- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04067570
Post-Prostatectomy Linac-Based Ultrahypofractionated Radiotherapy for Patients With Localized Prostate Cancer (PLUTO)
March 17, 2020 updated by: Sunnybrook Health Sciences Centre
Post-Prostatectomy Linac-Based Ultrahypofractionated Radiotherapy for Patients With Localized Prostate Cancer: A Treatment Feasibility and Outcomes Study
Radical prostatectomy is a common treatment for localized prostate cancer.
More than 30% of men who undergo surgery will subsequently develop recurrence, particularly in patients with adverse features where the risk may be even higher.
Recurrence typically manifests as a rise in serum-level of prostate-specific antigen (PSA), referred to as biochemical recurrence.
Post-operative radiotherapy is a potentially curative option for many patients, as shown in multiple prior randomized studies.
A standard course of post-operative radiation requires 6 to 6 and half weeks of treatment, 5 days a week; however, new high-precision radiation techniques with image guidance, termed stereotactic body radiotherapy (SBRT), can deliver an equivalent or higher dose of treatment in 5 visits.
Our group, amongst others, have demonstrated in previous studies, that the new 5-treatment technique was safe, convenient and effective in patients with intact prostates.
Currently, limited data exists on this approach after prostatectomy.
This study will be one of the first to assess the side effect profile and efficacy of SBRT in patients with localized prostate cancer who are considered candidates for post-prostatectomy radiation.
Study Overview
Study Type
Interventional
Enrollment (Anticipated)
30
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 Contact
- Name: Principle Investigator
- Phone Number: 416 480 4998
- Email: chia-lin.tseng@sunnybrook.ca
Study Locations
-
-
Ontario
-
Toronto, Ontario, Canada, M4N3M5
- Recruiting
- Sunnybrook Health Sciences Centre
-
Contact:
- Chia-Lin (Eric) Tseng, MD
-
-
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 diagnosis of adenocarcinoma of the prostate
- Completed written informed consent
- Able and willing to complete self report questionnaires
- Pathologic stage T3 or T4 (without any gross residual disease), NX-0, M0, and/or +ve surgical margins, and/or a rising PSA post-radical prostatectomy on at least 2 consecutive measurements
Exclusion Criteria:
• Gross residual disease
- Histological or radiological node +ve (N1) or distant metastases (M1)
- Prior pelvic radiotherapy
- Contraindications to radical pelvic radiotherapy (e.g. connective tissue disease or inflammatory bowel disease)
- Hip prosthesis
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: SBRT post operative
Stereotactic Body Radiotherapy (SBRT) 30 Gy in 5 fractions, once weekly to prostate bed
|
Stereotactic body radiation therapy, or SBRT, is a cancer treatment that delivers extremely precise, very intense doses of radiation to cancer cells while minimizing damage to healthy tissue
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Acute genitourinary (GU) and gastrointestinal (GI) toxicities
Time Frame: Through accrual completion, up to 3 years
|
Based on Common Terminology Criteria for Adverse Events (CTCAE) v5.0
|
Through accrual completion, up to 3 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Incidence of late GU and GI toxicities (≥6 months)
Time Frame: Through accrual completion, up to 3 years
|
Using CTCAE v5.0
|
Through accrual completion, up to 3 years
|
Biochemical disease-free survival (bDFS)
Time Frame: Through study completion, up to 3 years
|
Biochemical disease-free survival (bDFS)
|
Through study completion, up to 3 years
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
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 7, 2019
Primary Completion (Anticipated)
October 1, 2024
Study Completion (Anticipated)
October 1, 2024
Study Registration Dates
First Submitted
August 21, 2019
First Submitted That Met QC Criteria
August 22, 2019
First Posted (Actual)
August 26, 2019
Study Record Updates
Last Update Posted (Actual)
March 18, 2020
Last Update Submitted That Met QC Criteria
March 17, 2020
Last Verified
March 1, 2020
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- PLUTO
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
UNDECIDED
IPD Plan Description
Undecided
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
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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