Vaccination With Autologous Dendritic Cells Pulsed With HIV-Antigens for Treatment of Patients With Chronic HIV-Infection

Summary

Phase I test of concept study: In an attempt to induce new immunity to HIV-1 during untreated HIV-1 infection the investigators have identified relatively immune silent immune subdominant HLA-A2-restricted HIV-1 CTL epitopes that fit individuals with the HLA-A2 tissue type (about 50% of peoples in Denmark). Immunising with these conserved epitopes could induce new immunity and lower viral load so the patient will live longer before AIDS or Antiviral medicine and a lower viral load will limit spread in the population. As adjuvants the investigators used patients' own autologous Dendritic Cells generated from blood cells in vitro. 12 healthy male HIV-1 infected not in therapy individuals were used for this therapeutic vaccination and tested for safety and induction of new cellular CD8 and CD4 T-cell immunity.

Timeline

Start

2007-01

Primary completion

2008-04

Completion

2008-10

Publications

• Background Thorn M, Tang S, Therrien D, Kloverpris H, Vinner L, Kronborg G, Gerstoft J, Corbet S, Fomsgaard A. Sequence conservation of subdominant HLA-A2-binding CTL epitopes in HIV-1 clinical isolates and CD8+ T-lymphocyte cross-recognition may explain the immune reaction in infected individuals. APMIS. 2007 Jun;115(6):757-68. doi: 10.1111/j.1600-0463.2007.apm_595.x.

Drugs

Indications