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    • 3. 发明申请
    • DIOXOLANE THYMINE AND COMBINATIONS FOR USE AGAINST 3TC/ AZT RESISTANT STRAINS OF HIV
    • 二氧六环三胺及其组合用于抗HIV 3TC / AZT抗性株
    • WO2004052296A2
    • 2004-06-24
    • PCT/US0339029
    • 2003-12-08
    • UNIV GEORGIA RES FOUNDUNIV EMORYCHU CHUNG KSCHINAZI RAYMOND F
    • CHU CHUNG KSCHINAZI RAYMOND F
    • A61K31/505A61K31/513A61K31/52A61K31/65A61K31/675A61K31/70A61K45/06A61K
    • A61K45/06A61K31/505A61K31/513A61K31/52A61K31/65A61K31/675A61K31/70A61K2300/00
    • The present invention relates to the use of a dioxolane thymine compound according to the chemical structure of Formula (I): where R is H, an acyl group, a C1-C20 alkyl or ether group, a phosphate, diphosphate, triphosphate or phosphodiester group, for use in the treatment of HIV infections which exhibit resistance to 3TC and/or AZT. Preferably, compounds according to the present invention are combined with at least one anti-HIV agent which inhibits HIV by a mechanism other than through the inhibition of thymidine kinase (TK). These agents include those selected from among nucleoside reverse transcriptase inhibitors (NRTI), non-nucloeoside reverse transcriptase inhibitors, protease inhibitors, fusion inhibitors, among others. These agents are generally selected from the group consisting of 3TC (Lamivudine), AZT (Zidovudine), (-)-FTC, ddI (Didanosine), ddC (zalcitabine), abacavir (ABC), tenofovir (PMPA), D-D4FC (Reverset), D4T (Stavudine), Racivir, L-D4FC, NVP (Nevirapine), DLV (Delavirdine), EFV (Efavirenz), SQVM (Saquinavir mesylate), RTV (Ritonavir), IDV (Indinavir), SQV (Saquinavir), NFV (Nelfinavir), APV (Amprenavir), LPV (Lopinavir), fuseon and mixtures thereof. The TK dependent agents, such as AZT and D4T, may be used in combination with one of the dioloxane thymine compounds according to the present invention, but the use of such agents may be less preferred. In preferred compositions according to the present invention, R is preferably H or a C2-C18 acyl group or a monophosphate group. Pharmaceutical compositions and methods of reducing the likelihood that a patient at risk for contract an HIV infection will contract the infection are other aspects of the present invention.
    • 本发明涉及根据式(I)的化学结构的二氧戊环胸腺嘧啶化合物的用途:其中R 1是H,酰基,C 1 -C 20烷基或醚基团,磷酸盐,二磷酸盐,三磷酸盐 或磷酸二酯基团,用于治疗对3TC和/或AZT表现出抗性的HIV感染。 优选地,根据本发明的化合物与至少一种通过除抑制胸苷激酶(TK)之外的机制抑制HIV的抗HIV剂组合。 这些药剂包括选自核苷逆转录酶抑制剂(NRTI),非核苷逆转录酶抑制剂,蛋白酶抑制剂,融合抑制剂等等的那些。 这些药物通常选自3TC(拉米夫定),AZT(齐多夫定),( - ) - FTC,ddI(去甲肌苷),ddC(扎西他滨),abacavir(ABC),替诺福韦(PMPA),D-D4FC (NVR),DLV(Delavirdine),EFV(Efavirenz),SQVM(甲磺酸沙奎那韦),RTV(利托那韦),IDV(茚地那韦),SQV(沙奎那韦), NFV(奈非那韦),APV(安普那韦),LPV(洛匹那韦),fuseon及其混合物。 诸如AZT和D4T的TK依赖性试剂可以与根据本发明的二
      恶烷胸腺嘧啶化合物之一组合使用,但是使用这种试剂可能不太优选。 在根据本发明的优选组合物中,R 1优选为H或C 2 -C 18酰基或单磷酸酯基团。 降低感染HIV感染风险的患者感染感染的可能性的药物组合物和方法是本发明的其他方面。