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Trial registered on ANZCTR
Registration number
ACTRN12617000282381p
Ethics application status
Not yet submitted
Date submitted
19/02/2017
Date registered
23/02/2017
Date last updated
5/02/2018
Type of registration
Prospectively registered
Titles & IDs
Public title
Vitamin K2 Supplementation in Haemodialysis
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Scientific title
An open-label, feasibility study of Menaquinone-7 enriched supplement in haemodialysis patients.
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Secondary ID [1]
291208
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None
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Universal Trial Number (UTN)
U1111-1193-2174
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Trial acronym
Nil
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
End Stage Kidney Disease
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Vascular calcification
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Condition category
Condition code
Renal and Urogenital
301737
301737
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0
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Kidney disease
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Cardiovascular
301738
301738
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0
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Diseases of the vasculature and circulation including the lymphatic system
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
The product is milk enriched with Menaquinone-7.
The subject will be administered Menaquinone-7 1ug in 200ml. of milk..
Administered 3 times a week on dialysis for 8 weeks.
Patients will be administered the treatment while at dialysis so will be directly observed.
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Intervention code [1]
297211
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Treatment: Other
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Comparator / control treatment
No control group
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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The tolerability of a novel functional health product enriched in MK-7 assessed by study dieticians. The product will either be classified as "Yes" tolerable or "No" not tolerable.
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Assessment method [1]
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Timepoint [1]
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8 weeks
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Primary outcome [2]
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Markers of Vitamin K deficiency will be assessed by obtaining blood samples at baseline, 8 weeks of treatment and 12 weeks (four weeks after halting treatment). Serum will be assessed for concentrations of::
Circulating dephosphorylated-uncarboxylated-matrix Gla protein,
Uncarboxylated osteocalcin and
Protein induced in vitamin K absence II
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Assessment method [2]
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Timepoint [2]
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Baseline
8 weeks
12 weeks
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Secondary outcome [1]
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5 point Likert scale to assess acceptability of the MK-7 enriched product
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Assessment method [1]
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Timepoint [1]
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Weekly for 8 weeks
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Eligibility
Key inclusion criteria
ESRD established for more than 6 months on centre or satellite haemodialysis,
Stable medical condition,
Over the age of 18 years
Are able to provide informed consent will be eligible to participate.
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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
Therapy with warfarin,
Life expectancy of less than 6 month,
Planned renal transplantation within 3 months,
Intestinal malabsorption or significant gastrointestinal disease,
Inability to provide informed consent.
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Study design
Purpose of the study
Prevention
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Allocation to intervention
Non-randomised trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Not applicable
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Not applicable
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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
Single group
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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
nonparametric Kruskal-Wallis and Mann-Whitney test
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Recruitment
Recruitment status
Withdrawn
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Reason for early stopping/withdrawal
Lack of funding/staff/facilities
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Date of first participant enrolment
Anticipated
1/09/2017
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Actual
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Date of last participant enrolment
Anticipated
1/12/2017
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Actual
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Date of last data collection
Anticipated
1/02/2018
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Actual
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Sample size
Target
30
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Accrual to date
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Final
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Recruitment outside Australia
Country [1]
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New Zealand
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State/province [1]
8671
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Funding & Sponsors
Funding source category [1]
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Self funded/Unfunded
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Name [1]
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To be obtained
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Address [1]
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Not applicable
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Country [1]
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Primary sponsor type
Government body
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Name
Waitemata District Health Board
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Address
Waitemata DHB,
Private Bag 93503,
Takapuna,
Auckland 0740
New Zealand
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Country
New Zealand
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Secondary sponsor category [1]
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None
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Name [1]
294500
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Address [1]
294500
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Country [1]
294500
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Other collaborator category [1]
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University
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Name [1]
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University of Waikato
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Address [1]
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School of Engineering
Private Bag 3105
Waikato 3240
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Country [1]
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New Zealand
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Ethics approval
Ethics application status
Not yet submitted
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Ethics committee name [1]
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Health and Disability Ethics Committee
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Ethics committee address [1]
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Ministry of Health Health and Disability Ethics Committees PO Box 5013 Wellington 6140
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Ethics committee country [1]
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New Zealand
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Date submitted for ethics approval [1]
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01/06/2017
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Approval date [1]
296972
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Ethics approval number [1]
296972
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Summary
Brief summary
Kidney disease is a major public health issue. The provision of dialysis has considerable economic impact; $150 million, 0.9% of the annual health budget is spent on treatment of End Stage Kidney Disease (ESKD) for <0.09% of the NZ population. There has been a steady growth in the number of patients with ESRD of 5-6% over the last 15 years. Cardiovascular disease is the major cause of mortality and a significant cause of morbidity in this group. Menaquinone-7, a Vitamin K2 homologue is rare in the Western diet, has high potency, and a long half-life and may reduce cardiovascular disease. We will trial if a novel health product enriched in Menaquinone-7, is tolerated in up to 30 patients with ESRD. We will determine if the novel health product enriched in Menaquinone-7, will reverse markers of Vitamin K deficiency.
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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 Janak de Zoysa
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Address
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North Shore Hospital,
Private Bag 93503,
Takapuna,
Auckland 0740
New Zealand
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Country
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New Zealand
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Phone
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+6494868900
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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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Aydin Berenjian
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Address
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School of Engineering,
University of Waikato
Private Bag 3105
Hamilton 3240
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Country
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New Zealand
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Phone
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+64 7 858 5119
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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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Aydin Berenjian
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Address
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School of Engineering,
University of Waikato
Private Bag 3105
Hamilton 3240
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Country
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New Zealand
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Phone
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+64 7 858 5119
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Fax
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Email
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[email protected]
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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
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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