- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05438563
MRI-guided Transurethral Urethral Ultrasound Ablation for the Treatment of Intermediate Grade Prostate Cancer
Focal Prostate Ablation for Intermediate Grade Cancer Utilizing TULSA Profound System
Study Overview
Status
Intervention / Treatment
- Other: Quality-of-Life Assessment
- Other: Questionnaire Administration
- Procedure: Biopsy
- Procedure: Multiparametric Magnetic Resonance Imaging
- Procedure: MRI-Guided Transurethral Ultrasound Ablation
- Procedure: Cystoscopy
- Procedure: Bone Scan
- Procedure: PSMA PET Scan
- Procedure: Digital Rectal Examination
Detailed Description
PRIMARY OBJECTIVE:
I. To perform the TULSA procedure for safety and efficacy outcomes in men aged 45 to 80 years with biopsy-confirmed, National Comprehensive Cancer Network (NCCN) intermediate-risk prostate cancer.
SECONDARY OBJECTIVE:
I. To assess patient-reported metrics for quality of life (QOL). II. To assess return to normal activity. III. Compare economic benefit as noted from Expanded Prostate Cancer Index Composite (EPIC) questionnaire.
OUTLINE:
Patients undergo MRI-guided TULSA. Patients may also undergo digital rectal exam (DRE), cystoscopy, biopsy, bone scan, prostate specific membrane antigen (PSMA) positron emission tomography (PET), and/or multiparametric MRI (mpMRI) at screening.
After completion of study treatment, patients are followed at 3, 6, 9, 12, 15, 18, 21 and 24 months.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Minnesota
-
Rochester, Minnesota, United States, 55905
- Recruiting
- Mayo Clinic in Rochester
-
Contact:
- Clinical Trial Referral Office
- Phone Number: 855-776-0015
- Email: mayocliniccancerstudies@mayo.edu
-
Principal Investigator:
- David A. Woodrum, M.D., Ph.D.
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Male
- Age 45-80 years, with > 10 years life expectancy
- Biopsy-confirmed, NCCN (favorable Gleason grade [GG2] and unfavorable GG3) intermediate-risk prostate cancer
- Stage =< T2c, N0, M0
- International Society of Urological Pathology (ISUP) grade group 2 or 3 disease on transrectal ultrasonography (TRUS-guided) biopsy (minimum 8 cores, combination of systematic and MRI fusion-guided) or in-bore biopsy (minimum 3 cores from each Prostate Imaging-Reporting and Data System [PI-RADS] version [v]2 category >= 3 lesion). Biopsy reported within 12 months of baseline visit, with minimum 6-week interval between biopsy and baseline
- Prostate specific antigen (PSA) =< 20 ng/mL reported within 3 months of baseline
- Treatment naive
- Planned ablation volume < 3.0 cm axial radius from the urethra on mpMRI acquired within 6 months of baseline
Exclusion Criteria:
- Inability to undergo MRI or general anaesthesia
- Suspected tumour > 30 mm from the prostatic urethra or < 14 mm from the prostatic urethra
Prostate calcifications > 3 mm in maximum extent obstructing ablation of tumor on low-dose pelvic computed tomography (CT)
- Criteria subject to additional review and approval by sponsor. Alternatively, prospective TRUS to query calcifications or susceptibility-weighted MRI if available may be used to assess calcification. Imaging for calcification screening must be dated within 1 year of baseline visit
- Unresolved urinary tract infection or prostatitis
- History of proctitis, bladder stones, hematuria, history of acute urinary retention, severe neurogenic bladder
- Artificial urinary sphincter, penile implant or intraprostatic implant
- Less than 10 years life expectancy
- Patients who are otherwise not deemed candidates for radical prostatectomy (RP)
- Inability or unwillingness to provide informed consent
- History of anal or rectal fibrosis or stenosis, or urethral stenosis, or other abnormality challenging insertion of devices
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Treatment (MRI-guided TULSA)
Patients undergo MRI-guided TULSA.
Patients may also undergo DRE, cystoscopy, biopsy, bone scan, PSMA PET, and/or mpMRI at screening.
|
Ancillary studies
Other Names:
Ancillary studies
Undergo biopsy
Other Names:
Undergo mpMRI
Other Names:
Undergo MRI-Guided TULSA
Other Names:
Undergo cystoscopy
Other Names:
Undergo bone scan
Other Names:
Undergo PSMA PET
Other Names:
Undergo DRE
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Proportion of patients free from treatment failure
Time Frame: At 24 months post-treatment
|
Failure is defined as: delivery of any additional intervention for prostate cancer (local or systemic, including adjuvant therapy); or metastatic disease; or prostate cancer-specific death.
|
At 24 months post-treatment
|
Proportion of patients who maintain both urinary continence and erectile potency
Time Frame: At 12 months
|
Continence is defined as 'pad-free' (0 pads/day), and potency is defined as erection firmness sufficient for penetration (Expanded Prostate Cancer Index Composite [EPIC]).
Two-sided, 95% Pearson-Clopper confidence interval (CI) will be calculated for each intervention arm separately, and the difference in safety outcomes, along with exact 95% two-sided CI will be calculated.
|
At 12 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Biochemical failure
Time Frame: Up to 24 months
|
In the absence of a validated threshold for biochemical failure in the setting of ablative therapies, the Phoenix criteria will be adopted for the transurethral ultrasound ablation (TULSA) procedure (nadir + 2 ng/mL).
Prostate-specific antigen (PSA) is measured at baseline/procedure, 3, 6, 9, 12, 15, 18, 21, and 24 months.
It's measured using Scale Grade Group 1, 2, 3, and 4.
|
Up to 24 months
|
Histologic failure
Time Frame: At 12 months
|
The proportion of patients with clinically significant disease on targeted +/- systematic biopsy at 12 months.
Clinically significant disease is defined as Gleason grade group 2 or higher.
It is measured using scale Grade Group 1, 2, 3, and 4.
|
At 12 months
|
Multiparametric magnetic resonance imaging (mpMRI) Prostate Imaging and Reporting and Data System (PI-RADS) version (v)2 score for each visible lesion
Time Frame: At 24 months post-treatment
|
These data will also be collected at 24 months post-initial treatment, for patients who receive repeat TULSA procedure.
Findings from for-cause mpMRI will also be captured using Pi-Rads 1-5, 1 being most likely not cancer to 5 being very suspicious.
|
At 24 months post-treatment
|
Total prostate volume
Time Frame: At 24 months post-treatment
|
These data will also be collected at 24 months post-initial treatment, for patients who receive repeat TULSA procedure.
Findings from for-cause mpMRI will also be captured.
|
At 24 months post-treatment
|
Salvage-free survival
Time Frame: Up to 24 months
|
Will be estimated using the Kaplan-Meier method.
|
Up to 24 months
|
Biochemical failure-free survival
Time Frame: Up to 24 months
|
Will be estimated using the Kaplan-Meier method.
|
Up to 24 months
|
Histologic failure-free survival
Time Frame: Up to 24 months
|
Will be estimated using the Kaplan-Meier method.
|
Up to 24 months
|
Metastasis-free survival
Time Frame: Up to 24 months
|
Will be estimated using the Kaplan-Meier method.
|
Up to 24 months
|
Prostate cancer-specific survival
Time Frame: Up to 24 months
|
Will be estimated using the Kaplan-Meier method.
|
Up to 24 months
|
Overall survival
Time Frame: Up to 24 months
|
Will be estimated using the Kaplan-Meier method.
|
Up to 24 months
|
Change in quality of life
Time Frame: Baseline up to 24 months
|
Change from baseline in the EPIC questions 1-7 domains and in the visual analog score will be measured at baseline, 6, 12, 18, and 24 months using Scale Grade Group 1, 2, 3, and 4.
|
Baseline up to 24 months
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Change in patient-reported genitourinary function
Time Frame: Baseline up to 24 months
|
Change from baseline in the EPIC questions 8-21 will be measured using Scale Grade Group 1, 2, 3, and 4.
|
Baseline up to 24 months
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: David A Woodrum, M.D., Ph.D., Mayo Clinic in Rochester
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 22-001336 (Mayo Clinic in Rochester)
- NCI-2022-03567 (Registry Identifier: CTRP (Clinical Trial Reporting Program))
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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