A rapid, accurate, and easy-to-use diagnostic assay for STIs

一种快速、准确且易于使用的性传播感染诊断方法

基本信息

  • 批准号:
    9347683
  • 负责人:
  • 金额:
    $ 69.76万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2014
  • 资助国家:
    美国
  • 起止时间:
    2014-02-07 至 2019-07-31
  • 项目状态:
    已结题

项目摘要

PROJECT SUMMARY The aim of this Phase II proposal is to develop a rapid, easy-to-use, and inexpensive multi-sample diagnostic system to identify sexually transmitted infection (STI) pathogens, such as Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (NG) in non-traditional healthcare settings. The features of our system will likely qualify it to be a CLIA-waived CT/NG test. The sensitivity and specificity to be achieved using this prototype type assay will be comparable with those of current laboratory-based molecular tests. This would present a major advancement in clinical diagnostics for STIs. According to the CDC, chlamydia and gonorrhea, caused by C. trachomatis and N. gonorrhoeae, are the two most frequently reported STIs in the US and likely the rest of the world. These STIs are often under-diagnosed, leading to delayed treatment, continued spread and higher public healthcare costs (~$16 billion annually). As a result of their prevalence and long term health consequences, there is a need for rapid and sensitive methods of detecting STIs in order for patients to get results and treatment immediately. It is important that patients receive results and initial consultation or treatment during the first patient visit, as they rarely return for a second visit. Point-of-care (POC) tests are an important strategy to address the STI epidemic, and because many affected by STIs (young and/or poor) often have limited access to traditional healthcare, POC tests that can be performed in non-traditional settings (e.g., university clinics, community public health care clinics, jails, and detention centers) could greatly reduce STIs. The system we propose to further develop will combine AI Biosciences, Inc.’s novel assay cartridge, low-cost automatic platform inspired by 3D printer technology, and a rapid real-time thermal cycler to form a multi- sample system for use in non-traditional healthcare settings. A low-cost self-contained nucleic acid extraction and purification cartridge will be developed to perform a 10 min. extraction process for 6 samples. The extracted NA samples will then be eluted and amplified using shuttle thermal cycler to perform multiplexed real-time polymerase chain reaction (PCR) for CT and NG targets (15 min for 40 cycles). We plan to optimize the assay and disposable to meet the needs of non-traditional healthcare settings, improve the system for ease-of-use, and minimize risk of erroneous result. We will complete prototype system validation and verification as well as determine analytical sensitivity and specificity of the CT/NG assay. The proposed work will be carried out in collaboration with a STI expert in the US. Our proposed technologies are highly suitable for parallel, automated processing. This is a substantial advantage over other integrated systems being developed as most can only process one sample at a time, requiring the purchase of several modules in order to meet the throughput demand in most point-of-care or near-patient settings. The successful development and commercialization of our medium-throughput technology will impact how molecular diagnostic assays are implemented in non-traditional healthcare settings.
项目摘要 该第二阶段提案的目的是开发一种快速、易于使用和廉价的多样本诊断方法, 鉴定性传播感染(STI)病原体的系统,如沙眼衣原体(CT), 淋病奈瑟菌(NG)在非传统的医疗机构。我们系统的特性很可能 这是一个CLIA豁免的CT/NG测试。使用该原型类型所达到的灵敏度和特异性 检测将与目前基于实验室的分子检测相当。这将是一个重大的 性传播感染临床诊断的进步。根据CDC的说法,衣原体和淋病,由C。 沙眼衣原体和N.淋病是美国最常报告的两种性传播感染, 世界这些性传播感染往往诊断不足,导致延误治疗、继续传播和更高的死亡率。 公共医疗费用(每年约160亿美元)。由于其流行和长期健康 因此,需要快速和敏感的检测STI的方法,以便患者获得 立即治疗和治疗。重要的是,患者收到的结果和初步咨询或 在第一次患者就诊期间,他们很少接受治疗,因为他们很少返回进行第二次就诊。床旁(POC)检测是一种 这是应对性传播感染流行病的重要战略,而且由于许多受性传播感染影响的人(年轻人和/或穷人)往往 获得传统医疗保健的机会有限,可以在非传统环境中进行的POC测试(例如, 大学诊所、社区公共卫生保健诊所、监狱和拘留中心)可以大大减少性传播感染。 我们建议进一步开发的系统将结合联合收割机AI Biosciences,Inc.的新型检测盒,低成本 受3D打印机技术启发的自动平台,以及快速实时热循环仪, 用于非传统医疗环境的样本系统。一种低成本的自给式核酸提取装置, 将开发纯化柱,对6个样品进行10 min的提取过程。的 然后洗脱提取的NA样品,并使用穿梭热循环仪进行扩增, CT和NG靶标的实时聚合酶链反应(PCR)(15 min,40个循环)。我们计划优化 分析和一次性的,以满足非传统的医疗保健设置的需要,改善系统, 易于使用,并将错误结果的风险降至最低。我们将完成原型系统验证, 验证以及确定CT/NG测定的分析灵敏度和特异性。拟议工作 将与美国的STI专家合作进行。我们提出的技术非常适合 进行并行自动化处理。这是相对于其他集成系统的显著优势, 由于大多数开发商一次只能处理一个样品,因此需要购买多个模块, 以满足大多数护理点或近患者环境中的吞吐量需求。研制成功 我们的中等通量技术的商业化将影响分子诊断分析的 在非传统医疗机构中实施。

项目成果

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SEASON S-S WONG其他文献

SEASON S-S WONG的其他文献

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{{ truncateString('SEASON S-S WONG', 18)}}的其他基金

Rapid Point-of-Care Molecular Test for SARS-CoV-2 and Influenza A/B
SARS-CoV-2 和甲型/乙型流感的快速护理点分子检测
  • 批准号:
    10484040
  • 财政年份:
    2022
  • 资助金额:
    $ 69.76万
  • 项目类别:
An Ultrasensitive and Low-Cost p24 Antigen Test for the Early Detection of HIV
用于早期检测 HIV 的超灵敏且低成本的 p24 抗原测试
  • 批准号:
    10482574
  • 财政年份:
    2022
  • 资助金额:
    $ 69.76万
  • 项目类别:
Rapid and Low- cost POC Assay for Zika Virus Diagnosis
用于寨卡病毒诊断的快速、低成本 POC 检测
  • 批准号:
    9254690
  • 财政年份:
    2017
  • 资助金额:
    $ 69.76万
  • 项目类别:
Rapid and Ultrasensitive Direct Detection of RNA for Norovirus Gastroenteritis
快速、超灵敏直接检测诺如病毒胃肠炎 RNA
  • 批准号:
    8833117
  • 财政年份:
    2015
  • 资助金额:
    $ 69.76万
  • 项目类别:
A Portable, Self-Contained Nucleic Acid Extraction and Storage System for POC Tes
用于 POC Tes 的便携式独立核酸提取和存储系统
  • 批准号:
    8712053
  • 财政年份:
    2014
  • 资助金额:
    $ 69.76万
  • 项目类别:
A rapid, accurate, and easy-to-use diagnostic assay for STIs
一种快速、准确且易于使用的性传播感染诊断方法
  • 批准号:
    8713686
  • 财政年份:
    2014
  • 资助金额:
    $ 69.76万
  • 项目类别:
A Sensitive and Serotype-Specific Dengue Diagnostic Test for Low-Resource Setting
适用于资源匮乏环境的敏感且血清型特异性的登革热诊断测试
  • 批准号:
    8713439
  • 财政年份:
    2014
  • 资助金额:
    $ 69.76万
  • 项目类别:
Ultrasensitive, Label-free Silicon Nanowire Biosensing Arrays
超灵敏、无标记硅纳米线生物传感阵列
  • 批准号:
    7670539
  • 财政年份:
    2009
  • 资助金额:
    $ 69.76万
  • 项目类别:
Sample Preparation and Real-Time PCR System for Non-Traditional Settings
适用于非传统设置的样品制备和实时 PCR 系统
  • 批准号:
    7608852
  • 财政年份:
    2009
  • 资助金额:
    $ 69.76万
  • 项目类别:
Rapid and Enclosed System for the Identification of Multi-Drug Resistant TB
用于识别多重耐药结核病的快速封闭系统
  • 批准号:
    7394908
  • 财政年份:
    2008
  • 资助金额:
    $ 69.76万
  • 项目类别:

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