET_RECRUITINGRozzano, Milano, 20089, Italy
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IEO, Istituto Europeo di Oncologia
NOT_YET_RECRUITINGMilan, 20141, Italy
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IFO - Istituti Fisioterapici Ospitalieri
NOT_YET_RECRUITINGRoma, 00144, Italy
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IRCCS Azienda Ospedaliero-Universitaria di Bologna, Policlinico di Sant'Orsola-Malpighi & University of Bologna
NOT_YET_RECRUITINGBologna, 40138, Italy
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IRCCS Ospedale Policlinico San Martino & University of Genoa
NOT_YET_RECRUITINGGenova, 16132, Italy
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Istituto Nazionale Tumori, IRCCS, Fondazione "G. Pascale"
NOT_YET_RECRUITINGNaples, 80131, Italy
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Policlinico Universitario Gemelli IRCCS & Università Cattolica del Sacro Cuore
NOT_YET_RECRUITINGRoma, 00168, Italy
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Università Tor Vergata / Policlinico Tor Vergata
NOT_YET_RECRUITINGRoma, 00133, Italy
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Università degli Studi di Firenze / AOU Careggi
NOT_YET_RECRUITINGFlorence, 50134, Italy
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Università degli Studi di Foggia / AO Ospedali Riuniti di Foggia
NOT_YET_RECRUITINGFoggia, 71122, Italy
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Università degli Studi di Modena / AOU Modena
NOT_YET_RECRUITINGModena, 41124, Italy
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Università degli Studi di Verona / AOU Verona
NOT_YET_RECRUITINGVerona, 37134, Italy
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- A scanner in the operating room could show surgeons exactly where prostate cancer remains
- New PET tracer aims to light up hidden cancer targets
- Can daily adaptive radiotherapy spare healthy tissue in prostate cancer?
- Can a radioactive tracer and MRI reveal prostate Cancer's true extent?
- Five-Fraction radiation plus hormone therapy tested against High-Risk prostate cancer
- Can a 10-Hour eating window fight cancer fatigue?