PSMA-Guided Ablation of the Prostate

Recruiting now · Phase 2

Conditions studied: Prostate Cancer, Localized Prostate Carcinoma

In brief

The goal of this phase 2 multicenter randomized controlled trial is to study the accuracy of second generation prostate specific membrane antigen (PSMA) positron emission tomography (PET; utilizing 18F-PSMA-1007) compared to standard of care multiparametric MRI and MRI targeted-prostate biopsy for staging in patients diagnosed with unilateral prostate cancer who are eligible for focal therapy. The main question it aims to answer is: Can PSMA PET improve diagnostic accuracy for the primary staging of Prostate Cancer for patients undergoing focal therapy thereby reducing residual and recurrence disease? Participants who are eligible by current standard of care diagnostic workup will undergo 1:1 randomization to PSMA PET scan or no further imaging. Those diagnosed with bilateral disease by PSMA PET will be ineligible for focal therapy and be referred for radical therapy. Men with unilateral disease on PSMA PET and those randomized to no further imaging will then undergo focal therapy. All men undergoing focal therapy will receive PSMA PET, MRI, and combined targeted and systematic biopsy 12 months after ablation. The primary outcome will be the detection of Gleason Grade Group 2 or higher prostate cancer in men 12 months after hemigland ablation.

Key facts

Study ID

NCT06003556

Run by

University of Alberta

People needed

138

Starts

2024-04-02

Expected to finish

2029-02-26

Last updated by the study team

2026-06-03

Who can join

Age: 50 and older. Sex: male. Healthy volunteers: not accepted.

You may qualify if…

• Age > 50
• Clinical stage < T2b
• PSA < 15
• Combined targeted and systematic MRI-guided biopsy shows unilateral Gleason Grade Group 2 or 3 prostate cancer

You may not qualify if…

• Unable to obtain consent
• Weight >250 kg (weight limitation of scanners)
• Unable to lie flat for 30 minutes to complete the PET imaging
• Lack of intravenous access
• eGFR < 40 mL/min/1.73 m2 and/or a history of a severe reaction to CT contrast
• Prior androgen deprivation therapy or radiation therapy to prostate gland

Where it is running

• Prostate Cancer Centre — Calgary, Alberta, Canada (enrolling)
• Royal Alexandra Hospital — Edmonton, Alberta, Canada (enrolling)
• University of Alberta Hospital — Edmonton, Alberta, Canada (enrolling)
• Princess Margaret Cancer Centre — Toronto, Ontario, Canada (enrolling)

Full record on ClinicalTrials.gov

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