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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01705041
Other study ID # DFA LFT Study
Secondary ID
Status Completed
Phase N/A
First received August 21, 2012
Last updated January 29, 2013
Start date June 2012
Est. completion date December 2012

Study information

Verified date January 2013
Source PATH
Contact n/a
Is FDA regulated No
Health authority Vietnam: Ho Chi Minh City Health ServiceUnited States: Food and Drug Administration
Study type Interventional

Clinical Trial Summary

The proposed preliminary field evaluation will compare a point-of-care (POC) transaminase test with the standard of care test used in an HIV clinic at the Hospital for Tropical Diseases in Ho Chi Minh City, Vietnam.


Description:

The DFA transaminase test provides rapid categorical measurement of ALT in a whole blood specimen taken via finger-stick. The test is based on the platform technology of "paper microfluidics" (also known as "patterned paper"), in which hydrophobic barriers are patterned into a sheet of paper in order to create microfluidic, hydrophilic paths within the paper, through which flow can be directed towards specific detection zones. The test is designed for visual color-coded readout in three ALT ranges ("bins") that correspond to the ranges of AST and ALT (<3x the upper limit of normal (ULN), 3-5x ULN, and >5x ULN) currently used for clinical management decisions per US TB and HIV treatment guidelines. The bin cutoffs are common to treatment guidelines used around the globe, including those used by the Vietnam Ministry of Health.

The colorimetric readout is designed to be read by eye using a visual "read guide" allowing the reader to make a semi-quantitative estimate or assign a categorical value into one of three bins. Alternatively, if the device is scanned (e.g. desk-top scanner) or photographed (e.g. cell phone or standard digital camera, see (9)) and read with image-analysis software, it should be possible to generate a quantitative result. Additionally, multiple control zones notify the user of insufficient sample volume, hemolysis, or damaged reagents.

The overall goal of this study is to conduct a preliminary field evaluation of an investigational transaminase test in a population at risk for DILI. The primary objectives are:

1. Determine device accuracy by measuring the percent agreement of the categorical visual readout DFA transaminase test and the standard of care tests used in the HTD HIV clinic.

2. Determine inter-operator variability.

3. Determine device failure rate as defined by invalid test results.


Recruitment information / eligibility

Status Completed
Enrollment 700
Est. completion date December 2012
Est. primary completion date August 2012
Accepts healthy volunteers No
Gender Both
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Adult (>18 years old) patients receiving HIV treatment through the HTD clinic

- Must be receiving routine scheduled ALT monitoring on day of enrollment

- Willing to undergo finger-stick in addition to routine care

- Must be able to provide informed consent.

Exclusion Criteria:

- HIV-negative, or HIV-positive but not on treatment

- Not receiving transaminase monitoring for routine care

- Unable or unwilling to provide informed consent

- Less than 18 years old

Study Design

Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Diagnostic


Related Conditions & MeSH terms


Intervention

Device:
Diagnostics for All liver function test (LFT)
HIV clinic patients meeting targeted enrollment criteria will give fingerstick blood for use on investigational LFT in comparison to routine transaminase test performed at the clinic lab (gold standard)

Locations

Country Name City State
Vietnam Hospital for Tropical Diseases Ho Chi minh City

Sponsors (1)

Lead Sponsor Collaborator
PATH

Country where clinical trial is conducted

Vietnam, 

Outcome

Type Measure Description Time frame Safety issue
Primary percent agreement with gold standard test Determine device accuracy by measuring the percent agreement of the categorical visual readout DFA transaminase test and the standard of care tests used in the HTD HIV clinic. at time of draw No
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