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Human immunodeficiency virus vaccine

a technology of immunodeficiency virus and vaccine, which is applied in the field of human immunodeficiency virus, can solve the problems of impeded efforts to develop a hiv vaccine having the desired effect, extraordinary variability of hiv, and rapid and extensive hiv mutations

Inactive Publication Date: 2006-01-12
DUKE UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The extraordinary ability of HIV to mutate, the inability of many currently known specificities of anti-HIV antibodies to consistently neutralize HIV primary isolates, and the lack of a complete understanding of the correlates of protective immunity to HIV infection have impeded efforts to develop an HIV vaccine having the desired effectiveness.
A key obstacle to HIV vaccine development is the extraordinary variability of HIV and the rapidity and extent of HIV mutation (Win-Hobson in The Evolutionary biology of Retroviruses, SSB Morse Ed.

Method used

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  • Human immunodeficiency virus vaccine
  • Human immunodeficiency virus vaccine
  • Human immunodeficiency virus vaccine

Examples

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Effect test

example 1

Studies of Th-CTL Mutivalent in HLA B7+ Humans

[0037] Immunogenicity and Safety of the C4-V3 Th-CTL Polyvalent Immunogen in HIV Seropositive Patients with CD4+ T Cell Counts>500 / mm3 (DATRI010). The DATR010 human trial of the C4-V3 PV immunogen has been completed (Bartlett et al, AIDS Res. Hum. Retro. 12:1291-1300 (1998)). The immunogen was 4 Th-CTL peptides with the Th epitope the same in each peptide and the CTL peptide was four variants of a B7-restricted env CTL epitope (Haynes, Res. Human Retro. 11:211-221 (1995), Beddows et al, J. Gen. Virol. 79:77-82 (1998), Table 5). Ten HIV-infected, HLA B7-positive patients with CD4+ T cells>500 / mm3 were enrolled. Eight patients received 2 mg of C4-V3 polyvalent immunogen (ie, 500 μg of each peptide) emulsified in incomplete Freund's adjuvant (Seppic ISA51) IM X5 over 24 weeks, and 2 controls received ISA51 IM alone. Vaccine recipients had excellent boosts of Th proliferative levels and neutralizing antibody levels to TCLA HIV (Bartlett et ...

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Abstract

The present invention relates, in general, to human immunodeficiency virus (HIV) and, in particular, to an HLA-based HIV vaccine.

Description

[0001] This is a continuation-in-part of application Ser. No. 09 / 497,497, filed Feb. 4, 2000, now pending, the entire contents of which is incorporated herein by reference.TECHNICAL FIELD [0002] The present invention relates, in general, to human immunodeficiency virus (HIV) and, in particular, to an HLA-based HIV vaccine. BACKGROUND [0003] As the HIV epidemic continues to spread world-wide, the need for an effective HIV vaccine remains urgent. The extraordinary ability of HIV to mutate, the inability of many currently known specificities of anti-HIV antibodies to consistently neutralize HIV primary isolates, and the lack of a complete understanding of the correlates of protective immunity to HIV infection have impeded efforts to develop an HIV vaccine having the desired effectiveness. [0004] Although a majority of HIV-infected subjects develop acquired immunodeficiency syndrome (AIDS), approximately 10-15% of patients are AIDS-free after 10 years of infection, and are termed non-pr...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61K39/00A61K39/21C12N15/09A61P31/18C07K14/16C07K14/725
CPCA61K2039/57C07K14/005Y10S530/826C12N2740/16034C12N2740/16122C12N2740/15022A61P31/18A61P37/02A61K38/04
Inventor HAYNES, BARTONLIAO, HUA-XINLETVIN, NORMAN
Owner DUKE UNIV
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