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Polymerase chain reaction assays for monitoring antiviral therapy and making therapeutic decisions in the treatment of acouired immunodeficiency syndrome

a technology of acoustic immunodeficiency syndrome and polymerase chain reaction, which is applied in the direction of microbiological testing/measurement, biochemistry apparatus and processes, etc., can solve the problems of unproven adult studies and unproven correlations, and achieve the effects of promoting survival, avoiding deterioration of immune system, and improving the quality of life of hiv-infected patients

Inactive Publication Date: 2006-05-25
THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIV
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AI Technical Summary

Benefits of technology

This approach enables early prediction of immunological decline and allows for timely alteration of treatment regimens, potentially preventing opportunistic infections and improving the quality of life and survival of HIV-infected patients by detecting resistance mutations before they lead to significant immune system compromise.

Problems solved by technology

However, adult studies have not shown a precise correlation between the development of in vitro resistance and progression of HIV disease.

Method used

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  • Polymerase chain reaction assays for monitoring antiviral therapy and making therapeutic decisions in the treatment of acouired immunodeficiency syndrome
  • Polymerase chain reaction assays for monitoring antiviral therapy and making therapeutic decisions in the treatment of acouired immunodeficiency syndrome
  • Polymerase chain reaction assays for monitoring antiviral therapy and making therapeutic decisions in the treatment of acouired immunodeficiency syndrome

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Embodiment Construction

16] The present invention relates to methods of monitoring, via PCR, the clinical progression of HIV infection in patients receiving antiretroviral therapy. For purposes of clarity and not by way of limitation, the detailed description of the invention is divided into the following subsections: [0017] (i) PCR assay of plasma HIV RNA; [0018] (ii) PCR assay of peripheral blood mononuclear cells; [0019] (iii) PCR assay for mutation at codon 215 of HIV reverse transcriptase; and [0020] (iv) utility of the invention.

[0021] It should be noted that heparin appears to have an inhibitory effect on gene amplification via PCR. It is therefore desireable to avoid using heparin as an anticoagulant of patient blood samples. If herapin has been used in a sample, the sample may be purified of heparin, for example, by collecting virus by ultracentrifugation.

[0022] 5.1 PCR Assay of Plasma HIV RNA

[0023] According to the invention, it is desireable to avoid degradation of RNA in plasma samples prior...

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Abstract

The present invention relates to methods of monitoring, via polymerase chain reaction, the clinical progression of human immunodeficiency virus infection and its response to antiretroviral therapy. According to the invention, polymerase chain reaction assays may be used to predict immunological decline and to identify, at an early stage, patients whose infection has become resistant to a particular antiretroviral drug regimen.

Description

1. INTRODUCTION [0001] The present invention relates to methods of monitoring, via polymerase chain reaction, the clinical progression of human immunodeficiency virus infection and its response to antiretroviral therapy. According to the invention, polymerase chain reaction assays may be used to predict immunological decline and to identify, at an early stage, patients whose infection has become resistant to a particular antiretroviral drug regimen. 2. BACKGROUND OF THE INVENTION [0002] Human immunodeficiency virus (HIV) isolated from patients treated with zidovudine (AZT) may demonstrate markedly reduced in vitro susceptibility to AZT (Larder et al., 1989, Science 243:1731-1734; Rooke et al., 1989, AIDS 3:411-415; Land et al., 1990, J. Infect. Dis. 161:326-329; Boucher et al., 1990, Lancet 336:585-590; Japour et al., 1991, Proc. Natl. Acad. Sci. 88:3092-96; Tudor-Williams et al., 1992, Lancet 339:15-19). This reduced susceptibility has been related to the duration of therapy with A...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C12Q1/70C12Q1/68
CPCC12Q1/703C12Q2600/106C12Q2600/156
Inventor KOZAL, MICHAELMERIGAN, THOMASKATZENSTEIN, DAVIDHOLODNIY, MARK
Owner THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIV
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