Treatment of Wound Infection with Novel Uncharged Silver Carbene Complexes

用新型不带电银卡宾配合物治疗伤口感染

基本信息

  • 批准号:
    8453014
  • 负责人:
  • 金额:
    $ 30万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2012
  • 资助国家:
    美国
  • 起止时间:
    2012-09-20 至 2015-03-31
  • 项目状态:
    已结题

项目摘要

DESCRIPTION (provided by applicant): Three novel uncharged silver carbene microbicides that have been shown to be effective against a wide variety of pathogens will be formulated into two different ointment formulations and tested in an infected healing model in the diabetic rat. Formulation of the silver carbenes into one of either a transparent (gel) wound ointment that will allow viewing of the wound while being treated or an occlusive petrolatum-based ointment that is anticipated to have different moisture retention and drug delivery characteristics that a water-based gel will be carried out. The major specific aims of the proposed research involve the preparation & formulation/processing of the silver carbene antimicrobial agents into an ointment form, chemical and biological characterization, determination of maximum tolerated doses, and evaluation in an infected wound model in the rat. The biological characterization involves the determination of the MIC90 for each compound and evaluation of the toxicity of each compound formulated into an ointment over a two log range starting at a concentration (in the ointment) at the MIC90. The primary objectives of the proposed therapy are: 1) resolution of infection, 2) minimization of inflammation, and 3) encouragement of wound resolution. This innovative and rational approach to a topical antimicrobial therapy is founded on the basis of several different studies that have revealed promising bio-applicable attributes of these silver carbene complexes. The end-goal of this project is to enable the next phase of development of one or more of these novel microbicidal compounds that will be targeted for the treatment of infected chronic wounds and burns while developing a greater understanding of the mechanisms by which these compounds work. PUBLIC HEALTH RELEVANCE: Diabetic foot ulcers are a common type of chronic wound affecting as many as 25% of all diabetics and in many cases diabetics develop infection as a consequence of an impaired inflammatory response. Infection can greatly complicate treatment and outcomes for diabetic foot ulcers with 65% of all patients developing osteomyelitis and amputation in 14-24% of the osteomyelitis group (American Diabetes Association, 1999). Complications associated with foot ulcers account for 20-25% of all hospitalizations costing billions of dollars annually and despite the important medical advances that have been made in the treatment of diabetic foot ulcers in the past fifty years, there remains a significant need for more effective therapies to combat infection and impaired wound healing in this patient population.
描述(由申请人提供):三种新型不带电荷的银卡宾杀菌剂已被证明对多种病原体有效,将被配制成两种不同的软膏配方,并在糖尿病大鼠感染愈合模型中进行测试。将银卡贝尼配制成一种透明(凝胶)伤口软膏,允许在治疗时观察伤口,或一种闭塞的凡士林软膏,预计具有不同的保湿和给药特性,因此将采用水基凝胶。拟议研究的主要具体目标包括将卡宾银抗菌剂制备和配制/加工成软膏形式,化学和生物学表征,最大耐受剂量的确定,以及在大鼠感染伤口模型中的评估。生物学特性包括测定每种化合物的MIC90,并在两个对数范围内评估配制成药膏的每种化合物的毒性,从药膏中MIC90的浓度开始。建议治疗的主要目标是:1)解决感染,2)最小化炎症,3)促进伤口愈合。这种创新和合理的局部抗菌治疗方法是建立在几项不同的研究的基础上的,这些研究揭示了这些银碳络合物有希望的生物应用特性。该项目的最终目标是使一种或多种新型杀微生物化合物的下一阶段开发成为可能,这些化合物将用于治疗感染的慢性伤口和烧伤,同时对这些化合物的作用机制有更深入的了解。

项目成果

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DAVID J VACHON其他文献

DAVID J VACHON的其他文献

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{{ truncateString('DAVID J VACHON', 18)}}的其他基金

A Self-Assembling Gel with Antimicrobial and Antioxidant Properties for the Treat
具有抗菌和抗氧化特性的自组装凝胶,用于治疗
  • 批准号:
    8597978
  • 财政年份:
    2013
  • 资助金额:
    $ 30万
  • 项目类别:
A Novel Electrospun Vascular Graft
新型静电纺血管移植物
  • 批准号:
    7805685
  • 财政年份:
    2010
  • 资助金额:
    $ 30万
  • 项目类别:
Peptide-Modified Sulfonated Styrene Block Copolymers for Vascular Applications
用于血管应用的肽改性磺化苯乙烯嵌段共聚物
  • 批准号:
    7393608
  • 财政年份:
    2008
  • 资助金额:
    $ 30万
  • 项目类别:
Topical Modulation of Burn Wound Healing
烧伤伤口愈合的局部调节
  • 批准号:
    7481972
  • 财政年份:
    2008
  • 资助金额:
    $ 30万
  • 项目类别:
A Novel & Tailorable Drug Delivery Device for the Treatment of Periodontitis
一本小说
  • 批准号:
    7537768
  • 财政年份:
    2008
  • 资助金额:
    $ 30万
  • 项目类别:
A Novel & Tailorable Topical Wound Therapy Based on a Semi-Interpenetrating Polym
一本小说
  • 批准号:
    7275122
  • 财政年份:
    2007
  • 资助金额:
    $ 30万
  • 项目类别:
PROTEASE MODULATING WOUND DRESSINGS FOR THE TREATMENT OF VENOUS ULCERS
用于治疗静脉溃疡的蛋白酶调节伤口敷料
  • 批准号:
    6998556
  • 财政年份:
    2006
  • 资助金额:
    $ 30万
  • 项目类别:
Synthesis and Processing of Sulfonated Block Copolymer Biomaterials
磺化嵌段共聚物生物材料的合成与加工
  • 批准号:
    7109992
  • 财政年份:
    2006
  • 资助金额:
    $ 30万
  • 项目类别:
Novel Cation-Exchange Wound Dressing for Diabetic Ulcers
用于糖尿病溃疡的新型阳离子交换伤口敷料
  • 批准号:
    6834243
  • 财政年份:
    2004
  • 资助金额:
    $ 30万
  • 项目类别:
Novel Wound Dressing for Chronic Ulcers
用于慢性溃疡的新型伤口敷料
  • 批准号:
    6550024
  • 财政年份:
    2002
  • 资助金额:
    $ 30万
  • 项目类别:

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