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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT03969225
Registration number
NCT03969225
Ethics application status
Date submitted
10/05/2019
Date registered
31/05/2019
Titles & IDs
Public title
Vascular Access Outcome Measure for Function: a vaLidation Study In haemoDialysis
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Scientific title
Vascular Access Outcome Measure for Function: a vaLidation Study In haemoDialysis (VALID)
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Secondary ID [1]
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AKTN 19.01
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Universal Trial Number (UTN)
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Trial acronym
VALID
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Vascular Access Complication
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Hemodialysis Access Failure (Disorder)
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Condition category
Condition code
Intervention/exposure
Study type
Observational
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Patient registry
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Target follow-up duration
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Target follow-up type
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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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Reporting of vascular access function, defined by the need for any intervention(s) required to enable and maintain the use of a vascular access for haemodialysis. Vascular access interventions to be collected are outlined in the description below.
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Assessment method [1]
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Arteriovenous fistula (AVF)/Arteriovenous graft (AVG)
* Open surgical or endovascular creation/placement of AVF/AVG
* Open surgical revision or endovascular intervention of AVG/AVF
* Thrombolysis or thrombectomy of AVG/AVF
* Ligation or resection of arteriovenous access
* Repair of aneurysm/pseudoaneurysm
* Competing/collateral vein ligation
* Fistulogram (Angiogram) +/- angioplasty +/- stenting (including inflow artery, body of AVF/AVG, venous outflow, central vein)
* Competing/collateral vein embolisation
* Superficialisation/transposition
* Management of Dialysis Associated Steal Syndrome (DASS)/Access Induced Ischaemia. Procedures include:
* Distal Revascularisation, Interval Ligation (DRIL)
* Proximalisation of the Arterial Inflow (PAI)
* Revision Using Distal Inflow (RUDI)
* Banding
Central venous catheter (CVC)
* CVC insertion
* CVC exchange
* Fibrin sheath removal/disruption
* CVC removal
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Timepoint [1]
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6 months
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Secondary outcome [1]
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Rate of vascular access interventions to enable and maintain the use of a vascular access for haemodialysis (number/patient-year).
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Assessment method [1]
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Interventions collected as listed in the Primary Outcome description
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Timepoint [1]
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6 months
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Secondary outcome [2]
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Time to first vascular access intervention to enable and maintain the use of a vascular access for haemodialysis (days).
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Assessment method [2]
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Interventions collected as listed in the Primary Outcome description
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Timepoint [2]
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6 months
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Secondary outcome [3]
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Type of vascular access interventions.
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Assessment method [3]
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Interventions collected as listed in the Primary Outcome description
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Timepoint [3]
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6 months
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Eligibility
Key inclusion criteria
* Patients new to or established on chronic haemodialysis (i.e. incident and prevalent patients on chronic haemodialysis)
* Patients 18 years or more of age
* Able to provide informed consent (if consent is required).
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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
* Anticipated to require haemodialysis for less than 90 days
* Treating team considers patient unsuitable to be enrolled
* Patient or authorised representative not willing to consent (if consent is required).
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Study design
Purpose
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Duration
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Selection
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Timing
Prospective
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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
6/12/2019
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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
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Actual
17/02/2023
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Sample size
Target
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Accrual to date
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Final
702
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Recruitment in Australia
Recruitment state(s)
QLD
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Recruitment hospital [1]
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Princess Alexandra Hospital - Brisbane
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Recruitment hospital [2]
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Mackay Hospital - Mackay
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Recruitment hospital [3]
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Mater Hospital - Brisbane
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Recruitment hospital [4]
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Hervey Bay Hospital - Hervey Bay
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Recruitment postcode(s) [1]
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4110 - Brisbane
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Recruitment postcode(s) [2]
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4740 - Mackay
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Recruitment postcode(s) [3]
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- Brisbane
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Recruitment postcode(s) [4]
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- Hervey Bay
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Recruitment outside Australia
Country [1]
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Canada
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State/province [1]
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Toronto
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Country [2]
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France
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State/province [2]
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Tours
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Country [3]
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Malaysia
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State/province [3]
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Johor Bahru
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Country [4]
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Netherlands
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State/province [4]
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Maastricht
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Country [5]
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Switzerland
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State/province [5]
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Lugano
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Country [6]
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United Kingdom
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State/province [6]
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Sheffield
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Funding & Sponsors
Primary sponsor type
Other
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Name
The University of Queensland
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Address
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Country
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Other collaborator category [1]
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Other
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Name [1]
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Australasian Kidney Trials Network
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Address [1]
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Country [1]
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Ethics approval
Ethics application status
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Summary
Brief summary
A functioning vascular access provides a lifeline for patients requiring haemodialysis but vascular access dysfunction remains one of the leading causes of excessive morbidity, mortality and healthcare costs in this group. Despite increasing numbers of vascular access trials, successful interventions to improve vascular access function have been sparse and compromised by highly variable, often selectively reported outcome measures of limited relevance to patients and health professionals. Through engagement of all relevant stakeholders including patients and caregivers, vascular access function, defined by the need for interventions to enable and maintain the use of a vascular access for haemodialysis, has been identified as one of the most critically important outcome measures for trials in haemodialysis. This prospective, multi-centre, multinational validation study aims to assess the accuracy and feasibility of measuring vascular access function part of routine clinical practice and across different clinical settings to ensure successful global implementation of this core outcome measure in future trials in haemodialysis.
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Trial website
https://clinicaltrials.gov/study/NCT03969225
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Trial related presentations / publications
Viecelli AK, Teixeira-Pinto A, Valks A, Baer R, Cherian R, Cippa PE, Craig JC, DeSilva R, Jaure A, Johnson DW, Kiriwandeniya C, Kopperschmidt P, Liu WJ, Lee T, Lok C, Madhan K, Mallard AR, Oliver V, Polkinghorne KR, Quinn RR, Reidlinger D, Roberts M, Sautenet B, Hooi LS, Smith R, Snoeijs M, Tordoir J, Vachharajani TJ, Vanholder R, Vergara LA, Wilkie M, Yang B, Yuo TH, Zou L, Hawley CM; VALID Investigator Team. Study protocol for Vascular Access outcome measure for function: a vaLidation study In hemoDialysis (VALID) : A multi-center, multinational validation study to assess the accuracy and feasibility of measuring vascular access function in clinical practice. BMC Nephrol. 2022 Nov 19;23(1):372. doi: 10.1186/s12882-022-02987-1.
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Public notes
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Contacts
Principal investigator
Name
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Andrea Viecelli, MD, FRAC
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Address
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Princess Alexandra Hospital and Australasian Kidney Trials Network
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Country
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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
Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
Yes
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What data in particular will be shared?
Individual participant data that underlie the results reported in the primary publication, after deidentification (text, tables, figures and appendices) will be available for individual participant data meta-analysis.
Supporting document/s available: Study protocol, Statistical analysis plan (SAP)
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When will data be available (start and end dates)?
This process will be in effect for a period of 2 to 5 years following publication of the main study results. Proposals may be submitted up to 5 years following article publication. After 5 years, the data will be available in the Sponsor's data warehouse but without investigator support other than deposited metadata.
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Available to whom?
An independent review board will assess proposals based on the following criteria: sound science, benefit-risk balancing and research team expertise.
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Available for what types of analyses?
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How or where can data be obtained?
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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/NCT03969225