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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT00182364
Registration number
NCT00182364
Ethics application status
Date submitted
10/09/2005
Date registered
16/09/2005
Date last updated
17/11/2006
Titles & IDs
Public title
PROphylaxis for ThromboEmbolism in Critical Care Trial (PROTECT Pilot)
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Scientific title
PROphylaxis for ThromboEmbolism in Critical Care Trial (PROTECT Pilot)
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Secondary ID [1]
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FGMAEI-0042-048
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Secondary ID [2]
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54618366 PROTECT pilot
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Critically Ill
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Deep Venous Thrombosis
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Condition category
Condition code
Cardiovascular
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Diseases of the vasculature and circulation including the lymphatic system
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Cardiovascular
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Other cardiovascular diseases
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Blood
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Clotting disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
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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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The primary outcome for the PROTECT Study is objectively confirmed proximal DVT (proven symptomatic or asymptomatic DVT) diagnosed by bilateral lower extremity compression ultrasound, confirmed by venography when possible.
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Assessment method [1]
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Timepoint [1]
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Secondary outcome [1]
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There are four secondary outcomes: 1) PE diagnosed by the PE Diagnosis algorithm, 2) bleeding, 3) anti-Xa levels associated with heparin dose adjustment, 4) thrombocytopenia and HIT
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Assessment method [1]
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Timepoint [1]
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Eligibility
Key inclusion criteria
1. Admission to ICU
2. Men and women greater than 18 years of age or older
3. Expected to remain in ICU admission greater than 72 hours
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Minimum age
18
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. Contraindications to LMWH or blood products
2. Trauma, post orthopedic surgery, post cardiac surgery or post neurosurgery patients,
3. Uncontrolled hypertension as defined by a systolic blood pressure > 180 mmHg or a diastolic blood pressure > 110 mmHg,
4. Hemorrhagic stroke, DVT, PE or major hemorrhage on admission or within 3 months,
5. Coagulopathy as defined by INR >2 times upper limit of normal [ULN], or PTT >2 times ULN,
6. Renal insufficiency as defined by a creatinine clearance <30ml/min,
7. A need for oral or intravenous or subcutaneous therapeutic anticoagulation,
8. Heparin allergy, proven or suspected heparin-induced thrombocytopenia (HIT),
9. Receipt of >2 doses of UFH or LMWH in ICU,
10. Pregnant or lactating,
11. Withdrawal of life support or limitation of life support,
12. Prior enrollment in this trial
13. Prior enrollment into a related RCT
14. Thrombocytopenia defined platelet count < 100 x 109/L,
15. Bilateral lower limb amputation,
16. Allergy to pork or pork products
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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?
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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
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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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
1/02/2003
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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
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Actual
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Sample size
Target
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
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Recruitment hospital [1]
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Royal Alfred Hospital - Melbourne
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Recruitment hospital [2]
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Royal North Shore Hospital of Sydney - Sydney
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Recruitment postcode(s) [1]
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3181 - Melbourne
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Recruitment postcode(s) [2]
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2065 - Sydney
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Recruitment outside Australia
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Canada
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State/province [1]
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Nova Scotia
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Canada
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State/province [2]
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Ontario
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Country [3]
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Canada
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State/province [3]
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Quebec
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Funding & Sponsors
Primary sponsor type
Other
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Name
Hamilton Health Sciences Corporation
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Address
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Other collaborator category [1]
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Government body
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Name [1]
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Canadian Institutes of Health Research (CIHR)
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Address [1]
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Other collaborator category [2]
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Other
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Name [2]
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Canadian Critical Care Trials Group
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Address [2]
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Country [2]
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Ethics approval
Ethics application status
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Summary
Brief summary
PROTECT Pilot objective is to assess: 1) the feasibility of timely enrollment and complete, blinded study drug administration, 2) the bioaccumulation of LMWH in patients with acquired renal insufficiency and its association with bleeding, 3) the feasibility of scheduled twice weekly lower limb ultrasounds, and 4) recruitment rates for a future randomized trial.
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Trial website
https://clinicaltrials.gov/study/NCT00182364
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Trial related presentations / publications
Clarke F, McDonald E, Rocker G, Cook DJ. Research coordinator activities in the ICU: An observational study. Abstract #108. Crit Care Med 2004;31(12)(suppl):A26. Cook DJ, Rocker G, Meade M, Guyatt G, Geerts W, Anderson D, Skrobik Y, Hebert P, Albert M, Cooper J, Bates S, Caco C, Finfer S, Fowler R, Freitag A, Granton J, Jones G, Langevin S, Mehta S, Pagliarello G, Poirier G, Rabbat C, Schiff D, Griffith L, Crowther M; PROTECT Investigators; Canadian Critical Care Trials Group. Prophylaxis of Thromboembolism in Critical Care (PROTECT) Trial: a pilot study. J Crit Care. 2005 Dec;20(4):364-72. doi: 10.1016/j.jcrc.2005.09.010. McDonald E, Poirier G, Hebert P, Pagliarello J, Rocker G, Langevin S, LeBlanc F F, Mehta S, Skrobik Y, Fowler R, Granton J, Freitag A, Jones G, Cooper DJ, Meade M, Guyatt GH, Anderson D, Geerts W, Crowther M, Zytaruk N, Griffith LE, Cook DJ, for the PROTECT Investigators and Canadian Critical Care Trials Group. PROphylaxis for ThromboEmbolism in Critical care Trial. Blood 2004;104(ii):A1784. Zytaruk N, Cook DJ, Meade M, Rocker G, Poirier G, Langevin S, LeBlanc F, Hebert P, Mehta S, Granton J, Freitag A, Guyatt GH, Anderson D, Geerts W, Crowther M, for the Canadian Critical Care Trials Group. Prophylaxis for thromboembolism in critical care trial: A pilot study. Am J Resp Crit Care Med 2004;169(7):A666. McDonald E, Kho M, Wynne C, Duffet M, McNeil A, Provost L, Rioux A, LaRouche G, Davidson C, McCardle T, Watpool I, Foxall J, Lewis M, Pagliarello J, Jones G, Meade M, Crowther M, Rocker G, Cook DJ, for the Canadian Critical Care Trials Group. Multicenter RCT pilot studies: Exclusion criteria revisited. Am J Resp Crit Care Med 2004;169(7):A257.
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Public notes
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Contacts
Principal investigator
Name
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Deborah J Cook, MD
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Address
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McMaster University
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Phone
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Fax
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Email
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Type
Citations or Other Details
Journal
Cook DJ, Rocker G, Meade M, Guyatt G, Geerts W, An...
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McDonald E, Poirier G, Hebert P, Pagliarello J, Ro...
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Zytaruk N, Cook DJ, Meade M, Rocker G, Poirier G, ...
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McDonald E, Kho M, Wynne C, Duffet M, McNeil A, Pr...
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Results not provided in
https://clinicaltrials.gov/study/NCT00182364
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