A Study to Evaluate Diagnostic Sensitivity and Specificity of iStatis HBsAg Test at the Point-Of-Care Sites

NCT ID: NCT06368466

Last Updated: 2025-02-21

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

Clinical Phase

NA

Total Enrollment

175 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-04-30

Study Completion Date

2024-12-19

Brief Summary

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A prospective cross-sectional study in which surgically non-invasive sample-taking is done only for the purpose of the study. Capillary (fingerstick) whole blood and EDTA venipuncture whole blood are collected by a healthcare professional. The collected samples of capillary and EDTA whole blood are tested on iStatis and EDTA whole blood sample will be processed to obtain serum and plasma samples to be tested on the iStatis. An aliquot of the collected serum sample will be shipped to the central laboratory for confirmatory testing. The results from iStatis HBsAg Test results will not be used for patient management decisions.

Detailed Description

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From each enrolled patient, a total of 2 different blood samples (capillary and venous whole blood) will be collected, processed, and categorized under the following categories:

\- Sample 1: 50μL of Capillary (fingerstick) (see section 8.6.2) Sample 2: 16ml of Venous whole blood (further extraction of serum, and plasma samples) (see section 8.6.2) Sample 1 consisting of capillary (fingerstick) and Sample 2 venous whole blood sample will be tested on iStatis HBsAg Test on site according to the 'Test Procedure' described in the Instructions for Use (IFU) supplied with the reagents. Sample 2 containing of 1 EDTA and SST venous whole blood samples will be separately processed to obtain plasma and serum samples, respectively, and will be tested onsite on the iStatis. An aliquot of the serum sample stored and frozen at -20ᵒC at the testing site will be transferred to the central laboratory to establish further reference testing. Upon arrival of the sample, it will undergo an initial test using DiaSorin Liaison XL Murex HBsAg Quant Assay, REF. \[310250\] following the IFU of this reference assay. If the first run of the assay yields a "non-reactive/Negative" result, it will be reported as such. However, if the sample is "Reactive/Positive" in the first run of the assay testing, it will be retested on the same assay in duplicate, following the manufacturer's instructions. A final "Reactive/Positive" result means that at least one of the duplicate repeat tests was reactive, if neither of the duplicate repeat tests yields a reactive results, the final report in the DiaSorin Liaison XL Murex HBsAg Quant Assay requires three tests to confirm. Samples with a reportable "Reactive/Positive" result in the DiaSorin Liaison XL Murex HBsAg Quant Assay will undergo further testing using DiaSorin Murex HBsAg Confirmatory assay, REF. \[9F80-01\]. A "Reactive/Positive" result in this test will confirm the presence of the relevant marker.

Conditions

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Hepatitis B Hepatitis B Infection

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

SCREENING

Blinding Strategy

DOUBLE

Participants Caregivers

Study Groups

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iStatis Performance

capillary (fingerstick) blood, EDTA venous whole blood, serum and plasma samples will be tested on iStatis HBsAg Test

Group Type EXPERIMENTAL

iStatis HBsAg Test

Intervention Type DEVICE

capillary (fingerstick) blood, EDTA venous whole blood, serum and plasma samples are tested on the iStatis HBsAg Test

Reference Test to evaluate iStatis Performance

Either serum or plasma samples will undergo reference lab testing using DiaSorin Liaison XL Murex HBsAg Quant Assay and DiaSorin Murex HBsAg Confirmatory assay

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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iStatis HBsAg Test

capillary (fingerstick) blood, EDTA venous whole blood, serum and plasma samples are tested on the iStatis HBsAg Test

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Patients/subjects (males, females, and pregnant women) getting tested for HBV for one or more of the following reasons:

* at risk for HBV
* having signs and symptoms indicative of HBV
* pregnant and have HBV.
* Re-infected with HBV (previously positive)
* Patients/subjects of 18 years or older and, who are able to give/sign the informed consent.

Exclusion Criteria

* Patient younger than 18 years old
* Patients unable to provide written informed consent.
* Patients currently undergoing treatment
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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St Vincent's Hospital Melbourne

OTHER

Sponsor Role collaborator

bioLytical Laboratories

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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St. Vincent's Hospital, Melbourne

Melbourne, Fitzroy Victoria, Australia

Site Status

Countries

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Australia

Other Identifiers

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CLS-016A

Identifier Type: -

Identifier Source: org_study_id

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