Dioxolane thymine and combinations for use against 3tc/azt resistant strains of hiv

    公开(公告)号:US20050209196A1

    公开(公告)日:2005-09-22

    申请号:US10530088

    申请日:2003-12-08

    摘要: The present invention relates to the use of a dioxolane thymine compound according to the chemical structure of Formula (I): where R1 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, R1 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.

    Method of treating or preventing hepatitis B virus
    4.
    发明申请
    Method of treating or preventing hepatitis B virus 审中-公开
    治疗或预防乙型肝炎病毒的方法

    公开(公告)号:US20050192299A1

    公开(公告)日:2005-09-01

    申请号:US10656889

    申请日:2003-09-04

    摘要: Anti-hepatitis B virus compounds (−)3′-thia-2′,3′-dideoxycytidine, (−)5-fluoro-3′-thia-2′,3′-dideoxycytidine, (±) β-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)(±) β-dioxolane-cytosine and (f) (−)-L-β-dioxolane cytosine, or a salt or an ester thereof, either alone or in admixture within a diluent.

    摘要翻译: 抗乙型肝炎病毒化合物( - )3'-硫杂-2',3'-双脱氧胞苷,( - )5-氟-3'-硫杂-2',3'-双脱氧胞苷,(±)β-二氧戊环胞嘧啶和 ( - ) - LB-二氧戊环胞嘧啶。 一种治疗患有乙型肝炎病毒或预防乙型肝炎病毒感染的患者的方法,包括向患者施用有效量的选自(a)( - )3'-硫杂-2',3 (b)(±)3'-thia-2'3'-双脱氧胞苷,(c)( - )5-氟-3'-硫杂-2',3'-脱氧胞嘧啶; (d)(±)5-氟-3'-硫杂-2'3'-二脱氧胞苷,(e)(±)β-二氧戊环 - 胞嘧啶和(f)( - ) - L-β-二氧戊环胞嘧啶,或 盐或其酯,单独或混合在稀释剂内。

    Methods and apparatus for data communication
    5.
    发明申请
    Methods and apparatus for data communication 有权
    数据通信的方法和装置

    公开(公告)号:US20080069090A1

    公开(公告)日:2008-03-20

    申请号:US11984490

    申请日:2007-11-19

    IPC分类号: H04L12/66

    摘要: A data communication apparatus, comprising an interface for enabling communication with a remote entity via a network and a control entity in communication with said interface. The control entity is operative to establish a packet-switched connection with the remote entity through the network and to negotiate with the remote entity using in-band signaling entry into a codec-bypass mode of operation. In this way, a codec-bypass connection, which enhances speech quality, can be established over a packet network, which reduces bandwidth.

    摘要翻译: 一种数据通信装置,包括用于经由网络和与所述接口通信的控制实体与远程实体进行通信的接口。 控制实体可操作以通过网络与远程实体建立分组交换连接,并使用带内信令进入编解码器旁路操作模式与远程实体进行协商。 以这种方式,可以通过分组网络建立增强语音质量的编解码器旁路连接,从而降低带宽。

    Methods and Compositions for Treatment of Macular and Retinal Disease
    6.
    发明申请
    Methods and Compositions for Treatment of Macular and Retinal Disease 失效
    治疗黄斑和视网膜疾病的方法和组合

    公开(公告)号:US20070259843A1

    公开(公告)日:2007-11-08

    申请号:US11777825

    申请日:2007-07-13

    摘要: The present invention describes linking a therapeutic agent to a compound which is known to be naturally concentrated in a tissue affected by, or that is causing, a disease, to create a prodrug for treatment of the disease. Embodiments of the present invention include a new class of carotenoid-linked drugs to treat such blinding retinal disease such as age-related macular degeneration, retinoblastoma, and diabetic macular edema. For example, the present invention comprises a method for the treatment of a disorder of the eye comprising linking a therapeutic agent to a xanthophyll carotenoid to create a prodrug, and administering a therapeutically effective amount of the prodrug to an individual in need of treatment. Provided are prodrugs for treatment of retinoblastoma, cystoid macular edema (CME), exudative age-related macular degeneration (AMD), diabetic retinopathy, diabetic macular edema, or inflammatory disorders.

    摘要翻译: 本发明描述了将治疗剂与已知天然浓缩在受疾病或正在引起疾病的组织中的化合物连接以产生用于治疗疾病的前体药物。 本发明的实施方案包括一类新的类胡萝卜素相关药物来治疗这种致盲性视网膜疾病如年龄相关性黄斑变性,视网膜母细胞瘤和糖尿病性黄斑水肿。 例如,本发明包括用于治疗眼病的方法,包括将治疗剂与叶黄素类胡萝卜素连接以产生前药,以及将治疗有效量的前药施用于需要治疗的个体。 提供用于治疗视网膜母细胞瘤,囊性黄斑水肿(CME),渗出性年龄相关性黄斑变性(AMD),糖尿病性视网膜病变,糖尿病性黄斑水肿或炎症性疾病的前药。

    Providing a capability list of a predefined format in a communications network
    7.
    发明申请
    Providing a capability list of a predefined format in a communications network 有权
    在通信网络中提供预定格式的能力列表

    公开(公告)号:US20070104114A1

    公开(公告)日:2007-05-10

    申请号:US11589435

    申请日:2006-10-30

    IPC分类号: H04J1/16

    CPC分类号: H04L41/00 H04L41/12

    摘要: In a communications network having plural nodes, a first node receives a capability list that has a predefined format and includes plural entries identifying corresponding data processing functions supported by one or more nodes along a communications path of a communications session involving the first node. The first node adds at least one additional entry into the capability list in response to determining that the first node supports a data processing function that is not identified in the capability list.

    摘要翻译: 在具有多个节点的通信网络中,第一节点接收具有预定义格式的能力列表,并且包括标识沿着涉及第一节点的通信会话的通信路径的一个或多个节点支持的相应数据处理功能的多个条目。 响应于确定第一节点支持在能力列表中未识别的数据处理功能,第一节点将至少一个附加条目添加到能力列表中。