human immunodeficiency virus (HIV)
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: •Documented HIV-infection •Age >= 18 years •On stable antiretroviral therapy (ART) for >= 6 months at screening •Undetectable plasma HIV viral load ( 300 cells/mm3 at last measurement •Current ART regimen at screening consisting of a backbone of two NRTI*s (either TDF/FTC or ABC/3TC) with either a NNRTI (EFV or RPV) or a boosted PI (DRV/r, ATZ/r or LPV/r) and on this regimen for > 3 months •If female and of childbearing potential using effective birth control methods
Exclusion criteria
Exclusion criteria: •Use of platelet function inhibitors, such as aspirin and ADP receptor antagonists •Known hypersensitivity to raltegravir or any other component of the formulation •Using any concomitant therapy disallowed as per SPC for the study drug •Signs of symptoms of an active (opportunistic) infection other than HIV •Active hepatitis B or C •Estimated glomerular filtration rate (by MDRD)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Platelet reactivity: platelet expression of the platelet activation marker CD62P (P-selectin) and activated fibrinogen receptor (aIIbβ3) upon stimulation with different platelet agonists. 2. Platelet-leukocyte aggregates (eg. PMA). 3. Proportion of CD14+CD16 ++(bright) monocytes compared to CD14+CD16- and activation state of monocytes (CD11b expression) and lymphocytes (CD38+ HLA-DR+ CD8+ T cells). 4. Soluble (plasma) markers of platelet and monocyte activation. | — |
Secondary
| Measure | Time frame |
|---|---|
| Investigate whether switch to raltegravir is associated with: a) reduced activation status of monocytes and of CD4 and CD8 lymphocytes b) reduced expression of CCR5 on monocytes and CD4+ T-lymphocytes c) reduced plasma levels of inflammatory markers (eg. hs-CRP, several cytokines) d) epigenetic changes (eg. Histone methylation) e) altered IL-32 expression and splicing | — |
Countries
Netherlands