Title: Anti-human immunodeficiency virus type 1 activities and pharmacokinetics of novel 6-substituted acyclouridine derivatives
Authors: Baba, M ×
De Clercq, Erik
Iida, S
Tanaka, H
Nitta, I
Ubasawa, M
Takashima, H
Sekiya, K
Umezu, K
Nakashima, H #
Issue Date: Dec-1990
Publisher: American Society for Microbiology (ASM)
Series Title: Antimicrobial Agents and Chemotherapy vol:34 issue:12 pages:2358-63
Abstract: The novel 6-substituted acyclouridine derivatives 1-[(2-hydroxyethoxy)methyl]-6-phenylthiothymine (HEPT), 1-[(2-hydroxyethoxy)methyl]-6-(3-methylphenylthio)thymine (HEPT-M), 6-cyclohexylthio-1-[(2-hydroxyethoxy) methyl]thymine (HEPT-H), and 1-[(2-hydroxyethoxy)methyl]-6-phenylthio-2- thiothymine (HEPT-S) have proved to be potent and selective inhibitors of human immunodeficiency virus type 1 (HIV-1) replication in a variety of cell systems, including peripheral blood lymphocytes. They are not inhibitory to the replication of HIV-2. HEPT-S emerged as the most active congener, with a 50% inhibitory concentration of 1.6 microM for HIV-1 (human T-cell lymphotropic virus type IIIB) in MT-4 cells. We also examined the pharmacokinetics of the compounds following oral administration to rats. The pharmacokinetic profile varied considerably from one compound to another. The highest concentration in plasma (7.4 micrograms/ml, or 22.8 microM) was achieved by HEPT-S within 30 min after administration of an oral dose of 20 mg/kg of body weight. HEPT-S can be considered a promising candidate for the treatment of HIV-1 infections.
ISSN: 0066-4804
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Laboratory of Virology and Chemotherapy (Rega Institute)
× corresponding author
# (joint) last author

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