نتایج جستجو برای: zidovudine
تعداد نتایج: 2706 فیلتر نتایج به سال:
Hematologic abnormalities are often seen in patients infected with human immunodeficiency virus (HIV). The effect of HIV infection of bone marrow stroma on support of uninfected CD34 progenitor cells in long-term bone marrow culture (LTBMC) was investigated. Results show that HIV-infected bone marrow stroma was unable to adequately support CD34 progenitor cells in vitro. Zidovudine or didanosin...
The matrix tablets were prepared by using Eudragit L 100, Poly ethylene oxide and Carbopol 971 P. The granules of Zidovudine using above polymers were prepared by direct mixing, wet granulation with water and wet granulation with IPA. The granules were characterized for the morphological study, bulk density, tapped density and particle size distribution. The granules were compressed in to table...
A high-performance liquid chromatographic method was developed and validated for the determination of two antiretroviral drugs viz. Zidovudine and Lamivudine in combined pharmaceutical tablets. The different analytical performance parameters such as linearity, precision, accuracy, specicity, limit of detection (LOD) and limit of quantication (LOQ) were determined. Chromatography was carried o...
Nucleotide sequences of regions of the envelope (env) and polymerase (po/) genes of human immunodeficiency virus type 1 (HIV-1) proviral DNA were obtained from sequential blood and autopsy samples from an AIDS patient who had been treated with zidovudine for 9 months, Phylogenetic analyses showed that a reduction in genetic heterogeneity of the env regions of viruses present in the proviral blo...
Novel zidovudine derivatives, able to be covalently conjugated to silica surface, have been obtained and grafted to SBA-15 mesoporous silica. Cytotoxic activity of the hybrid organic-inorganic (zidovudine derivatives-silica) systems against HeLa and KB cell lines has been analyzed. Addition of folic acid had a positive influence on the cytotoxicity. Up to 69% of HeLa and 65% of KB tumor cells g...
Data on zidovudine pharmacokinetics in children dosed using World Health Organization weight bands are limited. About 45 HIV-infected, Ugandan children, 3.4 (2.6-6.2) years, had intensive pharmacokinetic sampling. Geometric mean zidovudine AUC0-12h was 3.0 h.mg/L, which is higher than previously observed in adults, and was independently higher in those receiving higher doses, younger and underw...
Impact of HIV Infection and Zidovudine Therapy on RBC Parameters and Urine Methylmalonic Acid Levels
Background. Anaemia is a common complication of human immunodeficiency virus (HIV) infection. The aim of this study was to investigate the impact of HIV infection and zidovudine on red blood cells (RBC) parameters and urine methylmalonic acid (UMMA) levels in patients with HIV infection. Material and Methods. A cross-sectional study involving 114 subjects, 94 of which are HIV-infected nonanaemi...
Cynomolgus monkeys had microdialysis probes implanted under ketamine anesthesia into peripheral veins, thigh muscles, and the brain in order to sample the extracellular fluid for the concentrations of unbound nucleoside analogs. A dose of 25 mg of zidovudine or 3'-fluoro-3'-deoxythymidine (FLT) per kg was administered subcutaneously to each of three animals. Relatively high antiviral concentrat...
Zidovudine therapy, CD4+ and CD8+ counts are associated with a longer survival following AIDS onset.
In 60 patients followed from the onset of acquired immunodeficiency syndrome (AIDS) to death, survival was determined by Cox Proportional Hazards Analysis in relationship to seven variables: time-dependent CD4+ and CD8+ peripheral lymphocyte counts, zidovudine treatment, cytomegalovirus (CMV) retinitis, time from AIDS onset, calendar year of AIDS onset (cohort effect), and age. Two significant ...
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