A Comparison of TULSA Procedure vs. Radical Prostatectomy in Participants With Localized Prostate Cancer
CAPTAIN
Customized Ablation of the Prostate With the TULSA Procedure Against Radical Prostatectomy Treatment: a Randomized Controlled Trial for Localized Prostate Cancer (CAPTAIN)
1 other identifier
interventional
201
3 countries
22
Brief Summary
Men with localized, intermediate risk prostate cancer will be randomized to undergo either radical prostatectomy or the TULSA procedure, with a follow-up of 10 years in this multi-centered randomized control trial. This study will determine whether the TULSA procedure is as effective and more safe compared to radical prostatectomy.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable prostate-cancer
Started Nov 2021
Longer than P75 for not_applicable prostate-cancer
22 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
August 18, 2021
CompletedFirst Posted
Study publicly available on registry
August 30, 2021
CompletedStudy Start
First participant enrolled
November 1, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 31, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
August 31, 2036
August 17, 2025
January 1, 2025
4.8 years
August 18, 2021
August 14, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Safety endpoint - proportion of patients who maintain both urinary continence and erectile potency
Compare preservation of urinary continence and erectile potency, between the 2 arms. Urinary continence is defined as 'pad-free' (0 pads/day) (per EPIC question 5) and erectile potency is defined as erection firmness sufficient for penetration (per IIEF question 2).
12 months post-treatment
Efficacy endpoint - proportion of patients free from treatment failure
Compare the proportion of patients experiencing treatment failure, between the 2 arms. 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.
36 months post-treatment
Secondary Outcomes (18)
Biochemical failure endpoint
At each visit post treatment throughout the total study follow up: 1, 3, 6, 9, 12, 18, 24 month, and 3, 4, 5, 6, 7, 8, 9, 10 years
Histological failure endpoint
At 12 month post treatment, and also at 24 months post treatment for patients who undergo a repeat TULSA
mpMRI endpoint (for Tulsa arm only)
At 12 month post treatment, and also at 24 months post treatment for patients who undergo a repeat TULSA
Salvage-free survival endpoint
At each visit post treatment throughout the total study follow up: 1, 3, 6, 9, 12, 18, 24 month, and 3, 4, 5, 6, 7, 8, 9, 10 years
Metastases-free survival endpoint
At each visit post treatment throughout the total study follow up: 1, 3, 6, 9, 12, 18, 24 month, and 3, 4, 5, 6, 7, 8, 9, 10 years
- +13 more secondary outcomes
Study Arms (2)
Radical Prostatectomy
ACTIVE COMPARATORPatients in this group will undergo Radical prostatectomy. There will be about 67 people in this group.
TULSA Procedure
EXPERIMENTALPatients in this group will undergo TULSA Procedure. There will be about 134 people in this group.
Interventions
If you are in this group, you will get the standard of care treatment used to treat this type of cancer: radical prostatectomy. You will undergo this procedure as per standard clinical practice. A radical prostatectomy is a surgical procedure that removes the prostate gland. This is done by making a surgical incision and removing the prostate gland.
If you are in this group, you will get the TULSA Procedure. The TULSA Procedure is a minimally invasive procedure that uses directional ultrasound to produce very high temperature to ablate (destroy) targeted prostate tissue. The procedure is performed in a MRI suite (the physician can see the prostate at all times throughout the procedure) and uses the TULSA-PRO system to ablate prostate tissue. The procedure combines real-time MRI with robotically-driven directional thermal ultrasound to deliver predictable, physician-prescribed ablation of the prostate. Minimally invasive here means that the procedure is performed through natural openings in your body (the urethra) instead of creating larger openings like in traditional surgery.
Eligibility Criteria
You may qualify if:
- Male
- Age 40 to 80 years, with \>10 years life expectancy
- NCCN (favorable and unfavourable) intermediate-risk prostate cancer on biopsy acquired within last 12 months
- Stage ≤cT2c, N0, M0
- ISUP Grade Group 2 or 3 disease on TRUS-guided biopsy or in-bore biopsy
- PSA ≤20ng/mL within last 3 months
- Treatment-naïve
- Planned ablation volume is \< 3 cm axial radius from urethra on mpMRI acquired within last 6 months
You may not qualify if:
- Inability to undergo MRI or general anesthesia
- Suspected tumor is \> 30 mm from the prostatic urethra
- Prostate calcifications \> 3 mm in maximum extent obstructing ablation of tumor
- 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
- Patients who are otherwise not deemed candidates for radical prostatectomy
- 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
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (22)
Arizona State Urological Institute
Chandler, Arizona, 85224, United States
East Valley Urological Center
Mesa, Arizona, 85206, United States
Investigate MD
Scottsdale, Arizona, 85255, United States
Atlantic Urology Medical Group
Long Beach, California, 90806, United States
Urology Group of Southern California
Los Angeles, California, 90017, United States
University of California, Los Angeles
Los Angeles, California, 90024, United States
Comprehensive Urology Medical Group
Los Angeles, California, 90048, United States
Alarcon Urology Center
Montebello, California, 90640, United States
Pasadena Urological Medical Group
Pasadena, California, 91101, United States
Stanford Cancer Center
Stanford, California, 94305, United States
Yale Cancer Center
New Haven, Connecticut, 06511, United States
Mayo Clinic Jacksonville
Jacksonville, Florida, 32224, United States
Sarasota Memorial Health Care System
Sarasota, Florida, 34239, United States
Indiana University
Indianapolis, Indiana, 46202, United States
Johns Hopkins School of Medicine
Baltimore, Maryland, 21287, United States
Mayo Clinic
Rochester, Minnesota, 55905, United States
Cleveland Clinic
Cleveland, Ohio, 44106, United States
The University of Texas Southwestern Medical Center
Dallas, Texas, 75390-9020, United States
The Urology Place
San Antonio, Texas, 78240, United States
Lawson Health Research Institute, London Health Sciences Centre
London, Ontario, N6C 2R5, Canada
Sunnybrook Research Institute
Toronto, Ontario, M4N 3M5, Canada
Turku University Hospital/TYKS
Turku, Southwest Finland, 20520, Finland
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 18, 2021
First Posted
August 30, 2021
Study Start
November 1, 2021
Primary Completion (Estimated)
August 31, 2026
Study Completion (Estimated)
August 31, 2036
Last Updated
August 17, 2025
Record last verified: 2025-01