Vascular Access Outcome Measure for Function: a vaLidation Study In haemoDialysis

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

702 participants

Study Classification

OBSERVATIONAL

Study Start Date

2019-12-06

Study Completion Date

2023-02-17

Brief Summary

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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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Detailed Description

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Haemodialysis is the most common treatment for patients with end-stage kidney disease worldwide and can only be provided via a functional vascular access. Patients, caregivers and health professionals consider vascular access function one of the most critically important outcomes in haemodialysis but trial-based evidence to improve vascular access function is limited by the inconsistent and selective reporting of this outcome. Reporting of a standardised outcome measure for vascular access function across all trials in haemodialysis will enhance the consistency and relevance of trial evidence to guide patient-centred care. Based on international contribution of all relevant stakeholders including patients, the need of interventions to enable and maintain the use of a vascular access for haemodialysis was considered a simple, pragmatic, and meaningful measure of vascular access function. To ensure global implementation across all trial in haemodialysis, it needs to be feasible to accurately collect this outcome measure as part of routine clinical practice without requiring additional resources or expertise in vascular access.

VALID is a prospective, multi-centre, multinational validation study to assess the accuracy and feasibility of measuring vascular access function, defined by the need for interventions to enable and maintain the use of a vascular access for haemodialysis by clinical staff as part of their routing clinical practice and across different clinical settings.

The primary objective of the VALID study is to determine whether vascular access function can be measured accurately by clinical staff as part of routine clinical practice compared to the reference standard of a research team with expertise in vascular access during a 6-month follow-up period.

An estimated 612 participants will be recruited from approximately 10 dialysis units of difference size, type (home-, in-centre and satellite), governance (private versus public), and location (rural versus urban) across Australia, Canada, China, France, United Kingdom, Netherlands, Malaysia and the United States of America (USA).

Implementation of a validated outcome measure for vascular access function across clinical trials will improve the reliability, comparability and relevance of future research in haemodialysis to inform patient-centred care.

Conditions

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Vascular Access Complication Hemodialysis Access Failure (Disorder)

Study Design

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Observational Model Type

OTHER

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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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).

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).

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No