نتایج جستجو برای: abacavir
تعداد نتایج: 949 فیلتر نتایج به سال:
Adverse drug reactions are one of the leading causes of morbidity and mortality in health care worldwide. Human leukocyte antigen (HLA) alleles have been strongly associated with drug hypersensitivities, and the causative drugs have been shown to stimulate specific T cells at the sites of autoimmune destruction. The structural elements recognized by drug-specific T cell receptors (TCRs) in vivo...
OBJECTIVES To compare the response to hepatitis C virus (HCV) therapy among human immunodeficiency virus (HIV)/HCV co-infected patients receiving a nucleos(t)ide reverse transcriptase inhibitor [N(t)RTI] backbone consisting of abacavir plus lamivudine with that observed in subjects who receive tenofovir plus lamivudine or emtricitabine. METHODS A total of 256 subjects, enrolled in a cohort of...
BACKGROUND Human leukocyte antigen (HLA) surface proteins are directly involved in idiosyncratic adverse drug reactions. Herein, we present a structure-based analysis of the common HLA-B*57:01 variant known to be responsible for several HLA-linked adverse effects such as the abacavir hypersensitivity syndrome. METHODS First, we analyzed three X-ray crystal structures involving the HLA-B*57:01...
BACKGROUND Abacavir hypersensitivity is strongly associated with the human leukocyte antigen (HLA)-B*5701 allele; however, the cost of routine high-resolution HLA typing before initiation of therapy remains prohibitive. We propose a simple approach to reduce B*5701-associated abacavir hypersensitivity based on the screening of human immunodeficiency virus (HIV) reverse transcriptase (RT) for a ...
BACKGROUND Two nucleos(t)ide reverse transcriptase inhibitors (NRTIs)--abacavir and didanosine--may each be associated with excess risk of myocardial infarction. The reproducibility of this finding in an independent dataset was explored and plausible biological mechanisms were sought. METHODS Biomarkers, ischemic changes on the electrocardiogram, and rates of various predefined types of cardi...
BACKGROUND Abacavir is a widely-used nucleoside reverse transcriptase inhibitor for the treatment of human immunodeficiency virus (HIV) infection. Mandatory postmarketing surveillance was conducted in Korea to monitor the safety and evaluate the effectiveness of Ziagen® (abacavir sulfate 300 mg; ViiV Healthcare, Middlesex, UK). MATERIALS AND METHODS An open-label, multi-center, non-interventi...
The role of the blood-brain and blood-cerebrospinal fluid (CSF) barriers in the distribution of anti-human immunodeficiency virus (HIV) drugs is integral to the design of effective treatment regimens for HIV infection within the brain. Abacavir (formerly 1592U89) is a nucleoside analog reverse transcriptase inhibitor, which has activity against HIV. The ability of this drug to reach the brain a...
a simple, accurate and precise hptlc- densitometry method for the simultaneousdetermination of abacavir, lamivudine and zidovudine in pharmaceutical tablet has beendeveloped. separation of tablet components was performed on aluminum backed hptlc plates(silica gel 60 f254 20×20 cm with 0.2 mm thickness, camag, muttenz, switzerland ) usingmethanol : chloroform : acetonitrile (4 : 8 : 3 v/v). good...
BACKGROUND No data on once-daily dosing of nucleoside analogues in African children currently exist. We compared the pharmacokinetics (PK) of once- versus twice-daily lamivudine and abacavir treatment using the World Health Organization recommended weight band dosing of scored adult tablets. METHODS HIV type-1 (HIV-1)-infected Ugandan children aged 3-12 years receiving antiretroviral therapy ...
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