Status:

COMPLETED

Internal Radiation Therapy With or Without External-Beam Radiation Therapy in Treating Patients With Localized Prostate Cancer

Lead Sponsor:

Mayo Clinic

Collaborating Sponsors:

National Cancer Institute (NCI)

Conditions:

Prostate Cancer

Eligibility:

MALE

18-120 years

Phase:

PHASE2

Brief Summary

RATIONALE: Internal radiation uses radioactive material placed directly into or near a tumor to kill tumor cells. Specialized radiation therapy that delivers a high dose of radiation directly to the t...

Detailed Description

OBJECTIVES: Primary * Evaluate the tolerability of 2 radiotherapeutic regimens (high dose-rate brachytherapy \[HDR\] with or without image-guided intensity-modulated hypofractionated external beam r...

Eligibility Criteria

Inclusion

  • DISEASE CHARACTERISTICS:
  • Histologically confirmed adenocarcinoma of the prostate, meeting one of the following criteria:
  • Low-risk disease (T1-T2a, Gleason score ≤ 6, and PSA \< 10 ng/mL)
  • Low intermediate-risk disease (T1-T2c, Gleason score ≤ 6, and PSA \< 20 ng/mL OR T1-T2a, Gleason score 7, and PSA \< 10 ng/mL)
  • No known nodal (N0 or NX) or distant (M0 or MX) metastases
  • No pubic arch interference, as defined by either of the following:
  • Maximum transrectal ultrasound-determined anterior-posterior (z-axis) dimension \< 4.3 cm
  • No more than 25% prostate volume blocked (by pubic arch) on CT scan simulation at A10°I beam's eye view
  • Prostate planimetry volume ≤ 60 cc as determined by step-section transrectal ultrasound
  • American Urological Association voiding symptom index ≤ 12
  • Peak uroflow rate (Q\_max) ≥ 12 cc/second
  • Post-void ultrasound bladder residual volume ≤ 100 cc
  • PATIENT CHARACTERISTICS:
  • Zubrod performance status 0-1
  • Life expectancy ≥ 5 years
  • WBC \> 2,000/μL
  • Platelet count \> 100,000/μL
  • PT \< 1.5 times upper limit of normal
  • No diabetes mellitus associated with vascular ulcers or wound-healing problems
  • No blood dyscrasias
  • No inflammatory bowel disease
  • No connective tissue disorder
  • No other prior or concurrent invasive malignancy (except nonmelanoma skin cancer) or lymphomatous or hematological malignancy (except chronic lymphocytic leukemia/lymphoma) unless patient has been continually disease-free for ≥ 5 years
  • No medical or psychiatric condition that would preclude giving informed consent or complying with study treatment
  • Able to undergo anesthesia
  • PRIOR CONCURRENT THERAPY:
  • No prior transurethral resection of the prostate
  • No prior prostatic cryoablation or high-intensity focused ultrasound
  • No prior prostatectomy
  • No prior prostatic enucleation
  • No prior pelvic external beam radiotherapy
  • No prior radionuclide prostate brachytherapy
  • No prior hemi- or total hip arthroplasty
  • Neoadjuvant androgen suppression therapy allowed provided it was initiated 2-6 months prior to study entry and its total duration is ≤ 6 months
  • No concurrent anticoagulation therapy, including heparin or coumadin

Exclusion

    Key Trial Info

    Start Date :

    August 1 2008

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ACTUAL

    End Date :

    December 1 2013

    Estimated Enrollment :

    5 Patients enrolled

    Trial Details

    Trial ID

    NCT00714753

    Start Date

    August 1 2008

    End Date

    December 1 2013

    Last Update

    August 7 2019

    Active Locations (1)

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    Mayo Clinic

    Rochester, Minnesota, United States, 55905