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Spots Global Cancer Trial Database for Fusion Guided Focal Laser Ablation of Prostate Cancer

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Trial Identification

Brief Title: Fusion Guided Focal Laser Ablation of Prostate Cancer

Official Title: Pilot Study of Ultrasound Guided Focal Thermal Ablation of Prostate Cancer

Study ID: NCT02759744

Study Description

Brief Summary: Background: Prostate cancer is the most common non-skin cancer in U.S. men. Treatments for early or less aggressive disease are limited. Researchers want to test a device that destroys cancerous tissue with laser energy. They want to see if using it with ultrasound is more comfortable than using it with magnetic resonance imaging (MRI). Objectives: To test a cooled laser applicator system to treat prostate cancer lesions. To see if ultrasound imaging is a practical and feasible treatment with laser ablation for focal prostate cancer treatment. Eligibility: Men at least 18 years old with prostate cancer seen on MRI that has not spread in the body. Design: Participants will be screened with standard cancer care tests. These can include physical exam, lab tests, and MRI. For the MRI, they lie in a machine that takes pictures. Participants will have a prostate biopsy. Needle samples will be taken from 12 places in the prostate. This will be guided by MRI and ultrasound, which is obtained through a coil in the rectum. Participants will stay at the clinic for 1 2 days. A cooling catheter (plastic tube) will be put in the bladder. Ultrasound will guide the laser applicator directly to the tumor. The cooling catheter will be removed. A different catheter will be put in the urethra to keep the bladder emptied. The next day, participants will have a physical exam and a PSA blood test. Participants will have 6 follow-up visits over 3 years. At each visit, they will have a physical exam and lab tests. At some visits, they will also have an MRI or other scans and a prostate biopsy.

Detailed Description: Background: * Pilot study to evaluate the feasibility of real time ultrasound imaging to guide focal thermal ablation of low risk focal prostate tumors * Prostate cancer is relatively slow growing, with doubling times for local tumors estimated at 2 to 4 years. * Recent patient series suggest that 20% to 30% of men undergoing radical prostatectomy have pathologic features in the radical prostatectomy specimen consistent with an insignificant or "indolent" cancer that poses little threat to life or health. * An NIH/NCI protocol #11-C-0158 titled MR Image guided focal laser ablation therapy of prostate cancer has treated 15 patients without major complication over the past 5 years. Out of 15 patients, 3 have had evidence of disease recurrence. This data is being prepared for publication (verbal communication with Peter Pinto, MD, principal investigator); however, it requires a very long and resource-intensive MRI imaging, which may be a barrier to broad translation to the community setting. Specialized custom and expensive MRI-compatible equipment is also required. Focal laser ablation for prostate cancer using the Medtronic-Visualase laser is FDA cleared. * Focal thermal ablation such as laser ablation or cryosurgery are standard of care therapies for prostate cancer, with cancer control comparable to that of external beam radiotherapy and brachytherapy. * NIH / NCI clinical trials have performed MRI + ultrasound (US) fusion biopsy in nearly 1500 patients, greater than 30,000 biopsies over the past 12 years. * We propose to perform ultrasound (US) guided focal thermal ablation with fusion visualization and co-display of pre-acquired MRI during the treatment of patients Objectives: - To determine the feasibility of treating biopsy-confirmed US-targetable and/or MR-visible,low to intermediate grade prostate tumor(s) using ultrasound (US) image-guided focal interstitial thermal ablation. Eligibility: * Patients must have organ confined, biopsy-confirmed, low or intermediate risk prostate cancer that is either US-targetable or MR visible or both. * Men greater than or equal to 18 years of age. Design: * Pilot study, testing feasibility of ultrasound-guided thermal ablation of focal prostate cancer. * A total of 30 patients will be enrolled to yield 20 evaluable patients.

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: MALE

Healthy Volunteers: No

Locations

National Institutes of Health Clinical Center, Bethesda, Maryland, United States

Contact Details

Name: Bradford J Wood, M.D.

Affiliation: National Institutes of Health Clinical Center (CC)

Role: PRINCIPAL_INVESTIGATOR

Useful links and downloads for this trial

Clinicaltrials.gov

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