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    • 94. 发明申请
    • AGENT FOR REVERSAL OF DRUG RESISTANCE IN MYCOBACTERIUM TUBERCULOSIS
    • 用于逆转结核分枝杆菌耐药性的试剂
    • WO0200165A3
    • 2002-06-20
    • PCT/IB0101136
    • 2001-06-26
    • BAKULESH MAFATLAL KHAMAR
    • A61K31/43A61K31/431A61P31/06A61K35/00A61K39/04A61K39/40C12N1/00C12N1/12C12N1/20C12N9/84C12N9/86C12P21/04C12P37/00
    • A61K31/43A61K31/431
    • Multidrug resistance to anti-tuberculous drugs poses threat in the treatment of tuberculosis. These strains are resistant to at least two first line anti-tuberculous drugs such as INH and rifampicin. Frequently, such MDR strains show resistance to all commonly used first-line agent i.e. INH, rifamcpicin, streptomycin, ethambutol and pyrazinamide. Isoniazid is the most widely used anti-tuberculous drug. Resistance to isoniazid can occur by increased expression in inhA or by mutations that lower the enzyme's affinity to NADH. Mutations in katG, which encodes catalase peroxidase, is the most common source of resistance. Another mechanism of isoniazid resistance occurs by defects in NADH dehydrogenase (Ndh) of the respiratory chain. Increases expression of AphC has been suggested as another mechanism of INH resistance in mycobacteria. The present invention overcomes INH resistance by the use of penicillins with INH. According to present invention, penicillins when used in effective amount, reduces the MIC of INH in multi-drug resistant strains of M. tuberculosis. The improved INH sensitivity, as brought by the present invention, falls within the range which can be exploited for effective therapeutic intervention.
    • 对抗结核药物的多重耐药性对治疗结核病构成威胁。 这些菌株对至少两种一线抗结核药物如INH和利福平耐药。 通常,这种MDR菌株对所有常用的一线药物即INH,利福平,链霉素,乙胺丁醇和吡嗪酰胺显示出抗性。 异烟肼是应用最广泛的抗结核药物。 对异烟肼的耐药性可以通过增加inhA的表达或降低酶对NADH的亲和力的突变而发生。 编码过氧化氢酶过氧化物酶的katG突变是最常见的抗性来源。 另一种异烟肼耐药机制是由呼吸链NADH脱氢酶(Ndh)缺陷引起的。 增加AphC的表达已被认为是分枝杆菌中INH抗性的另一种机制。 本发明通过使用含INH的青霉素来克服INH抵抗力。 根据本发明,当以有效量使用青霉素时,降低了结核分枝杆菌多重耐药菌株中INH的MIC。 由本发明带来的改善的INH灵敏度落入可用于有效治疗干预的范围内。
    • 95. 发明申请
    • METHOD OF TREATING AQUATIC ANIMALS WITH AN ANTIMICROBIAL AGENT AND CHELATING AGENT
    • 用抗微生物剂和螯合剂处理水生动物的方法
    • WO02024201A1
    • 2002-03-28
    • PCT/US2001/029312
    • 2001-09-19
    • A61K9/00A61K31/165A61K31/43A61K31/65A61K31/7008A61K31/7036A61K31/7048A61K31/70
    • A61K31/7036A61K9/0017A61K31/165A61K31/43A61K31/65A61K31/7008A61K31/7048A61K2300/00
    • The present invention relates to novel method of reducing microbial infections, especially bacterial infections, of animals, especially of aquatic animals such as fish maintained in tanks or aquaria. The present invention provides bathing and dipping methods for reducing a microbial infection of an animal with an antibiotic solution of enhanced antimicrobial activity comprising at least one chelating agent and at least one antibiotic effective against the microbial infection. The present invention also provides a method for reducing a microbial infection of an animal comprising bathing or dipping an animal having a microbial infection in an antimicrobial solution comprising the chelating agent EDTA, and at least one antibiotic, and optionally a pH buffering agent. The immersion of the aquatic animal in the antimicrobial solution containing the EDTA, antibiotic and pH buffering agent may be repeated until the microbial burden of the animal is eliminated. The present invention further provides kits for use in administering an enhanced activity antibiotic solution.
    • 本发明涉及减少动物,特别是水生动物如维持在罐或水族箱中的鱼类的微生物感染,特别是细菌感染的新方法。 本发明提供了用具有增强的抗微生物活性的抗生素溶液来减少动物的微生物感染的洗浴和浸渍方法,所述抗生素溶液包含至少一种螯合剂和至少一种有效抵抗微生物感染的抗生素。 本发明还提供了一种减少动物的微生物感染的方法,包括将含有微生物感染的动物浸泡或浸渍在包含螯合剂EDTA的抗微生物溶液中,以及至少一种抗生素和任选的pH缓冲剂。 可以重复将水生动物浸入含有EDTA,抗生素和pH缓冲剂的抗微生物溶液中直到消除动物的微生物负担。 本发明还提供了用于施用增强活性抗生素溶液的试剂盒。
    • 99. 发明申请
    • AGENT FOR REVERSAL OF DRUG RESISTANCE IN MYCOBACTERIUM TUBERCULOSIS
    • 药物耐药性在MYCOBACTERIUM TUBERCULOSIS中的反应代理
    • WO02000165A2
    • 2002-01-03
    • PCT/IB2001/001136
    • 2001-06-26
    • A61K31/43A61K31/431A61P31/06A61K
    • A61K31/43A61K31/431
    • Multidrug resistance to anti-tuberculous drugs poses threat in the treatment of tuberculosis. These strains are resistant to at least two first line anti-tuberculous drugs such as INH and rifampicin. Frequently, such MDR strains show resistance to all commonly used first-line agent i.e. INH, rifamcpicin, streptomycin, ethambutol and pyrazinamide. Isoniazid is the most widely used anti-tuberculous drug. Resistance to isoniazid can occur by increased expression in inhA or by mutations that lower the enzyme's affinity to NADH. Mutations in katG, which encodes catalase peroxidase, is the most common source of resistance. Another mechanism of isoniazid resistance occurs by defects in NADH dehydrogenase (Ndh) of the respiratory chain. Increases expression of AphC has been suggested as another mechanism of INH resistance in mycobacteria. The present invention overcomes INH resistance by the use of penicillins with INH. According to present invention, penicillins when used in effective amount, reduces the MIC of INH in multi-drug resistant strains of M. tuberculosis. The improved INH sensitivity, as brought by the present invention, falls within the range which can be exploited for effective therapeutic intervention.
    • 抗结核药物的多药耐药对结核病的治疗构成威胁。 这些菌株对至少两种一线抗结核药物如INH和利福平具有抗性。 通常,这样的MDR菌株对所有常用的一线制剂即INH,利福霉素,链霉素,乙胺丁醇和吡嗪酰胺显示出抗性。 异烟肼是最广泛使用的抗结核药物。 对异烟肼的抗性可以通过增加inhA中的表达或降低酶对NADH的亲和力的突变而发生。 编码过氧化氢酶过氧化物酶的katG的突变是最常见的抵抗来源。 呼吸链的NADH脱氢酶(Ndh)缺陷发生异烟肼抗性的另一种机制。 已经提出增加AphC的表达是分泌细菌中INH抗性的另一种机制。 本发明通过使用青霉素与INH克服INH抗性。 根据本发明,当有效量使用青霉素时,降低结核分枝杆菌多药耐药株INH的MIC。 由本发明提供的改善的INH灵敏度落入可用于有效治疗干预的范围内。
    • 100. 发明申请
    • THE METHOD OF TREATING DRUG RESISTANT MYCOBACTERIUM TUBERCULOSIS INFECTION
    • 治疗耐药性结核分枝杆菌感染的方法
    • WO02000163A2
    • 2002-01-03
    • PCT/IB2001/001132
    • 2001-06-26
    • A61K31/43A61K31/4409A61P31/06A61K
    • A61K31/43A61K31/4409A61K2300/00
    • Multidrug resistance to anti-tuberculous drugs poses threat in the treatment of tuberculosis. These strains are resistant to at least tow first line anti-tuberculous drugs such as INH and rifampicin. Frequently, such MDR strains show resistance to all commonly used first-line agents i.e INH, rifampicin, streptomycin, ethambutol and pyrazinamide. Isoniazid is the most widely used anti-tuberculous drug. Resistance to isoniazid can occur by increased expression on inhA or by mutations that lower the enzyme's affinity to NADH. Mutations in katG, which encodes catalase peroxidase, is the most common source of resistance. Another mechanism of isoniazid resistance occurs by defects in NADH dehydrogenase (Ndh) of the respiratory chain. Increases expression of AhpC has been suggested as another mechanism of INH resistance in mycobacteria. The present invention provides method of treating drug resistance for Mycobacterium tuberculosis infection. According to present invention, a method is provided to employ penicillin with INH. This reduces the MIC of INH and makes resistant organisms sensitive. The level of penicillins required for reversal of INH resistance is known to be achieved and maintained by therapeutic doses of penicillins.
    • 耐抗结核病威胁与干疗法治疗疾病的抵抗至少两个主要的抗结核药物异烟肼(INH)和利福平,链霉素频繁,各种可能性 乙胺丁醇和吡嗪酰胺。 异烟肼是最常用的抗结核药物,对异烟肼的耐药性可能是由于增强的inhA表达或降低酶对NADH的亲和力的突变造成的。 编码过氧化氢酶过氧化物酶的katG突变是抗性最常见的原因。 对异烟肼耐药的其他机制可能是由于呼吸链中缺乏NADH脱氢酶(Ndh),或者如所暗示的,AhpC表达增加。 本发明涉及通过使用青霉素和INH治疗结核分枝杆菌感染的药物抗性的方法,其降低INH的MIC并使生物体敏感。 通过施用具有治疗效果的青霉素剂量可以实现并保持逆转对INH抗性所需的青霉素水平。