摘要:
Carboranyl-containing nucleosides and oligonucleotides are provided for use in boron neutron capture therapy (BNCT) and for other therapeutic and diagnostic purposes.
摘要:
Carboranyl-containing nucleosides and oligonucleotides are provided for use in boron neutron capture therapy (BNCT) and for other therapeutic and diagnostic purposes.
摘要:
2′-Fluoro-nucleoside compounds are disclosed which are useful in the treatment of hepatitis B infection, hepatitis C infection, HIV and abnormal cellular proliferation, including tumors and cancer. The compounds have the general formulae: wherein Base is a purine or pyrimidine base; R1 is OH, H, OR3, N3, CN, halogen, CF3, lower alkyl, amino, loweralkylamino, di(lower)alkylamino, or alkoxy; R2 is H, phosphate, or a stabilized phosphate prodrug; acyl, or other pharmaceutically acceptable leaving benzyl, a lipid, an amino acid, peptide, or cholesterol; and R3 is acyl, alkyl, phosphate, or other pharmaceutically acceptable leaving group; or a pharmaceutically acceptable salt thereof.
摘要:
A method of treatment of: i) HIV-1 infections in mammals, including humans; or ii) HBV infections in mammals, including humans; which method comprises the administration to the human in need of such treatment, an effective amount of the (R)-enantiomer of the triphosphate of a compound of formula (A) or a pharmaceutically acceptable salt thereof; and compounds for use in the method.
摘要:
Combinations of antiretroviral nucleoside reverse transcriptase inhibitors, and methods for their use in treating retroviral infections, are provided. In one embodiment, the combinations include non-thymidine nucleoside antiretroviral agents, such as tenofovir-DF, abacavir, APD and DAPD, that select for the K65R mutation and relatively low doses of zidovudine (AZT) or other thymidine nucleoside antiretroviral agents. The thymidine nucleoside antiretroviral agents retard development of the K65R mutation, and at the low doses, are less likely to produce side effects. In another embodiment, the combinations include DAPD and AZT. DAPD retards the development of TAMs, and AZT retards the development of the K65R mutation. In a third embodiment, the combinations include adenine, cytosine, thymidine, and guanine nucleoside antiviral agents, in further combination with at least one additional antiviral agent that works via a different mechanism than a nucleoside analog. This combination has the potential to eliminate the presence of HIV in an infected patient.
摘要:
A process for the resolution of a racemic mixture of nucleoside enantiomers that includes the step of exposing the racemic mixture to an enzyme that preferentially catalyzes a reaction in one of the enantiomers. The nucleoside enantiomer (−)-2-hydroxymethyl-5-(5-fluorocytosin-1-yl)-1,3-oxathiolane is an effective antiviral agent against HIV, HBV, and other viruses replicating in a similar manner.
摘要:
A method and composition for the treatment of HIV and HBV infections in humans is disclosed that includes administering an effective amount of 2-hydroxymethyl-5-(5-fluorocytosin-1-yl)-1,3-oxathiolane, a pharmaceutically acceptable derivative thereof, including a 5′ or N4 alkylated or acylated derivative, or a pharmaceutically acceptable salt thereof, in a pharmaceutically acceptable carrier.A process for the resolution of a racemic mixture of nucleoside enantiomers is also disclosed that includes the step of exposing the racemic mixture to an enzyme that preferentially catalyzes a reaction in one of the enantiomers.
摘要:
A method and composition for the treatment of HIV and HBV infections in humans and other host animals is disclosed that includes the administration of an effective amount of a [5-carboxamido or 5-fluoro]-2′,3′-dideoxy-2′,3′-didehydro-pyrimidine nucleoside or a [5-carboxamido or 5-fluoro]-3′-modified-pyrimidine nucleoside, or a mixture or a pharmaceutically acceptable derivative thereof, including a 5′ or N4 alkylated or acylated derivative, or a pharmaceutically acceptable salt thereof, in a pharmaceutically acceptable carrier.
摘要:
A process for the resolution of a racemic mixture of nucleoside enantiomers that includes the step of exposing the racemic mixture to an enzyme that preferentially catalyzes a reaction in one of the enantiomers. The nucleoside enantiomer (−)-2-hydroxymethyl-5-(5-fluorocytosin-1-yl)-1,3-oxathiolane is an effective antiviral agent against HIV, HBV, and other viruses replicating in a similar manner.
摘要:
The present invention discloses a method for treating HIV that includes administering β-D-D4FC or its pharmaceutically acceptable salt or prodrug to a human in need of therapy in combination or alternation with a drug that induces a mutation in HIV-1 at a location other than the 70(K to N), 90 or the 172 codons of the reverse transcriptase region. Also disclosed is a method for using β-D-D4FC as “salvage therapy” to patients which exhibit drug resistance to other anti-HIV agents. β-D-D4FC can be used generally as salvage therapy for any patient which exhibits resistance to a drug that induces a mutation at other than the 70(K to N), 90 or the 172 codons.