Beneficial Effects of a Switch to a Lopinavir/ritonavir-Containing Regimen for Patients with Partial or No Immune Reconstitution with Highly Active...

AIDS Research and Human Retroviruses: "Switching patients to an LPV/r-containing regimen improved CD4+ counts in patients with prior immunologic failure, and this may be due to an effect of LPV/r on apoptosis."