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Trial registered on ANZCTR
Registration number
ACTRN12624000905561
Ethics application status
Approved
Date submitted
1/05/2024
Date registered
24/07/2024
Date last updated
24/07/2024
Date data sharing statement initially provided
24/07/2024
Type of registration
Prospectively registered
Titles & IDs
Public title
Using genetic information to assist treatment decision making for people on active surveillance following diagnosis with favourable intermediate-risk prostate cancer
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Scientific title
GenI-AIRSPACE: Evaluating the effect of genomically informed treatment decision-making on long-term oncological outcomes for individuals diagnosed with intermediate risk prostate cancer undergoing active surveillance(ANZUP 2102)
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Secondary ID [1]
311965
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ANZUP 2102
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Universal Trial Number (UTN)
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Trial acronym
GenI-AIRSPACE
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Intermediate Risk Prostate Cancer
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Condition category
Condition code
Cancer
330252
330252
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0
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Prostate
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Experimental Arm: Genomically Informed Risk Stratification
Participants assigned to the experimental arm will undergo genomic testing of prospectively collected blood and archival tissue to determine their genomically informed risk stratification.
Upon confirmation of eligibility, consent, and randomisation into the trial, tissue samples from the initial prostate biopsy conducted at the time of diagnosis with intermediate risk prostate cancer will be obtained from relevant pathology providers. Additionally, a 10mL blood sample (approximately 2 teaspoons) will be collected at local pathology providers. . Hematoxylin and eosin (H&E) slides, along with 5µm thick serial sections of biopsy tumour cores on uncharged slides, will be prepared for testing. An optional tumour tissue sample may be collected and analysed at cancer progression.
The following assessments will be performed on samples:
• Germline screening for prostate cancer high risk variants, using a DNA Damage Response Gene+ assay
• Somatic tumour panel using archival tissue using the Illumina TSO500
• Tissue based transcriptional gene signatures using the Decipher Prostate Cancer Test
These assessments are commercially available, however, they are not offered as part of standard care in prostate cancer. It may take between 8-12 weeks for results to become available.
Participants will be assigned as genomic ‘high-risk’ if a listed deleterious germline or somatic mutation is identified, or a Decipher ‘high-risk’ score is returned. Participants without any deleterious germline or somatic mutation, or with a Decipher ‘low- or intermediate-risk’ score will be categorised as genomic ‘low-risk’. This will be communicated both verbally and in writing to the participant as well as their referring clinician using a standard template to assist in treatment decision-making. At the time of providing results, no explicit treatment recommendation will be made – specifically, in patients who are labelled as ‘high-risk’, a recommendation to proceed with radical treatment will not be made. Rather the information will be provided to both the patient and the physician, and the treatment pathway arrived at through shared decision-making.
Risk stratification assessments will remain identical in all stages of the trial, with exception of Stage 1 where germline screening assessment is not mandated. In Stage 1, participants will only be required to provide tissue samples to facilitate somatic tumour panel and Decipher risk score analyses. In the event of a ‘high-risk’ classification on the somatic tumour panel, germline screening will be offered to participants as an optional test which will require the collection of a whole blood sample. Upon the commencement of Stage 2, it will be mandatory for all new participants randomised to the genomically informed arm in Stages 2 and 3 to supply blood samples for germline screening.
The difference between each stage is the follow-up time required to achieve each primary endpoint: 6 months for Stage 1, 3 years for Stage 2, and 10 years for Stage 3. The activities associated with follow-up remain consistent throughout all stages of the trial.
Participants will be asked to complete questionnaires focusing on health related quality of life at baseline and then every 6 months for the first 12 months after randomisation, then every 12 months until the end of follow-up.
Participants will be followed-up for six months in stage 1, three years in stage 2 and ten years in stage 3. Each stage will be conducted in sequence. If the study progresses into the next stage, follow-up period will be extended to reflect the required duration of the next stage. Therefore, the maximum period of follow-up is approximately ten years.
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Intervention code [1]
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Diagnosis / Prognosis
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Intervention code [2]
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Early detection / Screening
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Comparator / control treatment
Standard of Care arm
Participants assigned to this arm will continue in usual care with their treating team. This may include active monitoring, as a component of active surveillance, which consists of routine clinical review, PSA evaluation, prostate imaging and/or biopsy per local guidelines/practice.
Follow-up will be conducted throughout the trial period, continuing both before and after definitive treatment (if this occurs).
Participants will be asked to complete questionnaires focusing on health related quality of life at baseline and then every 6 months for the first 12 months after randomisation, then every 12 months until the end of follow-up.
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Control group
Active
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Outcomes
Primary outcome [1]
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Stage 1: The number of individuals in the experimental arm continuing in active surveillance 6 months post-diagnosis compared to standard of care arm.
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Assessment method [1]
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Audit of participant electronic medical records
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Timepoint [1]
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Date of randomisation to the date of cessation of active surveillance - assessed up to 6 months following randomisation
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Primary outcome [2]
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Stage 2: The number of individuals in the experimental arm free from active treatment 3 years post-diagnosis compared to the standard of care arm.
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Assessment method [2]
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Audit of participant electronic medical records
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Timepoint [2]
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Date of randomisation to the date of definitive treatment for prostate cancer - assessed up to 3 years following randomisation
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Primary outcome [3]
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Stage 3: 10-year metastasis-free survival.
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Assessment method [3]
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Metastasis-free survival is defined as the interval from the date of randomisation to the date of first evidence of metastasis, or the date of last known follow-up without progression. Evidence of metastasis, or date last known follow-up without disease progression will be determined via audit of participant electronic medical records. Metastasis can be confirmed via imaging modalities (e.g. ,MRI, PET-CT scans, etc) or histology (biopsy).
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Timepoint [3]
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Date of randomisation to the date of first evidence of metastasis - assessed up to study completion, approximately 10 years from recruitment.
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Secondary outcome [1]
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To assess patient-reported urinary function outcomes associated with genomically informed active surveillance.
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Assessment method [1]
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EORTC Quality-of-Life Questionnaire-Core 30 and EORTC Quality-of-Life Questionnaire-Prostate Cancer 25 instruments will be used. Results from both of these questionnaires will be combined in order to assess this outcome
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Timepoint [1]
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Baseline, 6 monthly for the first 12 months after randomisation, then every 12 months until the end of follow-up.
Participants will be followed-up for six months in stage 1, three years in stage 2 and ten years in stage 3. Each stage will be conducted in sequence. If the study progresses into the next stage, follow-up period will be extended to reflect the required duration of the next stage. Therefore, the maximum period of follow-up is approximately ten years.
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Secondary outcome [2]
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To assess patient-reported sexual function outcomes associated with genomically informed active surveillance
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Assessment method [2]
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EORTC Quality-of-Life Questionnaire-Prostate Cancer 25 instrument
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Timepoint [2]
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Baseline, 6 monthly for the first 12 months after randomisation, then every 12 months until the end of follow-up (6 months for Stage 1, 3 years for Stage 2, and 10 years for Stage 3)
Participants will be followed-up for six months in stage 1, three years in stage 2 and ten years in stage 3. Each stage will be conducted in sequence. If the study progresses into the next stage, follow-up period will be extended to reflect the required duration of the next stage. Therefore, the maximum period of follow-up is approximately ten years.
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Secondary outcome [3]
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To assess patient-reported bowel function outcomes associated with genomically informed active surveillance
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Assessment method [3]
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EORTC Quality-of-Life Questionnaire-Core 30 and EORTC Quality-of-Life Questionnaire-Prostate Cancer 25 instruments.
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Timepoint [3]
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Baseline, 6 monthly for the first 12 months after randomisation, then every 12 months until the end of follow-up.
Participants will be followed-up for six months in stage 1, three years in stage 2 and ten years in stage 3. Each stage will be conducted in sequence. If the study progresses into the next stage, follow-up period will be extended to reflect the required duration of the next stage. Therefore, the maximum period of follow-up is approximately ten years.
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Secondary outcome [4]
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To assess patient-reported health-related quality of life outcomes associated with genomically informed active surveillance
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Assessment method [4]
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Results of the EORTC Quality-of-Life Questionnaire-Core 30, EORTC Quality-of-Life Questionnaire-Prostate Cancer 25, Fear of Cancer Recurrence Inventory-Short Form, Hospital Anxiety and Depression Scale will be assessed together to determine the aspects of health-related quality of life that are affected by genomically informed active surveillance
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Timepoint [4]
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Baseline, 6 monthly for the first 12 months after randomisation, then every 12 months until the end of follow-up.
Participants will be followed-up for six months in stage 1, three years in stage 2 and ten years in stage 3. Each stage will be conducted in sequence. If the study progresses into the next stage, follow-up period will be extended to reflect the required duration of the next stage. Therefore, the maximum period of follow-up is approximately ten years.
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Secondary outcome [5]
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Resource utilisation associated with using genomic tests to inform treatment in a health economics analysis.
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Assessment method [5]
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Cost-effectiveness using existing health economic models, accompanied with data provided by the Medical Benefits Schedule and Pharmaceutical Benefits Scheme, hospital admission data (for participants enrolled in Victoria and New South Wales) and data obtained from the EORTC QLU-C10D to develop quality-adjusted life years for the approach.
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Timepoint [5]
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EORTC QLU-C10D will be performed at baseline, 6 monthly for the first 12 months after randomisation, then every 12 months until the end of follow-up. Resource utilisation data, compiled with questionnaire responses, will contribute the longer-term (10 year) comparative assessment of the costs of using genomic tests to inform decision-making.
Participants will be followed-up for six months in stage 1, three years in stage 2 and ten years in stage 3. Each stage will be conducted in sequence. If the study progresses into the next stage, follow-up period will be extended to reflect the required duration of the next stage. Therefore, the maximum period of follow-up is approximately ten years.
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Eligibility
Key inclusion criteria
1. Age 18 years and over.
2. Histological diagnosis of prostate adenocarcinoma with no evidence of metastatic disease on staging investigations (if indicated).
3. Intermediate risk prostate cancer as defined clinical stage cT2 OR Gleason Sum 3+4 = 7 (International Society of Urological Pathology (ISUP) grade group 2) OR Prostate-specific antigen test (PSA) 10-20 ng/mL.
4. Fit for radical treatment (either surgery or radiation) at the time of diagnosis.
5. Estimated life expectancy > 10 years.
6. Availability of formalin-fixed, paraffin-embedded tissue cores for genomic testing.
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Minimum age
18
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Maximum age
No limit
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Sex
Males
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Can healthy volunteers participate?
No
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Key exclusion criteria
1. Unwilling to accept active surveillance as an initial management strategy.
2. The presence of any variant prostate cancer histology (ductal, small cell, sarcomatoid, urothelial, squamous/adenosquamous carcinoma and basal cell carcinoma).
3. The presence of high-risk pattern 4 growth patterns (in the pattern 4 component of Gleason 3+4 disease), namely intraductal carcinoma or large cribriform pattern.
4. Unable or unwilling to provide informed consent.
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Study design
Purpose of the study
Diagnosis
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Allocation is not concealed
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Participants will be randomised between current standard of care, and genomically informed risk stratification (experimental arm) using a block randomisation method (1:1). Stratification by recruitment site and number of prostate sectors involved (<2 vs. >2) will occur.
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Parallel
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Other design features
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Phase
Not Applicable
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Type of endpoint/s
Safety
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Statistical methods / analysis
There will be 112 participants recruited to GenI-AIRSPACE Stage 1, 348 to stage 2 and 1950 to stage 3 (inclusive of those enrolled in stages 1 and 2). The overall conduct of the study is sequential: completion of Stage 1 is critical to enable Stages 2 and 3 to be performed.
Assuming a standard care MFS at 10 years of 8% and a genomically informed care MFS at 10 years of 10% a total sample size of 1754 participants (877 per arm) will be required at analysis to have 90% power to determine non-inferiority to within a margin of 2% MFS using a one-sided alpha of 0.05. The target recruitment sample size is planned to be 1950 patients in order to adjust for an anticipated 10% drop out rate
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Recruitment
Recruitment status
Not yet recruiting
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Date of first participant enrolment
Anticipated
31/07/2024
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Actual
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Date of last participant enrolment
Anticipated
31/05/2031
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Actual
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Date of last data collection
Anticipated
31/05/2041
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Actual
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Sample size
Target
1950
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
NSW,QLD,SA,WA,VIC
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Recruitment hospital [1]
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Royal Melbourne Hospital - City campus - Parkville
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Recruitment hospital [2]
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Western Hospital - Footscray - Footscray
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Recruitment postcode(s) [1]
42541
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3050 - Parkville
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Recruitment postcode(s) [2]
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3011 - Footscray
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Funding & Sponsors
Funding source category [1]
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Government body
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Name [1]
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Department of Jobs, Skills, Industry and Regions - Victorian Medical Research Acceleration Fund
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Address [1]
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Country [1]
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Australia
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Funding source category [2]
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Other
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Name [2]
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The Advanced Genomics Collaboration Innovation Fund
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Address [2]
316311
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Country [2]
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Australia
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Primary sponsor type
Other Collaborative groups
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Name
Australian and New Zealand Urogenital and Prostate Cancer Trials Group
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Address
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Country
Australia
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Secondary sponsor category [1]
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None
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Name [1]
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Address [1]
318492
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Country [1]
318492
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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The Royal Melbourne Hospital Human Research Ethics Committee
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Ethics committee address [1]
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https://www.thermh.org.au/research/researchers/ethics
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Ethics committee country [1]
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Australia
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Date submitted for ethics approval [1]
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30/11/2022
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Approval date [1]
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12/05/2023
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Ethics approval number [1]
315125
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Summary
Brief summary
The GenI-AIRSPACE trial aims to understand how genetic testing results influence decisions for people with favourable intermediate-risk prostate cancer. We want to see if these test results can help us safely recommend active surveillance for those with lower genetic risk or suggest treatment if their cancer is more likely to progress. Who is it for? You may be eligible for this study if you are aged 18 years or older with a histological diagnosis of prostate adenocarcinoma with no evidence of metastatic disease, and your treating doctor has recommended ‘active surveillance’, as an alternative to having surgery or radiation therapy now. Almost half of the new prostate cancers diagnosed each year in Australia are referred to as being of ‘favourable intermediate risk,’. This classification indicates that progression to treatments such as surgery or radiation can, in some circumstances, be deferred and the cancer safely monitored over time. This classification is based on results from routine tests, including biopsy results, diagnostic tests like bone or CT scans, and prostate specific antigen or PSA blood tests. Study details Eligible participants will be randomly assigned to one of two groups: the standard of care treatment group which continue in usual care with their treating doctor, or the genomically informed group who will undergo genetic tests to be classified as either high risk or low risk for their cancer to progress. To conduct the genetic tests, the study team will request access to tissue samples from previous prostate cancer biopsies and a fresh10mL blood sample (about 2 teaspoons) will be collected. The results of these tests will be provided with no explicit treatment recommendation. Instead, the information will be provided to both the participant and the treating doctor, and any treatment decisions will be made through shared decision-making. This is a randomised trial, and each participant will have an equal chance (50%) of being allocated into each group. The group assignment will be decided by a computer, so neither the participant nor the doctor can choose the group Both groups will answer questions about their quality of life at the start of the trial, then every six months for a year, and then once a year after that. They will be followed for up to ten years to see if they start treatment for prostate cancer, whether the disease has progressed, and if it has spread. It is hoped that findings from this study will help determine the utility of genomic screening in individualising treatment pathways for people diagnosed with intermediate-risk prostate cancer, and help lessen the number of people who get intense treatment, without hurting their long-term health outcomes.
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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A/Prof Niall Corcoran
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Address
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Western Health - Footscray Hospital, 160 Gordon Street, Footscray, Melbourne, VIC, 3011
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Country
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Australia
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Phone
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+61401527907
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Fax
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Email
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[email protected]
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Contact person for public queries
Name
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A/Prof Samantha Oakes
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Address
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ANZUP Cancer Trials Group, Level 18, International Tower 3, 300 Barangaroo Avenue, Barangaroo, NSW 2000
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Country
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Australia
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Phone
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+61 02 9054 3600
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Fax
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Email
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[email protected]
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Contact person for scientific queries
Name
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A/Prof Niall Corcoran
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Address
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Western Health - Footscray Hospital, 160 Gordon Street, Footscray, Melbourne, VIC, 3011
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Country
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Australia
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Phone
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+61401527907
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Fax
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Email
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[email protected]
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
Download to PDF