Zapping prostate tumors without major side effects: new trial launches
NCT ID NCT06451445
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests a procedure called irreversible electroporation (IRE) using the NanoKnife system to treat intermediate-risk prostate cancer. The goal is to destroy cancer cells with fewer side effects than standard treatments like surgery or radiation. About 100 men over age 50 with localized prostate cancer will receive the treatment and be followed for 12 months to check safety and effectiveness.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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 100 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2024
- Expected to finish
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May 2033
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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50 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: 1. Is greater than 50 years of age 2. Has at least a 10-year life expectancy 3. Has histologically confirmed organ-confined prostate cancer, clinical stage ≤ T2c 4. Has a PSA ≤ 15 ng/mL or PSA density \< 0.15 ng/mL2 if PSA is \> 15 ng/mL 5. Has Gleason score 3+4 or 4+3 6. Has no evidence of extraprostatic extension by mpMRI 7. Has no evidence of seminal vesicle invasion by mpMRI 8. Physician is able to visualize prostate gland adequately on transrectal ultrasound imaging during qualifying biopsy 9. Has a transperineal or transrectal targeted prostate biopsy of MRI-visible lesions, plus 10-14 core systematic biopsy confirming Gleason = 7 in MRI target and absence of Gleason ≥ 7 outside target 10. A visible lesion on mpMRI that is accessible to Irreversible Electroporation (IRE) treatment \[Note: prostate cancer detected via systematic standard biopsy outside of the adjacent sextant location of the MRI visible lesion will meet entry criterion provided the positive core is Gleason 6; has fewer than 3 prostate biopsy fragments/cores positive\] 11. Willing and able to sign a written informed consent form. 12. Understands and accepts the obligation and is logistically able to present for all scheduled follow-up visits Exclusion Criteria: 1. Has known hypersensitivity to pancuronium bromide, atricurium or cisatricurium 2. Is unfit for anesthesia or has a contraindication for agents listed for paralysis 3. Has an active urinary tract infection (UTI) 4. Has a history of bladder neck contracture 5. Is interested in future fertility 6. Has a history (within 3 years) of inflammatory bowel disease 7. Has a concurrent major debilitating illness 8. Had active treatment for a malignancy within 3 years, including malignant melanoma, except for prostate cancer or other types of skin cancer (Note: subjects with untreated active concomitant cancers are excluded, only subjects deemed to be in remission by their cancer care provider for at least three years are eligible) 9. Has any active implanted electronic device (e.g., pacemaker) 10. Is unable or unwilling to catheterize 11. Has had any prior or current prostate cancer therapy, including: 1. Biologic therapy for prostate cancer 2. Chemotherapy for prostate cancer 3. Hormonal therapy for prostate cancer within three months of procedure 4. Radiotherapy for prostate cancer 5. Surgery for prostate cancer 12. Has had prior prostate stricture surgery, urethral stent or prostatic implants 13. Has had prior major rectal surgery (except hemorrhoids) 14. Is unfit for pelvic MRI scanning (e.g., severe claustrophobia, permanent cardiac pacemaker, metallic implants that are likely to contribute significant image artifacts, allergy or contraindication to gadolinium (to enhance MRI)
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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
1 site. 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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Princess Margaret Cancer Centre
RECRUITINGToronto, Ontario, M5G 2C4, Canada
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?