viral load test


Also found in: Dictionary.

viral load test

Lab medicine A test that measures HIV RNA for prognosis and/or to monitor the efficacy of anti-HIV drug regimens

Viral load test

A new blood test for monitoring the speed of HIV replication in AIDS patients. The viral load test is based on PCR techniques and supplements the CD4+ cell count tests.
Mentioned in: AIDS Tests
References in periodicals archive ?
Everyone had at least two viral load tests during that time, with at least 30 days between the first test and the last test.
She recently learned that a viral load test is available at Harvard University on an experimental basis, and she is making arrangements with her physician to access this.
The goal of treatment is to reduce the amount of virus in the bloodstream to so low a level it cannot be detected by a sensitive viral load test.
Engaged in care meant having at least one CD4 count or viral load test during 2010
These sources were (1) previous surveys conducted by the investigators concerning physician preferences for information that should be contained in an HIV-1 testing report, (2) a focus group of physicians in preventive medicine who also provided information they thought should appear in an HIV-1 testing report, (3) HIV-1 testing reports we have previously examined (the investigators have examined some 800 HIV-associated test reports over the years and published information on a sample of these reports), (12,13) (4) a survey of physicians concerning viral load testing, and (5) a workgroup on viral load test reporting conducted at the Human Retrovirus and Hepatitis C Testing Conference, Charlotte, NC, March 2000, as described above.
That idea first began to crumble in 1993, when researchers using a kind of home-brew viral load test published a report in the prestigious journal Science demonstrating that significant levels of HIV are present at all stages of disease.
Another viral load test, made by Roche Diagnostic Systems of Branchburg, N.
Table 5-3: Distribution of Respondents Reporting HBV Viral Load Test Use by Vendor and End User (Hospitals by Bed Size, Ref Labs)
If the viral load test result for rabies vaccine series offered will be lower than its numerical value declared in the Summary of Product Characteristics Veterinary Contractor within 7 days of receipt of the results of the research will provide a series of vaccines for viral load consistent with the Summary of Product Characteristics medicinal Veterinary confirmed relevant research.
The goal of antiretroviral therapy for anyone receiving treatment is to reach and maintain an undetectable viral load, which means fewer than 25 to 75 HIV RNA copies per milliliter of blood, depending on which viral load test is used.
This should not impact HCV viral load test design, as current PCR assays have a cutoff of the linear range around 10 to 15 IU/mL, which is probably about as good as it is going to get and sensitive enough for clinical needs.
Incorrect diagnosis of treatment failure in the absence of a confirmatory viral load test leads to inappropriate switching to more expensive and toxic second-line regimens.