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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT03968393
Registration number
NCT03968393
Ethics application status
Date submitted
22/03/2019
Date registered
30/05/2019
Titles & IDs
Public title
Anticoagulation for Stroke Prevention In Patients With Recent Episodes of Perioperative AF After Noncardiac Surgery
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Scientific title
Anticoagulation for Stroke Prevention In Patients With Recent Episodes of Perioperative Atrial Fibrillation After Noncardiac Surgery - The ASPIRE-AF Trial
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Secondary ID [1]
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2019-001336-62
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Secondary ID [2]
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2019-ASPIREAF
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Universal Trial Number (UTN)
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Trial acronym
ASPIRE-AF
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Stroke
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Atrial Fibrillation
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Condition category
Condition code
Stroke
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Haemorrhagic
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Stroke
0
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Ischaemic
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Cardiovascular
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0
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0
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Other cardiovascular diseases
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - Non-vitamin K oral anticoagulant (NOAC)
Experimental: Non-vitamin K oral anticoagulant (NOAC) - Participants randomized to the intervention arm will be prescribed one of the following NOACs for the duration of follow-up, unless they are undergoing a procedure with an increased risk of bleeding, have an adverse event or low calculated creatinine clearance, or decide to discontinue their use.
No intervention: No anticoagulation - Participants randomized to the control arm will not be prescribed an oral anticoagulant unless they develop a clear indication for one during follow-up (e.g., recurrent nonoperative AF). They can be newly prescribed or continue taking low dose aspirin or another single antiplatelet agent as per the protocol. This will be decided by the participant's physician.
Treatment: Drugs: Non-vitamin K oral anticoagulant (NOAC)
Participants randomized to the intervention arm will be prescribed one of the following NOACs for the duration of follow-up: edoxaban 60 mg daily (dose reduction to 30 mg, if applicable), apixaban 5 mg twice daily (dose reduction to 2.5 mg, if applicable), dabigatran 110 mg twice daily, or rivaroxaban 20 mg daily (dose reduction to 15 mg, if applicable). The choice of NOAC will be left up to the participant's prescribing physician.
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Incidence of Non-hemorrhagic stroke or systemic embolism
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Assessment method [1]
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Timepoint [1]
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For the duration of follow-up, until final follow-up (occurs when the last global participant has been followed for 24 months)
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Primary outcome [2]
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Incidence of vascular mortality, and non-fatal non-hemorrhagic stroke, myocardial infarction, peripheral arterial thrombosis, amputation, and symptomatic venous thromboembolism
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Assessment method [2]
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Timepoint [2]
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For the duration of follow-up, until final follow-up (occurs when the last global participant has been followed for 24 months)
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Secondary outcome [1]
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Incidence of vascular mortality
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Assessment method [1]
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Timepoint [1]
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For the duration of follow-up, until final follow-up (occurs when the last global participant has been followed for 24 months)
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Secondary outcome [2]
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Incidence of non-fatal, non-hemorrhagic stroke
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Assessment method [2]
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Timepoint [2]
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For the duration of follow-up, until final follow-up (occurs when the last global participant has been followed for 24 months)
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Secondary outcome [3]
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Incidence of Myocardial infarction
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Assessment method [3]
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Timepoint [3]
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For the duration of follow-up, until final follow-up (occurs when the last global participant has been followed for 24 months)
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Secondary outcome [4]
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Incidence of peripheral arterial thrombosis
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Assessment method [4]
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Timepoint [4]
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Secondary outcome [5]
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Incidence of amputation
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Assessment method [5]
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Timepoint [5]
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Secondary outcome [6]
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Incidence of symptomatic venous thromboembolism
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Assessment method [6]
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Timepoint [6]
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For the duration of follow-up, until final follow-up (occurs when the last global participant has been followed for 24 months)
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Secondary outcome [7]
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Incidence of all-cause stroke
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Assessment method [7]
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Timepoint [7]
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For the duration of follow-up, until final follow-up (occurs when the last global participant has been followed for 24 months)
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Secondary outcome [8]
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Incidence of all-cause mortality
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Assessment method [8]
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Timepoint [8]
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For the duration of follow-up, until final follow-up (occurs when the last global participant has been followed for 24 months)
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Eligibility
Key inclusion criteria
1. noncardiac surgery in the past 35 days with at least one of the following:
1. an overnight hospital admission after surgery;
2. day surgery resulting in a large enough physiological insult to be able to cause perioperative AF, as judged by the local investigator
2. =1 episode of clinically important perioperative AF during or after their surgery;
3. sinus rhythm at the time of randomization; AND
4. any of the following high-risk criteria:
1. age 55-64 years, and having either known cardiovascular disease, recent major vascular surgery, a CHA2DS2VASc score =3, or an elevated postoperative troponin level;
2. age 65-74 years, and having either known cardiovascular disease, recent major vascular surgery, a CHA2DS2VASc score =2, or an elevated postoperative troponin level; OR
3. age =75 years.
5. provide written informed consent
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Minimum age
55
Years
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Maximum age
No limit
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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
1. history of documented chronic AF prior to noncardiac surgery;
2. need for long-term systemic anticoagulation;
3. ongoing need for long-term dual antiplatelet treatment;
4. contraindication to oral anticoagulation;
5. severe renal insufficiency (CrCl <20 ml/min);
6. severe liver cirrhosis (i.e., Child-Pugh Class C)
7. acute stroke in the past 14 days;
8. underwent cardiac surgery in the past 35 days;
9. history of nontraumatic intracranial, intraocular, or spinal bleeding;
10. hemorrhagic disorder or bleeding diathesis;
11. expected to be non-compliant with follow-up and/or study medications;
12. known life expectancy less than 1 year due to concomitant disease;
13. women who are pregnant, breastfeeding, or of childbearing potential who are not taking effective contraception; OR
14. previously enrolled in the trial
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Study design
Purpose of the study
Prevention
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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
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 4
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Recruiting
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
14/06/2019
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
1/12/2028
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Actual
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Sample size
Target
2270
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
ACT,NSW,QLD,SA,VIC,WA
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Recruitment hospital [1]
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Canberra Hospital - Garran
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Recruitment hospital [2]
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Bankstown Hospital - Bankstown
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Royal Prince Alfred Hospital - Camperdown
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Concord Repatriation General Hospital - Concord
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Liverpool Hospital - Liverpool
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John Hunter Hospital - Newcastle
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Westmead Hospital - Westmead
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Wollongong Hospital - Wollongong
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Sunshine Coast Hospital and Health Service - Birtinya
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Wesley & Greenscopes Private Hospitals - Brisbane
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Royal Brisbane and Women's Hospital - Herston
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Redcliffe Hospital - Redcliffe
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Royal Adelaide Hospital - Adelaide
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Northeast Health Wangaratta - Wangaratta
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Royal Perth Hospital - Perth
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Recruitment postcode(s) [1]
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2605 - Garran
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Recruitment postcode(s) [2]
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2200 - Bankstown
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2050 - Camperdown
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2139 - Concord
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2170 - Liverpool
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2305 - Newcastle
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2145 - Westmead
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2500 - Wollongong
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Recruitment postcode(s) [9]
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4575 - Birtinya
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4064 - Brisbane
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4029 - Herston
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4020 - Redcliffe
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5000 - Adelaide
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Recruitment postcode(s) [14]
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3677 - Wangaratta
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Recruitment postcode(s) [15]
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6000 - Perth
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Recruitment outside Australia
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Argentina
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Buenos Aires
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Liverpool
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Funding & Sponsors
Primary sponsor type
Other
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Name
Population Health Research Institute
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Address
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Other collaborator category [1]
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Other
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Name [1]
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Hamilton Health Sciences Corporation
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Ethics approval
Ethics application status
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Summary
Brief summary
Multinational, investigator-initiated study of oral anticoagulation versus no anticoagulation for the prevention of stroke and other adverse cardiovascular events in patients with transient perioperative atrial fibrillation after noncardiac surgery and additional stroke risk factors.
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Trial website
https://clinicaltrials.gov/study/NCT03968393
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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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David Conen, MD, MPH
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Address
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Population Health Research Institute
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Contact person for public queries
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Cassie McDonald
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Phone
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1-905-594-0560
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Email
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[email protected]
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Contact person for scientific queries
Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
Undecided
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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
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT03968393