Prospective Evaluation of Focal Brachytherapy Using Cesium-131 For Patients With Low Risk Prostate Cancer

August 23, 2022 updated by: Ronald M. Benoit, MD
The standard options for men with very low risk prostate cancer include active surveillance and the standard treatment options for low risk disease, i.e. radical prostatectomy, external beam radiotherapy, and whole gland prostate brachytherapy. The present study seeks to evaluate focal brachytherapy using the isotope Cesium 131 to treat patients with low risk prostate cancer. The goals of the study are to determine the biochemical disease free survival at five years in these patients, as well as to determine the acute and late urinary, bowel, and sexual toxicity associated with focal prostate brachytherapy using Cesium 131. Patients eligible for the study will be men with histologically confirmed adenocarcinoma of the prostate with clinical stage T1c-T2aN0M0, Gleason score ≤3+3=6, prostate specific antigen(PSA) <10 ng/ml or a PSA density ≤ 0.15 ng/cc, and ≤ 2 cores positive out of a minimum of 12 cores sampled. Additionally, patients must have a single, dominant index lesion on MRI. The study is a phase II study. Patients will be followed prospectively. Dosimetry will be evaluated post-procedure, and PSAs will be obtained every three months in year one and every six months from year two through year five. Urinary, bowel, and sexual morbidity will be assessed by patient survey prior to treatment , two weeks, after treatment, at three month intervals in year one and at six month intervals in years two through five.

Study Overview

Status

Withdrawn

Conditions

Intervention / Treatment

Study Type

Interventional

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Pennsylvania
      • Pittsburgh, Pennsylvania, United States, 15219
        • UPMC Mercy

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Genders Eligible for Study

Male

Description

Inclusion Criteria:

  • Histologically confirmed adenocarcinoma of the prostate
  • Clinical stage T1c-T2aN0M0
  • Gleason score <= 3+3=6
  • prostate specific antigen (PSA) <10 ng/ml
  • <= 2 cores positive out of a minimum of 12 cores sampled

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

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: Focal Therapy
Radiation: Focal prostate brachytherapy with Cesium-131

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
biochemical disease free survival
Time Frame: five years
five years

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Ronald M. Benoit, MD

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

November 1, 2014

Primary Completion (Actual)

July 31, 2022

Study Completion (Actual)

July 31, 2022

Study Registration Dates

First Submitted

November 5, 2014

First Submitted That Met QC Criteria

November 10, 2014

First Posted (Estimate)

November 14, 2014

Study Record Updates

Last Update Posted (Actual)

August 29, 2022

Last Update Submitted That Met QC Criteria

August 23, 2022

Last Verified

August 1, 2022

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • PRO14020322

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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