5 Fractions of Pelvic SABR With Intra Prostatic SABR (5STAR)

November 23, 2020 updated by: Andrew Loblaw
Stereotactic Ablative Radiation(SABR) 35 Gy in 5 fractions, once weekly to prostate with simultaneous intraprostatic boost to the MR detected nodule up to 50Gy + 25 Gy in 5 fractions, once weekly simultaneously to seminal vesicles (SV's) and pelvic lymph nodes + 6-18 months of ADT

Study Overview

Status

Unknown

Conditions

Intervention / Treatment

Detailed Description

SABR 25Gy / 5 fractions to pelvis; 35Gy / 5 fractions to prostate; up to 50Gy / 5 fractions to MR nodule

Study Type

Interventional

Enrollment (Anticipated)

30

Phase

  • Not Applicable

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

18 years to 99 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Male

Description

Inclusion Criteria:

  • Histologically confirmed prostate adenocarcinoma (centrally reviewed)
  • High- tier intermediate risk defined as:

PSA 10-20ng/ml AND (T2b-2c OR Gleason 7 )

• High-risk prostate cancer, defined as at least one of: T3, OR Gleason 8-10, OR PSA > 20 ng/mL

  • Willing to give informed consent to participate in this clinical trial
  • Able and willing to complete Expanded Prostate Index Composite (EPIC) questionnaire

Exclusion Criteria:

  • Prior pelvic radiotherapy
  • Contra-indication to radical prostate radiotherapy e.g. connective tissue disease or inflammatory bowel disease
  • Contraindication to prostate MRI
  • Anticoagulation medication (if unsafe to discontinue for gold seed insertion)
  • Diagnosis of bleeding diathesis
  • Large prostate with significant arch interference on TRUS after 3 months of neoadjuvant ADT.
  • Previous TURP
  • Poor baseline urinary function defined as International Prostate Symptom Score (IPSS) >20
  • Significant medical co-morbidity rendering patient unsuitable for general anesthetic
  • No evidence of castrate resistance (defined as PSA < 3 ng/ml while testosterone is < 0.7nmol/l. Patients could have been on combined androgen blockade but are excluded if this was started due to PSA progression.
  • Definitive extrapelvic nodal or distant metastatic disease on staging investigations.

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: Arm 1
Pelvic SABR with intra-prostatic SABR
Radiation: Pelvic SABR with intra-prostatic SABR
described elsewhere

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
To document the number of patients with grade 3 or higher acute urinary and/or bowel toxicity using the Common Terminology Criteria for Adverse Events (CTCAE v4.0) criteria
Time Frame: 3 months after accrual target is reached
3 months after accrual target is reached

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Andrew Loblaw

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)

October 1, 2016

Primary Completion (Actual)

September 1, 2017

Study Completion (Anticipated)

October 1, 2022

Study Registration Dates

First Submitted

September 14, 2016

First Submitted That Met QC Criteria

September 19, 2016

First Posted (Estimate)

September 22, 2016

Study Record Updates

Last Update Posted (Actual)

November 24, 2020

Last Update Submitted That Met QC Criteria

November 23, 2020

Last Verified

November 1, 2020

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 360-2016

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

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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