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Trial registered on ANZCTR
Registration number
ACTRN12618000505202
Ethics application status
Approved
Date submitted
15/03/2018
Date registered
6/04/2018
Date last updated
21/07/2024
Date data sharing statement initially provided
13/06/2019
Type of registration
Prospectively registered
Titles & IDs
Public title
Study of using Cyclophosphamide After Sibling-donor allogeneic stem-cell Transplantation (CAST) in patients with acute leukaemia and myelodysplasia
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Scientific title
Study of using Cyclophosphamide After Sibling-donor allogeneic stem-cell Transplantation (CAST) in patients with acute leukaemia and myelodysplasia: a randomised study comparing cyclosporin and methotrexate to cyclosporin and post-transplantation cyclophosphamide for graft-versus-host disease prophylaxis.
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Secondary ID [1]
294348
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ALLG BM12
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Universal Trial Number (UTN)
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Trial acronym
CAST
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Acute Leukaemias
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Myelodysplasia
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Condition category
Condition code
Blood
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0
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Haematological diseases
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Cancer
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0
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Leukaemia - Acute leukaemia
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
The GVHD prophylaxis consists of post-transplant iv cyclophosphamide 50 mg/kg on Day +3, +4 and oral cyclosporin commencing on Day +5, Cyclosporin lasts 90 days
Cyclosporin dosing is as per institution’s standard practice. The protocol recommends maintaining trough cyclosporin level at > 140 µg/l in the absence of toxicity
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Intervention code [1]
300650
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Treatment: Drugs
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Comparator / control treatment
The GVHD prophylaxis consists of oral cyclosporin starting from day -1 and iv methotrexate 15 mg/m2 day +1 and 10 mg/m2 on days +3, +6 and +11.
Cyclosporin lasts 90 days
Cyclosporin dosing is as per institution’s standard practice. The protocol recommends maintaining trough cyclosporin level at > 140 µg/l in the absence of toxicity
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Control group
Active
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Outcomes
Primary outcome [1]
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Graft versus host disease and relapse free survival (GRFS) - composite endpoint
GVHD-free/relapse-free survival (GRFS) is measured from the date of allogeneic HSCT to the earliest occurrence of any of the following events: grade 3-4 acute GVHD, NIH moderate or severe chronic GVHD, disease relapse or death from any cause.
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Assessment method [1]
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Timepoint [1]
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24 months post transplant
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Secondary outcome [1]
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Non relapse mortality
Death without prior relapse of disease. All survival times measured from the date of HSCT.
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Assessment method [1]
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Timepoint [1]
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12 and 24 months post transplant
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Secondary outcome [2]
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Health related QoL
1. The Functional Assessment of Cancer Therapy-Bone Marrow Transplant (FACT-BMT) questionnaire includes 27 items assessing 4 aspects of well-being (physical, functional, emotional, social/family), plus 23 symptoms and issues specific to bone marrow transplant. The FACT-BMT is valid responsive to change over and well-suited to this trial due to the clinical relevance of scale items. It will also enable calculation of the FACT-8D utility scores
2. The FACT-Fatigue includes 13 items assessing symptoms and consequences of fatigue. It has been validated in a cancer population.
3. The Physical functioning sub-scale of the EORTC QLQ-C30, which contains 5 items, will be used to supplement the physical wellbeing scale of the FACT-BMT, to obtain a clearer estimate of the impact of the disease and treatment on mobility and self-care issues. It adds 13 items to the PRO assessment battery.
4. The EQ-5D-5L is a preference-based measure of QoL that will be used to estimate health utilities scores and combined with survival endpoints to calculate quality-adjusted life years for incorporation in health economic analyses.
5. The COST-FACIT (version 1) includes 11 items assessing patients’ perceptions of their financial situation and the financial burden of their disease and treatment.
HRQoL is a single secondary outcome, measured using multiple instruments
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Assessment method [2]
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Timepoint [2]
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12 and 24 months post-transplant
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Eligibility
Key inclusion criteria
• 18-70 years of age
• Adult patients with AML/ALL in remission or MDS with <20% myeloblasts
• Availability of 6/6-matched sibling donor
• Adequate cardiac (LVEF greater than or equal to 40%), pulmonary (DLCO/VA >50%) and renal function (Creatinine Clearance greater than or equal to 60 ml/min).
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Minimum age
18
Years
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Maximum age
70
Years
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
• Donor other than a sibling
• Graft source other than G-CSF mobilised PBSC
• Use of in-vitro or in-vivo T-cell depletion
• Life expectancy from co-morbid medical conditioning less than 12 months
• Uncontrolled infection
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Study design
Purpose of the study
Treatment
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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)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people assessing the outcomes
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 3
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
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Recruitment
Recruitment status
Active, not recruiting
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Date of first participant enrolment
Anticipated
1/06/2018
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Actual
4/04/2019
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Date of last participant enrolment
Anticipated
30/10/2023
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Actual
30/01/2024
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Date of last data collection
Anticipated
30/01/2026
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Actual
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Sample size
Target
134
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Accrual to date
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Final
134
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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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The Alfred - Prahran
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Recruitment hospital [2]
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Royal Melbourne Hospital - City campus - Parkville
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Recruitment hospital [3]
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The Royal Adelaide Hospital - Adelaide
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Recruitment hospital [4]
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Fiona Stanley Hospital - Murdoch
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Recruitment hospital [5]
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Westmead Private Hospital - Westmead
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Recruitment hospital [6]
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Austin Health - Austin Hospital - Heidelberg
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Recruitment hospital [7]
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Royal Brisbane & Womens Hospital - Herston
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Recruitment hospital [8]
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St Vincent's Hospital (Darlinghurst) - Darlinghurst
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Recruitment postcode(s) [1]
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3050 - Royal Melbourne Hospital
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Recruitment postcode(s) [2]
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3004 - Prahran
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Recruitment postcode(s) [3]
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5000 - Adelaide
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Recruitment postcode(s) [4]
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6150 - Murdoch
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Recruitment postcode(s) [5]
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2145 - Westmead
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Recruitment postcode(s) [6]
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3084 - Heidelberg
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Recruitment postcode(s) [7]
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4029 - Herston
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Recruitment postcode(s) [8]
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2010 - Darlinghurst
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Recruitment outside Australia
Country [1]
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New Zealand
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State/province [1]
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Auckland
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Country [2]
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New Zealand
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State/province [2]
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Wellington
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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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NHMRC
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Address [1]
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National Health and Medical Research Council
GPO Box 1421
Canberra ACT 2601
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Country [1]
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Australia
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Primary sponsor type
Charities/Societies/Foundations
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Name
Australasian Leukaemia and Lymphoma Group
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Address
Ground Floor, 35 Elizabeth St
Richmond, VIC 3121
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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]
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Country [1]
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Alfred Health Ethics Committee
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Ethics committee address [1]
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55 Commercial Road Melbourne, VIC 3004
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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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23/04/2018
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Approval date [1]
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22/10/2018
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Ethics approval number [1]
299920
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Summary
Brief summary
This study aims to demonstrate a drug called cyclophosphamide is better than the current standard of care at preventing graft versus host disease in patients who have just had a bone marrow transplant. Who is it for? You may be eligible for this study if you are aged 18-70 and have AML or ALL which is in remission, or MDS with <20% myeloblasts; and have a 6/6 matched sibling bone marrow donor. Study details Participants in this study will be randomly assigned (by chance) to one of two treatments. One group will take the study medication cyclophosphamide for 5 days, followed by 90 days of cyclosporin. The other group will take an existing medication regimen of cyclosporine and methotrexate, which is the current standard of care for preventing GVHD. Participants will be followed-up for 2 years post-transplant. The study will look at the number of patients in each treatment arm who develop GVHD, and how each treatment affects the patient quality of life.
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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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Dr Sushrut Patil
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Address
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Level 1, Alfred Centre - Alfred Hospital
55 Commercial Road
Melbourne VIC 3004
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Country
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Australia
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Phone
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+61 3 9903 0225
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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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David Curtis
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Address
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Level 1, Alfred Centre - Alfred Hospital
55 Commercial Road
Melbourne VIC 3004
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Country
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Australia
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Phone
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+61 3 9903 0225
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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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David Curtis
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Address
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Level 1, Alfred Centre - Alfred Hospital
55 Commercial Road
Melbourne VIC 3004
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Country
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Australia
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Phone
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+61 3 9903 0225
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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
No individual participant data will be publicly available as it is the aggregate data that is under investigation.
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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.
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