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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT05144776
Registration number
NCT05144776
Ethics application status
Date submitted
22/11/2021
Date registered
3/12/2021
Date last updated
12/03/2024
Titles & IDs
Public title
Evaluation of Hepatitis B Virus (HBV) DNA Test as Point of Care Tool
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Scientific title
Evaluation of Novel Hepatitis B DNA Test From Capillary Blood at the Point-of-care as a Tool to Enhance Clinical Management
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Secondary ID [1]
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VHCRP 2103
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Universal Trial Number (UTN)
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Trial acronym
HBVPOCT
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Hepatitis B
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Condition category
Condition code
Infection
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Other infectious diseases
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Oral and Gastrointestinal
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Other diseases of the mouth, teeth, oesophagus, digestive system including liver and colon
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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
Diagnosis / Prognosis - GeneXpert HBV DNA Viral Load Assay
Diagnosis / Prognosis - Dried Blood Spot HBV DNA test
Chronic hepatitis B - 300 patients diagnosed with chronic hepatitis B will be enrolled. A fingerstick HBV DNA test will be performed using the Xpert HBV Viral Load assay, and a dried blood spot sample will be collected which will be tested using a gold standard HBV DNA viral load assay. Both results will be compared against the HBV DNA viral load from standard of care venous blood using the gold standard HBV DNA viral load assy. Enrolment of HBV DNA undetectable participants will be capped at 100.
Diagnosis / Prognosis: GeneXpert HBV DNA Viral Load Assay
The Xpert venous blood HBV DNA viral load assay will be adapted to operate using fingerstick capillary blood samples.
Diagnosis / Prognosis: Dried Blood Spot HBV DNA test
HBV DNA viral load will be measured from a fingerstick capillary dried blood spot sample using a gold standard HBV DNA viral load assay
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Intervention code [1]
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Diagnosis / Prognosis
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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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Assess performance of Xpert HBV DNA viral load assay using novel fingerstick capillary blood collection and HBV DNA viral load using fingerstick capillary Dried Blood Spot sample collection.
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Assessment method [1]
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Evaluate the diagnostic performance of the Xpert HBV viral load assay and DBS samples using fingerstick capillary blood compared with the gold standard venous blood HBV DNA viral load assay
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Timepoint [1]
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At completion of enrolment
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Secondary outcome [1]
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Evaluate diagnostic performance of the novel tests by hepatitis B e-antigen status
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Assessment method [1]
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Evaluate the diagnostic performance of the Xpert HBV viral load assay and DBS samples using fingerstick capillary blood compared with the gold standard venous blood HBV DNA viral load assay by 'Hepatitis B e-antigen status (among e-antigen positive and e-antigen negative patients).
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Timepoint [1]
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At completion of enrolment
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Secondary outcome [2]
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Evaluate diagnostic performance of the novel tests by HBV treatment status
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Assessment method [2]
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Evaluate the diagnostic performance of the Xpert HBV viral load assay and DBS samples using fingerstick capillary blood compared with the gold standard venous blood HBV DNA viral load assay by HBV treatment status (among treatment naïve patients and those receiving treatment)
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Timepoint [2]
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At completion of enrolment
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Secondary outcome [3]
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Evaluate diagnostic performance of the novel tests by HBV DNA levels
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Assessment method [3]
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Evaluate the diagnostic performance of the Xpert HBV viral load assay and DBS samples using fingerstick capillary blood compared with the gold standard venous blood HBV DNA viral load assay by HBV DNA levels (among patients with HBV DNA \<20 IU/mL; between 20 and 2,000 IU/mL, between 2,000 and 20,000 IU/mL; between 20,000 and 200,000 IU/mL; and \>200,000 IU/mL).
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Timepoint [3]
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At completion of enrolment
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Eligibility
Key inclusion criteria
* Have voluntarily signed the informed consent form, 18 years of age or older, HBsAg positive
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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
* Nil
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Study design
Purpose
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Duration
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Selection
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Timing
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Statistical methods / analysis
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Recruitment
Recruitment status
Recruiting
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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
17/11/2022
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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
1/12/2025
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Actual
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Sample size
Target
300
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
NSW,VIC
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Recruitment hospital [1]
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St Vincent's Hospital - Sydney
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Recruitment hospital [2]
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Prince of Wales Hospital - Sydney
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Recruitment hospital [3]
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STORR Liver Centre Westmead Hospital - Sydney
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Recruitment hospital [4]
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Blacktown Hospital - Sydney
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Recruitment hospital [5]
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Liverpool Hospital - Sydney
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Recruitment hospital [6]
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St Vincent's Hospital Melbourne - Melbourne
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Recruitment postcode(s) [1]
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2010 - Sydney
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Recruitment postcode(s) [2]
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2031 - Sydney
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Recruitment postcode(s) [3]
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2145 - Sydney
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Recruitment postcode(s) [4]
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2148 - Sydney
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Recruitment postcode(s) [5]
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2170 - Sydney
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Recruitment postcode(s) [6]
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3065 - Melbourne
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Funding & Sponsors
Primary sponsor type
Government body
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Name
Kirby Institute
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
This is a cross sectional observational study to asses the performance of two novel HBV DNA testing methodologies; a) dried blood spot sampling and b) fingerstick capillary blood using the Xpert® Hepatitis B Virus viral load assay. Both novel testing methodologies will be compared with venous blood tested using a gold standard HBV DNA assay. The sensitivity and specificity of the two novel testing will be evaluated. HBV viral load tests are essential to guide antiviral treatment eligibility and effectiveness. However, many people are unable to access these tests, particularly those living in remote or limited resources settings given high cost, or unavailable infrastructure. Simple, affordable and accessible HBV viral load tests are required to increase global access to HBV testing and treatment to meet the WHO HBV elimination targets. The GeneXpert Diagnostic Systems, the most common molecular point-of-care platform globally, has the potential to provide simple and affordable HBV viral load tests. Dried Blood Spot testing is also an affordable and accessible testing methodology particularly suited to remote and resource limited settings. This proof-of-concept study will assess the feasibility and diagnostic performance of Xpert® HBV Viral Load test and Dried Blood Spot testing for the quantitation of HBV DNA from fingerstick capillary samples.
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Trial website
https://clinicaltrials.gov/study/NCT05144776
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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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Gail V Matthews, MBChB
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Address
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The Kirby Institute, University of New South Wales Australia
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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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Elise Tu
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Address
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Country
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Phone
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+61 2 9385 0886
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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
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
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT05144776
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