Set-up of a biobank for patients with an estimated date of infection seroconverters: store plasma and cells samples at initial contact and during follow-up for future analysis and analysis in international collaborative cohort seroconverters.
Study Type
OBSERVATIONAL
Enrollment
511
Centre Médical du Suivi des Donneurs de Sang (Blood Bank Medical Centre)
Abidjan, Côte d’Ivoire
Centre National de Transfusion Sanguine (National Blood Transfusion Centre)
Abidjan, Côte d’Ivoire
Natural history of HIV infection in Sub-Saharan Africa
Plasmatic HIV viral load and CD4 measured every six months and incidence of morbidity events associated with AIDS
Time frame: 12 months after ART initiation
Estimate the probability of disease progression after HIV seroconversion
Disease progression will be estimated with CD4 cell loss and time from seroconversion to clinical AIDS, death and antiretroviral therapy initiation
Time frame: 12 months after ART initiation
Evolution of markers of HIV infection and immunity
CD4 count, immune activation, plasma HIV-RNA intracellular, HIV-DNA
Time frame: 12 months after ART initiation
Viral genetic diversity description
biomolecular analysis of HIV-1
Time frame: Inclusion (J0)
Primary resistance to antiretroviral treatment
Frequency of primary resistance to antiretroviral treatment (genotyping)
Time frame: Inclusion (J0)
Metabolic and lipodystrophic disorders
Metabolic analysis (Total Cholesterol, HDL and LDL, Triglycerides) and lipodystrophia measurements
Time frame: 12 months after ART initiation
Incidence of pregnancies
Occurence of pregnancies
Time frame: 12 months after ART initiation
T lymphocytes activation and evolution in seroconverters
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Define parameters of activation of T lymphocytes and their evolution since primo-infection among individuals recently infected in West Africa; Expression of markers CD38, HLA-DR, CD28 and CD127 on CD4 and CD8 T cells by flux cytometry
Time frame: Inclusion
T lymphocytes activation and evolution in seroconverters
Define parameters of activation of T lymphocytes and their evolution since primo-infection among individuals recently infected in West Africa; Expression of markers CD38, HLA-DR, CD28 and CD127 on CD4 and CD8 T cells by flux cytometry
Time frame: 12 months after ART initiation