Stereotactic Body Radiotherapy (SBRT) for Localized Prostate Cancer
Overview
- Phase
- Phase 2
- Intervention
- SBRT
- Conditions
- Prostate Cancer
- Sponsor
- VA Greater Los Angeles Healthcare System
- Enrollment
- 72
- Primary Endpoint
- progression free survival
- Status
- Active, not recruiting
- Last Updated
- 5 years ago
Overview
Brief Summary
This is a trial of 5 fraction SBRT combined with androgen deprivation therapy for patients with localized high-risk or unfavorable intermediate risk prostate cancer
Investigators
Eligibility Criteria
Inclusion Criteria
- •Histologically confirmed primary non-metastatic adenocarcinoma of the prostate
- •High-risk or unfavorable intermediate-risk as defined below:
- •High-risk localized prostate cancer, as defined by any one of the following factors:
- •Pre-biopsy or any PSA ≥20 prior to enrollment, or Gleason score 8 or higher on any biopsy core, or cT3a or higher.
- •Unfavorable intermediate risk localized prostate cancer, as defined as any of the following factors:
- •Gleason score of 4+3 or higher on any biopsy core, or Gleason score 3+4 and \>50% biopsy cores positive, or The presence of any two of the following: PSA\>10, cT2b-c, Gleason score 3+4 in any core
- •No pelvic nodal metastases (based on CT or MRI findings)
- •No distant metastases, based upon:
- •CT scan or MRI of the pelvis within 120 days prior to registration, Bone scan within 120 days prior to registration; if the bone scan is suspicious, a plain x-ray and/or MRI must be obtained to rule out metastasis
- •KPS ≥ 70 (or ECOG 0-2)
Exclusion Criteria
- •Patients with low-risk or favorable intermediate-risk prostate cancer do not meet inclusion criteria (these patients would be eligible for SBRT off-trial as a standard of care option)
- •Patients with any evidence of distant metastases
- •Hormonal therapy (LHRH agonist or oral anti-androgen) exceeding 7 months prior to registration
- •Prior cryosurgery, HIFU or brachytherapy of the prostate
- •Prior pelvic radiotherapy
- •History of Crohn's Disease or Ulcerative Colitis
Arms & Interventions
SBRT and ADT
Patients undergo SBRT to a dose of 40 Gy in 5 fractions to prostate, and optional 25 Gy in 5 fractions to SVs and Pelvic LNs, with 9 months of Androgen Deprivation Therapy
Intervention: SBRT
SBRT and ADT
Patients undergo SBRT to a dose of 40 Gy in 5 fractions to prostate, and optional 25 Gy in 5 fractions to SVs and Pelvic LNs, with 9 months of Androgen Deprivation Therapy
Intervention: Androgen deprivation therapy (ADT)
Outcomes
Primary Outcomes
progression free survival
Time Frame: 5 years
progression is defined by biochemical (phoenix definition), clinical, or radiographic