- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04399824
Focal Radiation Therapy for the Treatment of Low or Intermediate-Risk Prostate Cancer
Focal Radiation Therapy (FRaT) Trial in Patients With Low/Intermediate-Risk Prostate Cancer
Study Overview
Status
Conditions
Detailed Description
PRIMARY OBJECTIVES:
I. Evaluate biochemical progression free survival (bPFS) using the Phoenix definition.
II. Changes in quality of life. IIa. Prostate-Quality of Life (PR-QOL). IIb. Expanded Prostate Cancer Index Composite (EPIC).
SECONDARY OBJECTIVES:
I. Prostate-specific antigen (PSA) response at 3, 6, 12, and 24 months. II. Clinical progression free survival. IIa. Including phoenix definition, local progression by Response Evaluation Criteria in Solid Tumors (RECIST), regional progression, distant metastasis, or death.
III. Distant metastasis free survival. IV. Development of castration-resistant disease. V. Overall survival.
OUTLINE: Patients are assigned to 1 of 2 arms.
ARM I: Patients undergo SBRT in 5 fractions over 14 days in the absence of disease progression or unacceptable toxicity.
ARM II: Patients undergo HDR brachytherapy on day 1 and a second fraction within 14 days in the absence of disease progression or unacceptable toxicity.
After completion of study treatment, patients are followed up for 6 weeks, every 3 months for up to 24 months, every 6 months for up to 60 months, and then every 8-12 months until 120 months.
Study Type
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
California
-
Los Angeles, California, United States, 90095
- UCLA / Jonsson Comprehensive Cancer Center
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
Histologically confirmed diagnosis of prostate adenocarcinoma within 90 days prior to registration via systematic biopsy and with the following low/intermediate-risk features:
- cT1c - T2b
- PSA =< 15
- < 50% cores positive
- Gleason score (GS) =< 7 (3+4 and 4+3 included)
- Multiparametric magnetic resonance imaging (MRI) (mp-MRI) confirmed lesion(s) with only one lobe involvement of the prostate
- Unilateral disease on systematic biopsy
No distant or locally advanced disease on standard staging exams as indicated
- Bone scan and abdominopelvic computed tomography (CT)/MRI OR
- Prostate specific membrane antigen (PSMA) positron emission tomography (PET)
- Eastern Cooperative Oncology Group (ECOG)/Zubrod performance status 0/1 within 60 days prior to enrollment
Exclusion Criteria:
- Gleason score >= 8
- Gross extracapsular extension
- Seminal vesicle invasion
- Radiographic nodal or distant metastatic disease
- Androgen deprivation therapy within 90 days of enrollment
- Lesion(s) comprising > 40% of total prostate volume
- Lesion < 0.5 cm from urethra
- Prior radical prostatectomy
- Prior radiotherapy to the pelvis
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Arm I (SBRT)
Patients undergo SBRT in 5 fractions over 14 days in the absence of disease progression or unacceptable toxicity.
|
Ancillary studies
Other Names:
Ancillary studies
Undergo SBRT
Other Names:
|
Experimental: Arm II (HDR brachytherapy)
Patients undergo HDR brachytherapy on day 1 and a second fraction within 14 days in the absence of disease progression or unacceptable toxicity.
|
Ancillary studies
Other Names:
Ancillary studies
Undergo HDR brachytherapy
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Biochemical progression free survival
Time Frame: At 5 years
|
Will be assessed using the Phoenix definition and obtained via Kaplan-Meier analysis to provide an overview of efficacy for focal radiation therapy.
|
At 5 years
|
Incidence of adverse events
Time Frame: Up to 120 months (10 years)
|
Will be assessed using National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events version 5.0.
Will be defined as the percentage of patients who encounter adverse events and calculated to indicate the toxicity level of focal radiation therapy.
|
Up to 120 months (10 years)
|
Change in quality of life
Time Frame: Baseline up to 120 months
|
Will be assessed using Prostate-Quality of Life and Expanded Prostate Cancer Index Composite.
The change of the two scores will be assessed via two-sided paired t-test.
|
Baseline up to 120 months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Prostate-specific antigen (PSA) response
Time Frame: At 3, 6, 12, and 24 months
|
PSA response of each patient at 3, 6, 12, and 24 months will be collected and the PSA changes from baseline PSA to each time point will be evaluated via two-sided paired t-test.
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At 3, 6, 12, and 24 months
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Clinical progression free survival
Time Frame: At 5 years
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At 5 years
|
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Distant metastasis free survival
Time Frame: At 5 years
|
Will be obtained via Kaplan-Meier analysis to provide an overview of efficacy for focal radiation therapy.
|
At 5 years
|
Development of castration-resistant disease
Time Frame: Up to 120 months (10 years)
|
Defined as clinical/biochemical progression of prostate cancer with testosterone <40 ng/dl [nanograms (ng) per deciliter (dL)]
|
Up to 120 months (10 years)
|
Overall survival
Time Frame: At 5 years
|
Will be obtained via Kaplan-Meier analysis to provide an overview of efficacy for focal radiation therapy.
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At 5 years
|
Collaborators and Investigators
Investigators
- Principal Investigator: Alan C Lee, UCLA / Jonsson Comprehensive Cancer Center
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 20-000051 (Other Identifier: UCLA / Jonsson Comprehensive Cancer Center)
- NCI-2020-01464 (Registry Identifier: CTRP (Clinical Trial Reporting Program))
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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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