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Trial registered on ANZCTR
Registration number
ACTRN12611000577910
Ethics application status
Approved
Date submitted
14/01/2010
Date registered
6/06/2011
Date last updated
6/06/2011
Type of registration
Retrospectively registered
Titles & IDs
Public title
Influence of hemodialysis, hemodiafiltration and peritoneal dialysis on asymmetric dimethylarginine and markers of oxidative stress
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Scientific title
Influence of hemodialysis, hemodiafiltration and peritoneal dialysis on asymmetric dimethylarginine and markers of oxidative stress in patients with chronic renal failure.
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Secondary ID [1]
1011
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CRG030600046
Cochrane Renal Group
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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:
End stage renal disease
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Condition category
Condition code
Metabolic and Endocrine
256700
256700
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0
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Diabetes
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Eight weeks of hemodialysis (HD, low-flux polysulfone membrane) versus eight weeks of on-line predilution hemodiafiltration (HDF, high-flux polysulfone membrane, susbstitution volume 200 mL/min)), duration of both HD and HDF was 4.5 hrs/session 3 times a week. Crossover study, 1 week break in between.
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Intervention code [1]
255807
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Treatment: Devices
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Comparator / control treatment
Controls were volunteers without renal disease and without treatment. We studied baseline values of controls, 20 HD patients and 19 peritoenal dialysis patients. Then, randomly selected 16 HD patients were randomized to crossover study, 8 started with HD, 8 with HDF.
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Control group
Active
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Outcomes
Primary outcome [1]
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Change in plasma levels of asymmetric dimethylarginine (ADMA), advanced glycation end-products and homocystein after a period of 8 weeks of hemodiafiltration or hemodialysis. This primary outcome is being done in patients with end stage renal disease.
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Assessment method [1]
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Timepoint [1]
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after 8 weeks of treatment
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Secondary outcome [1]
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Nil
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Assessment method [1]
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Timepoint [1]
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Nil
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Eligibility
Key inclusion criteria
Patients: persons on maintenance hemodialysis or peritoneal dialysis for at least 3 months. Controls: healthy volunteers withou renal disease.
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Minimum age
18
Years
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Maximum age
90
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
Unstable clinical condition, infection, malignancy
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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)
Trial subjects for HD and HDF were randomised using simple randomisation (random numbers table)
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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
Crossover
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Other design features
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Phase
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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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Date of first participant enrolment
Anticipated
1/06/2007
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Actual
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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
60
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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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Czech Republic
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State/province [1]
2048
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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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Research Project No. MSM 0021620819, Ministry of Health, Czech Republic.
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Address [1]
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Ministry of Health,
Palackeho square 4
128 01 Praha 2
Czech Republic
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Country [1]
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Czech Republic
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Primary sponsor type
Government body
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Name
Research Project No. MSM 0021620819, Ministry of Health, Czech Republic.
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Address
Ministry of Health,
Palackeho square 4
128 01 Praha 2
Czech Republic
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Country
Czech Republic
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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]
251618
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Country [1]
251618
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Ethics Commitee
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Ethics committee address [1]
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Medical School and Teaching Hospital Plzen 13 dr. E. Benese 301 00 Plzen Czech Republic
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Ethics committee country [1]
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Czech Republic
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Date submitted for ethics approval [1]
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26/01/2006
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Approval date [1]
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26/02/2006
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Ethics approval number [1]
258384
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Summary
Brief summary
Increased ADMA levels in patients undergoing HD, as compared to PD, may be caused by higher oxidative stress and lower residual renal function in HD. Other factors, such as diabetes and statin therapy, may also be at play. The decrease in ADMA at the end of HD and HDF is comparable. Switching from HD to HDF decreases in 8 weeks the predialysis levels of homocysteine without affecting ADMA.
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Trial website
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Trial related presentations / publications
Published in Artif Organs. 2010 May;34(5):420-5. Asymmetric dimethylarginine in hemodialysis, hemodiafiltration, and peritoneal dialysis. Eiselt J, Rajdl D, Racek J, Siroká R, Trefil L, Opatrná S.
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Public notes
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Contacts
Principal investigator
Name
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Address
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Country
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Phone
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Fax
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Email
30180
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Contact person for public queries
Name
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Dr, Jaromir, Eiselt
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Address
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Lecturer, Department of Internal Medicine I, Charles University, School of Medicine, Alej Svobody 80, 304 60, Plzen, Czech Republic
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Country
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Czech Republic
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Phone
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+420 377 103 925
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Fax
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+420 377 103 920
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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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Dr, Jaromir, Eiselt
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Address
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Lecturer, Department of Internal Medicine I, Charles University, School of Medicine, Alej Svobody 80, 304 60, Plzen, Czech Republic
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Country
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Czech Republic
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Phone
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+420 377 103 925
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Fax
4355
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+420 377 103 920
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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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