Stereotactic Body Radiation Therapy in Treating Patients With Localized High-Risk Prostate Cancer



Status:Recruiting
Conditions:Prostate Cancer, Cancer
Therapuetic Areas:Oncology
Healthy:No
Age Range:18 - Any
Updated:3/1/2019
Start Date:January 27, 2014
End Date:January 27, 2021

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Study of Stereotactic Body Radiotherapy (SBRT) for High-Risk Localized Prostrate Cancer

This clinical trial studies stereotactic body radiation therapy in treating patients with
high-risk prostate cancer that has not spread to nearby lymph nodes or to other parts of the
body. Stereotactic body radiation therapy is a specialized radiation therapy that delivers a
single, high dose of radiation directly to the tumor and may kill more tumor cells and cause
less damage to normal tissue. Studying quality of life in patients undergoing stereotactic
body radiation therapy may help identify the long-term effects of treatment on patients with
prostate cancer.

PRIMARY OBJECTIVES:

I. To establish the efficacy of stereotactic body radiation therapy (SBRT) in patients with
high-risk localized prostate cancer compared to historical data from clinical trials.

II. To establish the safety with physician-reported outcomes after SBRT in patients with high
risk localized prostate cancer.

III. To establish the quality of life with patient-reported validated questionnaires after
SBRT in patients with high risk localized prostate cancer.

OUTLINE:

Patients undergo SBRT daily or every other day for a total of 5 fraction not exceeding 14
consecutive days. Patients may also receive androgen deprivation therapy for up to 9 months
at the discretion of the treating physician.

After completion of study treatment, patients are followed up every 4 months for 1 year,
every 6 months for 5 years, and then every 12 months thereafter.

Inclusion Criteria:

- Histologically confirmed primary non-metastatic adenocarcinoma of the prostate

- Risk-group classification into the D’Amico or National Comprehensive Cancer Network
(NCCN) ‘high-risk’ group, as defined by the presence of any one of the following
high-risk factors:

- Pre-biopsy prostate-specific antigen (PSA) >= 20

- Biopsy Gleason score 8-10

- Clinical stage T3

- No pelvic nodal metastases (based on computed tomography [CT] or magnetic resonance
imaging [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

- Karnofsky performance status (KPS) >= 70

- Ability to understand, and willingness to sign, the written informed consent

- Patient will have opted for SBRT among definitive treatment choices

Exclusion Criteria:

- Patients with any evidence of distant metastases

- Hormonal therapy (luteinizing hormone-releasing hormone [LHRH] agonist or oral
anti-androgen) exceeding 4 months prior to registration

- Prior cryosurgery, high intensity focused ultrasound (HIFU) or brachytherapy of the
prostate

- Prior pelvic radiotherapy

- History of Crohn’s disease or Ulcerative colitis
We found this trial at
2
sites
Los Angeles, California 90095
Principal Investigator: Christopher R. King
Phone: 424-259-8777
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Los Angeles, CA
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West Covina, California 91792
Principal Investigator: Kevin Lin
Phone: 626-956-8089
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West Covina, CA
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