ANCHORProstate: Ablative Radiotherapy to Consolidate Maximal Systemic Response in Metastatic Prostate Cancer (ANCHOR-Prostate)
Study Details
Study Description
Brief Summary
A phase IIR cmRCT trial companion to PERa registry, investigating the merit of SABR consolidation in men with metastatic prostate cancer. 80 patients will be randomly selected to be offered experimental SABR based on PSMA-PET detected disease after maximal systemic response. The primary endpoint is the rate of FFS at 1 year. Patients will be stratified according to hormone sensitive vs resistant disease prior to randomisation.
Condition or Disease | Intervention/Treatment | Phase |
---|---|---|
|
Phase 2 |
Study Design
Arms and Interventions
Arm | Intervention/Treatment |
---|---|
Experimental: SABR consolidation
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Radiation: SABR
SBAR to PSMA-PET visible disease at maximal systemic therapy response.
|
Active Comparator: Control - no SABR consolidation
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Other: no RT
no SABR, continued systemic therapy per SOC
|
Outcome Measures
Primary Outcome Measures
- FFS [1 year]
FFS is defined as time from randomization to the first of the following events: PSA progression, radiographic or clinical progression.
Secondary Outcome Measures
- HRQoL [5 years]
- Toxicity [5 years]
CTCAEv5, incidence rate
- Time to progression [5 years]
Eligibility Criteria
Criteria
Inclusion Criteria:
3.1.1 Enrolled in PERa (CHUM CER 17.032) and randomly selected for AnChoR-Prostate.
3.1.2 Diagnosis of metastatic prostate cancer having achieved maximum PSA response to SOC systemic therapy defined as two consecutive stable PSA within 6 months of regimen start. Stable PSA is defined as non- progressing (<25% rise from nadir, per PCWG3 guidelines).
3.1.3 ECOG 0-2 3.1.4 PSA > 0.2 ng/mL 3.1.5 1-5 sites of PSMA-PET avid disease amenable to SABR.
Exclusion Criteria:
- none
Contacts and Locations
Locations
No locations specified.Sponsors and Collaborators
- Centre hospitalier de l'Université de Montréal (CHUM)