Robust Clinical Translation of CT Imaging Biomarker in COPD for EBV Patient Selection

COPD 中 CT 成像生物标志物的稳健临床转化,用于 EBV 患者选择

基本信息

  • 批准号:
    10593063
  • 负责人:
  • 金额:
    $ 68.23万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2021
  • 资助国家:
    美国
  • 起止时间:
    2021-04-01 至 2025-03-31
  • 项目状态:
    未结题

项目摘要

PROJECT SUMMARY Chronic obstructive pulmonary disease (COPD), which includes conditions such as emphysema, is the fourth leading cause of death in the United States. Although progression of COPD can be slowed through lifestyle changes, the disease is incurable. New treatment/management options emerged recently when the FDA approved endobronchial valves (EBV) as a Breakthrough Device for the treatment of severe COPD. EBVs provide a new treatment pathway but their implantation is associated with morbidity and mortality risks. In addition, not every patient who undergoes implantation has demonstrated the expected benefits from the device. Trial data indicate that imaging data can be used to help identify patients in whom an EBV will be effective, showing specifically that effectiveness increases in patients with heterogeneous COPD with complete fissures in the targeted lobes. The EBV is officially indicated for “severe emphysema in regions of the lung that have little to no collateral ventilation,” but interpretation of these criteria is imprecise and qualitative. The goal of this proposal is to develop more unified, robust, and quantitative criteria that will more successfully identify patients that are likely to respond to EBV implantation. The three most predictive variables identified by clinical trials to date have been the degree of severity of COPD, the heterogeneity of COPD between adjacent lobes and fissure completeness, all of which can be assessed by CT imaging. However, quantification of COPD severity can be confounded by the CT acquisition and reconstruction parameter selections used in the imaging protocol. These can also affect the ability to assess fissure completeness. In addition, traditional measures of COPD severity (i.e. Emphysema score) do not distinguish lung destruction from airtrapping, which may be important in assessing whether a patient is a good candidate for an EBV. In this proposal, we will investigate methods to standardize CT imaging data that would allow for more robust quantitative image analysis and apply the resulting methods to develop a more robust criteria for patient selection for the application of EBV devices. Therefore, our Specific Aims are: (1) To develop methods for robust, quantitative CT estimates of lung density and the Fissure Integrity Score (FIS). This will involve the application of methods to account for differences in CT scanners and acquisition/reconstruction parameters as well as machine learning methods to more accurately assess lung fissure integrity; (2) To develop and test an EBV predictive model using improved measures. Using the improved estimates of lung density and FIS from aim 1, we will develop and test a predictive model that distinguishes EBV responders from non-responders; and (3) To extend the EBV Prediction Model to incorporate additional biomarkers. We will extend the EBV scoring model by investigating other biomarkers that may provide complementary information, such as distinguishing airtrapping from COPD and an assessment of lung vascularity. We evaluate the ability of this extended model to improve our ability to distinguish EBV responders from non-responders.
项目总结

项目成果

期刊论文数量(0)
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MATTHEW S BROWN其他文献

MATTHEW S BROWN的其他文献

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{{ truncateString('MATTHEW S BROWN', 18)}}的其他基金

Robust Clinical Translation of CT Imaging Biomarker in COPD for EBV Patient Selection
COPD 中 CT 成像生物标志物的稳健临床转化,用于 EBV 患者选择
  • 批准号:
    10378091
  • 财政年份:
    2021
  • 资助金额:
    $ 68.23万
  • 项目类别:
Robust Clinical Translation of CT Imaging Biomarker in COPD for EBV Patient Selection
COPD 中 CT 成像生物标志物的稳健临床转化,用于 EBV 患者选择
  • 批准号:
    10212136
  • 财政年份:
    2021
  • 资助金额:
    $ 68.23万
  • 项目类别:
Quantitative CT Imaging for Response Assessment when using Dose Reduction Methods
使用剂量减少方法时用于疗效评估的定量 CT 成像
  • 批准号:
    8615963
  • 财政年份:
    2014
  • 资助金额:
    $ 68.23万
  • 项目类别:
Quantitative CT Imaging for Response Assessment when using Dose Reduction Methods
使用剂量减少方法时用于疗效评估的定量 CT 成像
  • 批准号:
    9055664
  • 财政年份:
    2014
  • 资助金额:
    $ 68.23万
  • 项目类别:
Quantitative CT Imaging for Response Assessment when using Dose Reduction Methods
使用剂量减少方法时用于疗效评估的定量 CT 成像
  • 批准号:
    8841696
  • 财政年份:
    2014
  • 资助金额:
    $ 68.23万
  • 项目类别:
PATIENT SPECIFIC MODELS IN LUNG CANCER SCREENING WITH CT
CT 肺癌筛查中的患者特异性模型
  • 批准号:
    6702255
  • 财政年份:
    2001
  • 资助金额:
    $ 68.23万
  • 项目类别:
PATIENT SPECIFIC MODELS IN LUNG CANCER SCREENING WITH CT
CT 肺癌筛查中的患者特异性模型
  • 批准号:
    6498036
  • 财政年份:
    2001
  • 资助金额:
    $ 68.23万
  • 项目类别:
PATIENT SPECIFIC MODELS IN LUNG CANCER SCREENING WITH CT
CT 肺癌筛查中的患者特异性模型
  • 批准号:
    6628487
  • 财政年份:
    2001
  • 资助金额:
    $ 68.23万
  • 项目类别:
PATIENT SPECIFIC MODELS IN LUNG CANCER SCREENING WITH CT
CT 肺癌筛查中的患者特异性模型
  • 批准号:
    6226324
  • 财政年份:
    2001
  • 资助金额:
    $ 68.23万
  • 项目类别:

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