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Saruparib (AZD5305) vs Placebo in Men With Metastatic Castration-Sensitive Prostate Cancer Receiving Physician's Choice New Hormonal Agents
The intention of the study is to demonstrate superiority of Saruparib (AZD5305) + physician's choice NHA relative to placebo + physician's choice NHA by assessment of radiographic progression-free survival (rPFS) in participants with mCSPC.
Study details:
Approximately 1800 adult participants with mCSPC will be assigned to one of two cohorts (550 HRRm and 1250 non-HRRm) and randomized in a 1:1 ratio to receive either Saruparib (AZD5305) with NHA or placebo with NHA. They will receive their assigned treatment and regular tumor evaluation scans until disease progression, or until treatment is stopped for another reason. All patients will be followed for survival until the end of the study.
Independent data monitoring committee (DMC) composed of independent experts will be convened to confirm the safety and tolerability of Saruparib (AZD5305) + physicians choice NHA.
Eligibility criteria
Researchers look for people who fit a certain description, called eligibility criteria. See if you qualify.
Inclusion criteria
Exclusion criteria
Eligibility
Age eligible for study : 18 and older
Healthy volunteers accepted : No
Gender eligible for study: Male
Things to know
Study dates
Study start: 2023-11-21
Primary completion: 2028-01-11
Study completion finish: 2031-04-30
Study type
TREATMENT
Phase
PHASE3
Trial ID
NCT06120491
Intervention or treatment
DRUG: Saruparib
DRUG: Placebo
DRUG: Abiraterone Acetate
DRUG: Darolutamide
DRUG: Enzalutamide
Conditions
- • Metastatic Castration-Sensitive Prostate Cancer
Find a site
Closest Location:
Research Site
Research sites nearby
Select from list below to view details:
Research Site
Chermside, Not Specified, Australia
Research Site
Darlinghurst, Not Specified, Australia
Research Site
Hyde Park, Not Specified, Australia
Research Site
Kurralta Park, Not Specified, Australia
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?
Participant Group/Arm | Intervention/Treatment |
---|---|
EXPERIMENTAL: Arm 1: Saruparib (AZD5305) + Physician's Choice NHA
| DRUG: Saruparib
|
PLACEBO_COMPARATOR: Arm 2: Placebo + Physician's Choice NHA
| DRUG: Placebo
|
What is the study measuring?
Primary outcome
Primary Outcome Measure | Primary Outcome Description | Primary Outcome Time Frame |
---|---|---|
Radiographic Progression-Free Survival (rPFS) | rPFS is defined as the time from randomisation to radiographic progression, as assessed by the investigator per RECIST 1.1 (soft tissue) and/or PCWG3 criteria (bone), or, death due to any cause. | up to approximately 50 months |
Secondary outcome
Secondary Outcome Measure | Secondary Outcome Description | Secondary Outcome Time Frame |
---|---|---|
Overall Survival (OS) | OS is defined as the time from randomisation until the date of death due to any cause. | up to approximately 90 months |
Second Progression-Free Survival (PFS2) | Time from randomisation to PFS2 is defined as the time from randomisation to the earliest of progression (defined as radiographic progression, clinical progression, or PSA progression) after initiation of first subsequent treatment following the initial investigator-assessed progression or death. | up to approximately 50 months |
Time to First Subsequent Therapy or Death (TFST) | TFST is defined as the time from randomisation to the start date of the first subsequent anticancer therapy after discontinuation of randomised treatment, or death due to any cause. | up to approximately 50 months |
Symptomatic Skeletal Event-Free Survival (SSE-FS) | SSE-FS is defined as the time from randomisation to the earliest of the following: * Use of radiation therapy to prevent or relieve skeletal symptoms. * Occurrence of new symptomatic pathological bone fractures (vertebral or non-vertebral). * Occurrence of spinal cord compression. * Orthopaedic surgical intervention for bone metastasis. * Death due to any cause. | up to approximately 50 months |
Time to the First Castration-Resistant Event (TTCR) | TTCR is defined as the time from randomisation to the first castration resistant event (radiographic disease progression per RECIST 1.1 \[soft tissue\] and/or PCWG3 criteria \[bone\], PSA progression per PCWG3, or SSE, PSA progression per PCWG3, or SSE), whichever occurs first, with castrate levels of testosterone (below 50 ng/dL). | up to approximately 50 months |
Time to Pain Progression (TTPP) | TTPP is defined as the time from randomisation to clinically meaningful pain progression based on a 2-point increase from baseline in the Brief Pain Inventory - Short Form (BPI-SF) Item 3 'worst pain in 24 hours' score and/or initiation of/increase in opioid analgesic use. | up to approximately 50 months |
Time To Deterioration in Urinary Symptoms (TTDUS) | TTDUS is defined as the time from randomisation to deterioration in European Organisation for Research and Treatment of Cancer (EORTC) Quality of Life Prostate Questionnaire (Urinary Symptoms) (QLQPR25 \[US\]) subscale scores. | up to approximately 50 months |
Time to Deterioration in Fatigue (TTDF) | TTDF is defined as the time from randomisation to deterioration in Patient-Reported Outcomes Measurement Information System (PROMIS) Fatigue Short Form 7A scores. | up to approximately 50 months |
Time to Deterioration in Physical Function (TTDPF) | TTDPF is defined as the time from randomisation to deterioration in PROMIS Physical Function Short Form 8C scores. | up to approximately 50 months |
Health-related Quality of Life (HrQoL) | Change from baseline in BPI-SF worst pain score, pain severity, and interference domain scores. | up to approximately 50 months |
BRCA and other HRR gene mutation status. | Not Specified | at screening |
Plasma concentrations of AZD5305 | Not Specified | up to approximately 10 months |
Samples will be used to develop complementary or companion diagnostics by analyzing their performance characteristics and calculate their consistency with clinical trial assays used for enrolment onto the study. | Samples will be tested by a CDx to certify consistency with assays used in the study. | up to approximately 50 months |
Assessment of PSA (prostate-specific antigen) in participants in mCSPC | proportion of participants achieving a \>= 50% or \>=90% decrease in PSA from baseline; proportion of participants with undetectable PSA (\< 0.2 ng/mL); time to PSA progression | up to approximately 50 months |
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