Abstract: (?)-(2S,4S)-1-(2-Hydroxymethyl-1,3-dioxolan-4-yl)cytosine (also referred to as (?)-OddC) or its derivative and its use to treat cancer in animals, including humans.

Abstract: The present invention relates to methods of treating viral or fungal infections using 3-aminopyridine-2-carboxyaldehyde thiosemicarbazone (3-AP) and 3-amino-4-methylpyridine-2-carboxaldehyde thiosemicarbazone (3-AMP) and its prodrug forms and to pharmaceutical compositions comprising these compounds.

Abstract: The invention provides novel nucleosides and related processes, pharmaceutical compositions, and methods. The novel nucleosides are useful in a wide variety of antiviral, antineoplastic, and antibacterial applications. Preferred embodiments of the instant invention include novel 2 halogen-substituted, 3 halogen-substituted, and 2?,3?dihalogen-substituted analogues of 3-deazaadenosine, and novel 3 halogen-substituted analogues of 3-deazaguanosine. Compounds of the instant invention, including 4-Amino-6-fluoro-1-(?-D-ribofuranosyl)imidazo[4,5-c]pyridine and 6-Amino-7-bromo-1,5-dihydro-1-?-D-ribofuranosylimidazo[4,5-c]pyridin-4-one, have exhibited potent antiviral and anticancer activity in vitro. The compounds are also useful in the concomitant treatment of bacterial infections associated with viral infections such as AIDS.

Abstract: The invention provides novel nucleosides and related processes, pharmaceutical compositions, and methods. The novel nucleosides are useful in a wide variety of antiviral, antineoplastic, and antibacterial applications. Preferred embodiments of the instant invention include novel 2 halogen-substituted, 3 halogen-substituted, and 2?,3?dihalogen-substituted analogues of 3-deazaadenosine, and novel 3 halogen-substituted analogues of 3-deazaguanosine. Compounds of the instant invention, including 4-Amino-6-fluoro-1-(?-D-ribofuranosyl)imidazo[4,5-c]pyridine and 6-Amino-7-bromo-1,5-dihydro-1-?-D-ribofuranosylimidazo[4,5-c]pyridin-4-one, have exhibited potent antiviral and anticancer activity in vitro. The compounds are also useful in the concomitant treatment of bacterial infections associated with viral infections such as AIDS.

Abstract: The invention provides novel tyloindicines analogues and related processes, pharmaceutical compositions, and methods. The novel tyloindicines are useful in a wide variety of antiviral, antineoplastic, antibacterial, and anti-inflammatory applications. Preferred embodiments of the instant invention include the novel tyloindicine designated herein as compound IT-3 (NSC-716802). Compounds of the instant invention have exhibited potent antiviral and anticancer activity in vitro. The invention further provides novel methods of treating neoplastic, bacterial, viral, and anti-inflammatory disorders using tyloindicines including the novel tyloindicine analogues of the instant invention. The invention also provides novel syntheses of tyloindicines including the novel tyloindicines analogues of the instant invention.

Abstract: This invention provides herbal compositions useful for increasing the therapeutic index of drugs, including those used in the treatment of disease, especially viral infections and neoplasms of cancer. This invention provides methods useful for improving the quality of life of an individual undergoing chemotherapy. Furthermore, this invention improves the treatment of disease by increasing the therapeutic index of chemotherapy drugs by administering the herbal composition PHY906 to a person undergoing such chemotherapy.

Abstract: Anti-hepatitis B virus compounds (?)3?-thia-2?,3?-dideoxycytidine, (?)5-fluoro-3?-thia-2?,3?-dideoxycytidine, (±) ?-dioxolane cytosine and (?)-L-B-dioxolane cytosine. A method of treating a patient suffering from hepatitis B virus or preventing hepatitis B virus infection comprising administering to the patient an effective amount of an active compound selected from the group consisting of (a) (?)3?-thia-2?,3?-dideoxycytidine, (b) (±)3?-thia-2?3?-dideoxycytidine, (c) (?)5-fluoro-3?-thia-2?,3?-dideoxcytidine; (d) (±) 5-fluoro-3?-thia-2?3?-dideoxycytidine, (e)(±) ?-dioxolane-cytosine and (f) (?)-L-?-dioxolane cytosine, or a salt or an ester thereof, either alone or in admixture within a diluent.

Abstract: The present invention relates to methods of treating viral or fungal infections using 3-aminopyridine-2-carboxyaldehyde thiosemicarbazone (3-AP) and 3-amino-4-methylpyridine-2-carboxaldehyde thiosemicarbazone (3-AMP) and its prodrug forms and to pharmaceutical compositions comprising these compounds.

Abstract: This invention relates to the characterization of mixtures. More specifically, this invention provides tools and methodologies for characterizing a mixture by detecting defined and undefined structures which form when the substances of the mixture contact a configuration of immobilized polymers.

Abstract: The present invention relates to novel compounds according to the to the general formulas I, II, III, IV or V: 1

Abstract: The invention provides novel nucleosides and related processes, pharmaceutical compositions, and methods. The novel nucleosides are useful in a wide variety of antiviral, antineoplastic, and antibacterial applications. Preferred embodiments of the instant invention include novel 2 halogen-substituted, 3 halogen-substituted, and 2′,3′dihalogen-substituted analogues of 3-deazaadenosine, and novel 3 halogen-substituted analogues of 3-deazaguanosine. Compounds of the instant invention, including 4-Amino-6-fluoro-1-(&bgr;-D-ribofuranosyl)imidazo[4,5-c]pyridine and 6-Amino-7-bromo-1,5-dihydro-1-&bgr;-D-ribofuranosylimidazo[4,5-c]pyridin-4-one, have exhibited potent antiviral and anticancer activity in vitro. The compounds are also useful in the concomitant treatment of bacterial infections associated with viral infections such as AIDS.

Abstract: The present invention relates to pyrimidine nucleoside compounds and their use to treat viral infections of Varicella Zoster Virus, Epstein Barr Virus and Kaposi's Sarcoma virus, also known as HV-8 and related complications of these viral infections. In another aspect of the present invention, the use of one or more nucleoside compound to increase the retention or half-life of 5-fluorouracil (FU) in patients is also described.

Abstract: The present invention relates to pyrimidine nucleoside compounds and their use to treat viral infections of Varicella Zoster virus and Epstein Barr Virus, as well as cancers which are complications of Epstein Barr virus.

Abstract: This invention provides herbal compositions useful for increasing the therapeutic index of drugs, including those used in the treatment of disease, especially viral infections and neoplasms of cancer. This invention provides methods useful for improving the quality of life of an individual undergoing chemotherapy. Furthermore, this invention improves the treatment of disease by increasing the therapeutic index of chemotherapy drugs by administering the herbal composition PHY906 to a person undergoing such chemotherapy.

Abstract: The present invention provides the tools and methodologies necessary to guide the standardization of herbal compositions, to determine which specific components of an herbal composition are responsible for any particular biological activity, to predict the biological activities of a particular herbal composition, to determine the relatedness of herbal compositions, and for the development of improved herbal therapeutics. This invention provides the tools and methodologies for creating, maintaining, improving and utilizing Herbal BioResponse Arrays (HBR Arrays), wherein the HBR Arrays constitute data sets associated with particular herbal compositions.

Abstract: The present invention relates to methods of treating viral or fungal infections using 3-aminopyridine-2-carboxyaldehyde thiosemicarbazone (3-AP) and 3-amino-4-methylpyridine-2-carboxaldehyde thiosemicarbazone (3-AMP) and its prodrug forms and to pharmaceutical compositions comprising these compounds.

Abstract: The present invention relates to the use of prodrug forms of (−)-(2S,4S)-1-(2-hydroxymethyl-1,3-dioxolan-4-yl)cytosine to treat psoriasis, genital warts and other hyperproliferative keratinocyte diseases such as hyperkeratosis, ichthyosis, keratoderma or lichen planus.

Abstract: The present invention provides covalent conjugates of topoisomerase I and topoisomerase II inhibitors. Such compounds have a structure according to formula I: TI—L—TII  (I) wherein: TI is a topoisomerase I inhibitor such as a camptothecin group; TII is a topoisomerase II inhibitor such as an amsacrine, ellipticine, epipodophyllotoxin, or anthracycline antibiotic group; and L is a linking group. The compounds are useful for inhibiting topoisomerase I and II enzymes, for promoting cellular differentiation, and for treating cancer.

Abstract: This invention relates to anti-viral drugs such as Helioxanthin and its analogs. The present compounds may be used alone or in combination with other drugs for the treatment of Hepatitis B virus (HBV), Hepatitis C virus (HCV), Yellow Fever, Dengue Virus, Japanese Encephalitis, West Nile virus and related flaviviruses. In addition, compounds according to the present invention can be used to prevent hepatoma secondary to virus infection as well as other infections or disease states which are secondary to the virus infection.

Abstract: The present invention relates to the discovery that certain P-L-dioxolane nucleoside analogs which contain a uracil base, and preferably, a 5-halosubstituted uracil base, exhibit unexpectedly high activity against Epstein-Barr virus (EBV), Varciella-Zoster virus (VZV) and Herpes Virus 8 (HV-8). In particular, the compounds according to the present invention show potent inhibition of the replication of the virus (viral growth) in combination with very low toxicity to the host cells (i.e., animal or human tissue). Compounds are useful for treating EBV, VZV and HV-8 infections in humans.