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Identifying the immunologic and virologic consequences of discontinuing antiretroviral therapy in HIV-infected patients is of major importance in developing long-term treatment strategies for patients with HIV-1 infection. We designed a trial to characterize these parameters after interruption of highly active antiretroviral therapy (HAART) in patients who(More)
BACKGROUND Interleukin-2 is an important regulatory cytokine of the immune system, with potent effects on T cells, B cells, and natural killer cells. In vitro, interleukin-2 can induce the proliferation and differentiation of peripheral-blood mononuclear cells from patients infected with the human immunodeficiency virus (HIV). METHODS We treated 25(More)
OBJECTIVE To evaluate the relationship between the HIV viral burden in individuals prior to receiving highly-active antiretroviral therapy (HAART) and the viral burden after withdrawal of HAART. DESIGN AND SETTING Retrospective cohort study at the National Institutes of Health, Bethesda, Maryland, USA. PATIENTS Fourteen HIV-infected patients who(More)
OBJECTIVE The major antiviral effect of interferon (IFN)-alpha on hepatitis C virus (HCV) is blocking of virion production from infected cells. We now investigate the previously unknown mechanism of action of IFN-alpha against HIV. METHODS HIV kinetics in parallel to HCV kinetics and IFN pharmacokinetics during pegylated-IFN-alpha-2b (1.5 microg/Kg q.w.,(More)
Forty-nine outpatients infected with human immunodeficiency virus with baseline CD4 cell counts >/=500/mm3, who were on stable antiretroviral therapy, were randomized to receive 5-day cycles of either low-dose (1.5 million IU [MIU] twice a day) or high-dose (7.5 MIU twice a day) subcutaneous (sc) interleukin (IL)-2 every 4 or every 8 weeks. High-dose(More)
A nonrandomized trial was undertaken to evaluate the combination of didanosine and interferon-alpha (INF-alpha) in human immunodeficiency virus (HIV)-infected patients. Thirty-six volunteers with >200 x 10(6) CD4 cells/L received didanosine (one 100-, 250-, or 375-mg sachet twice daily) for at least 6 weeks, following which IFN-alpha (1, 5, 10, or 15(More)
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