JAMA:产毒艰难梭菌菌株M3有效预防复发性艰难梭菌感染(CDI)

2015-05-06 崔倩 译 MedSci原创

艰难梭菌是美国医院最常见的卫生保健相关感染的原因。有25%至30%的患者复发。    为了确定产毒艰难梭菌菌株M3(VP20621; NTCD-M3)用于预防复发性艰难梭菌感染(CDI)的安全性、粪便定植、复发率和最佳给药方案。    第二阶段,随机、双盲、安慰剂对照试验。试验从2011年6月到2013年6月,在年龄在18岁或以上的173

艰难梭菌是美国医院最常见的卫生保健相关感染的原因。有25%至30%的患者复发。
    
为了确定产毒艰难梭菌菌株M3(VP20621; NTCD-M3)用于预防复发性艰难梭菌感染(CDI)的安全性、粪便定植、复发率和最佳给药方案。
    
第二阶段,随机、双盲、安慰剂对照试验。试验从2011年6月到2013年6月,在年龄在18岁或以上的173例被诊断为CDI(首发或第一吃复发)的患者,在剂量范围内用甲硝唑,口服万古霉素,或两者兼用,在美国、加拿大和欧洲的44个研究中心完成。
    
患者被随机分配接受4种治疗中的1中:口服液体制剂NTCD-M3,104孢子/天,7天(n=43);107孢子/天,7天(n=44);或107孢子/天,14天(n=42);或安慰剂治疗14天(n=44)。
    
此次试验的主要成果在于NTCD-M3治疗7天的安全性和耐受性。探索性的次要终点包括通过6周和CDI复发从第1天至6周研究药物NTCD-M3终点粪便定植。
    
168例患者开始治疗中有157例完成了治疗。一种或多种治疗后出现的不良事件的报告为接受NTCD-M3的78%的患者和接受安慰剂的患者86%。(1)出现腹泻或腹痛症状的患者,在接收NTCD-M3的患者中分别为46%和的17%,在安慰剂患者中分别为60%和33%。(2)治疗后出现的严重的不良反应事件报告,在接受安慰剂的患者中为7%,接受NTCD-M3所有患者中为3%。(3)头痛事件发生于接受NTCD-M3的10%的患者和安慰剂的2%的患者。(4)粪便定植患者占69%的NTCD-M3患者:71%为107孢子/ 天,63%的为104孢子/天。(5) CDI复发:在43例接受安慰剂患者中13例(30%)发生,125例接受NTCD-M3患者中14例患者(11%)发生(比值比[OR],0.28;95%Cl,0.11-0.69; P =0.006);最低的复发率为43名患者接受107孢子/ 天疗程为7天组,其中的2例患者(5%)复发(OR,0.1;95%Cl,0.0-0.6; P = 0.01 VS 安慰剂)。在86例被定植中的2例(2%)复发,39例接受NTCD-M3没有被定植的12例(31%)复发(OR,0.01;95%Cl,0.00-0.05; P <0.001) 。
    
在患者CDI临床恢复后服用甲硝唑或万古霉素治疗,口服NTCD-M3孢子的耐受性良好,似乎是安全的。产毒艰难梭菌菌株M3定植胃肠道并显著降低CDI复发率。

原始出处:

Dale N. Gerding, MD1,2; Thomas Meyer, MD3; Christine Lee, MD4; Stuart H. Cohen, MD5; Uma K. Murthy, MD6; Andre Poirier, MD, MSc7; Trevor C. Van Schooneveld, MD8; Darrell S. Pardi, MD, MS9; Antonio Ramos, MD10; Michelle A. Barron, MD11; Hongzi Chen, PhD12; Stephen Villano, MD12,Administration of Spores of Nontoxigenic Clostridium difficile Strain M3 for Prevention of Recurrent C difficile Infection.JAMA,April 5, 2015.

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    2015-05-08 ylz8406
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    2015-05-06 zhouanxiu

    看过了

    0

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    2015-05-06 huaxipanxing

    看看

    0