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Safety and Efficacy Study of Dose-escalated Hypofractionated Radiotherapy For Prostate Cancer

Phase 1
Completed
Conditions
Prostate Cancer
Interventions
Radiation: Hypofractionated radiotherapy
Registration Number
NCT01146340
Lead Sponsor
Sunnybrook Health Sciences Centre
Brief Summary

The purpose of this study is to determine the safety and efficacy of a short course of radiotherapy (40 Gy / 5 fractions / 29 days) for the treatment of low- and intermediate-risk prostate cancer.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
Male
Target Recruitment
30
Inclusion Criteria
  • Men >18 years
  • Histologically confirmed prostate adenocarcinoma
  • Low or low-intermediate risk prostate cancer, defined as Clinical stage T1-2b, Gleason Score <=6, and PSA <15 ng/mL, OR Clinical stage T1-2b, Gleason Score 7, and PSA <=10 ng/mL
Exclusion Criteria
  • Prior pelvic radiotherapy
  • Anticoagulation medication (if unsafe to discontinue for gold seed insertion)
  • Diagnosis of bleeding diathesis
  • Presence of a hip prosthesis
  • Pelvic girth >40cm - Large prostate (>90cm3) on imaging
  • Severe lower urinary tract symptoms (International Prostate Symptom Score >19 or nocturia >3)

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
SBRTHypofractionated radiotherapySBRT 40 Gy in 5 fractions over 29 days delivered using step and shoot IGRT
Primary Outcome Measures
NameTimeMethod
Incidence of grade 3+ rectal toxicityAcute period (<3 months)

Common Terminology Criteria for Adverse Events (CTCAE) v3.0

Secondary Outcome Measures
NameTimeMethod
Quality of Life5 years

Expanded Prostate Cancer Index Composite (EPIC)

Incidence of grade 3+ rectal toxicityLate (>6 months)

Common Terminology Criteria for Adverse Events (CTCAE) v3.0

Incidence of grade 3+ urinary toxicityAcute (<3 months) and Late (>6 months)

Common Terminology Criteria for Adverse Events (CTCAE) v3.0

Biochemical (ie. prostate specific antigen) disease free survival5 year

Trial Locations

Locations (1)

Sunnybrook Health Sciences Centre

🇨🇦

Toronto, Ontario, Canada

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