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A single arm, prospective Phase II study of Split-Course Pelvic Radiotherapy for Locally Progressive, Castrate Resistant Prostate Cancer

A single arm, prospective Phase II study to evaluate the effect of Split-Course Pelvic Radiotherapy on bladder and bowel health related quality of life in patients with locally progressive, castrate resistant prostate cancer.

Status
Terminated
Phases
Phase 2
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12614000858695
Enrollment
18
Registered
2014-08-11
Start date
2015-02-17
Completion date
2020-12-10
Last updated
2026-01-05

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Brief summary

This study aims to prospectively evaluate the palliative benefit of a split course of pelvic radiotherapy in patients with prostate cancer whose disease is no longer responding to hormone therapy. Who is it for? You may be eligible to join this study if you are a male aged 18 years or above who has been diagnosed with castrate resistant prostate cancer, and are able to commence radiotherapy within 6 weeks of trial registration. Study details All participants in this study will undergo split-course pelvic radiotherapy, which consists of 10 treatment sessions over 2 weeks, followed by a planned 1 week treatment break, followed by a further 12 treatment sessions administered over 2.5 weeks. Participants will be asked to complete a questionnaire at 6 months post treatment to assess bowel and bladder related quality of life. They will also be monitored for up to 3 years in order to evaluate acute and late side effects of treatment, local symptom response rate, rates of catheter removal, blood transfusions, trans-urethral prostate resections, and overall survival.

Interventions

Split-course pelvic radiotherapy will consist of a dose of 55Gy in 22 fractions. This dose will be prescribed as a course of 25Gy in 10 fractions given over 2 weeks, followed by a planned 1 week treatment break, followed by a further 30Gy in 12 fractions given over 2 1/2 weeks.

Sponsors

Radiation Oncology Services - Mater Centre
Lead SponsorHospital

Study design

Allocation
Non-randomised trial
Intervention model
Single group
Primary purpose
Treatment
Masking
Open (masking not used)

Eligibility

Sex/Gender
Male
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

 Aged 18 years or older  Has provided written Informed Consent for participation in this trial  Histological or cytologically confirmed prostate cancer or where diagnosis made on clinical factors, a PSA >100ug/L at diagnosis  Castrate resistant disease, as defined by a rising PSA despite castrate levels of testosterone <0.5 ug/L Patient has symptoms attributable to local disease progression OR is asymptomatic with T3 or T4 disease but and felt to be at risk of symptomatic local progression (these patients to be included in analysis of secondary endpoints 1, 3 and 4)  An ECOG performance status score of 2 or less  Life expectancy at least 6 months  Available for follow up at least via a phone interview.  Radiotherapy can commence within 6 weeks of trial registration.  Is able to complete QOL assessments

Exclusion criteria

Previous radiotherapy to the pelvis  Bilateral hip replacement surgery  Cytotoxic chemotherapy within 4 weeks of the proposed start date for radiotherapy Prior diagnosis of cancer within 5 years of current diagnosis with the exception of successfully treated non-melanoma skin cancer

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 4, 2026