Improved Detection of Cerebral Metastases using a using a Novel T1 Relaxation-Enhanced Steady-State (T1RESS) MRI Technique

使用新型 T1 弛豫增强稳态 (T1RESS) MRI 技术改进脑转移瘤的检测

基本信息

  • 批准号:
    10609032
  • 负责人:
  • 金额:
    $ 49.76万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2022
  • 资助国家:
    美国
  • 起止时间:
    2022-04-12 至 2027-03-31
  • 项目状态:
    未结题

项目摘要

Contrast-enhanced magnetic resonance imaging (MRI) is the cornerstone for brain tumor diagnosis and treatment planning. While its sensitivity for metastases is superior to that of CT or PET-CT, small lesions (<5- mm) and leptomeningeal spread may still be missed, which can have a major impact on prognosis and planning for stereotactic radiosurgery, as well as on the use of targeted biologics that cross the blood-brain barrier. A method that could further improve the sensitivity and specificity of MRI for brain tumors would be of great clinical benefit. Towards this end, we have developed a new class of pulse sequences, called T1 Relaxation-Enhanced Steady-State (T1RESS), that greatly improves the visibility of tumors in contrast- enhanced MRI. Compared with existing neuroimaging techniques, T1RESS at least doubles the tumor-to- background contrast while significantly improving the tumor-to-background contrast-to-noise ratio. An “unbalanced” version (uT1RESS) renders blood vessel dark and is the focus of our proposal. In a preliminary study of 54 adult patients that was published in Science Advances, uT1RESS provided a remarkable twofold or greater improvement in tumor-to-brain contrast along with a marked improvement in lesion-to-brain contrast-to-noise in comparison to standard-of-care MPRAGE and other pulse sequences that are commonly used to image brain tumors. We found that even small metastatic tumor deposits and leptomeningeal lesions that were difficult to distinguish from small blood vessels with standard imaging techniques could be unambiguously identified. The primary hypothesis of this five-year grant proposal is that T1RESS will significantly improve the sensitivity for small brain metastases compared with existing MRI pulse sequences, while also reducing scan times. A secondary hypothesis is that the twofold improvement in tumor-to-brain contrast obtained with uT1RESS can be used to enable a substantial twofold reduction in gadolinium-based contrast agent (GBCA) dosage. Studies of phantoms, healthy volunteers, and patients with brain tumors along with Bloch equation modeling will be used to guide sequence optimization. These optimization efforts will be followed by a two- institution study to determine the accuracy of the technique. Our specific aims are as follows: 1. To apply uT1RESS in healthy subjects and patients with brain tumors to systematically evaluate the impact of various sequence parameters on image appearance, contrast, SNR, and lesion sharpness, and to optimize the technique to maximize tumor visibility while minimizing scan time and image artifacts. 2. To perform a pilot study to determine whether metrics of tumor visibility using uT1RESS and a twofold reduced GBCA contrast agent dosage are noninferior to MPRAGE with a standard contrast agent dosage. 3. To perform a two-site research trial at 3T to characterize the appearance of brain metastases with uT1RESS, and to determine its accuracy for small brain metastases compared to standard-of-care MPRAGE.
对比增强磁共振成像(MRI)是脑肿瘤诊断的基石, 治疗计划虽然其对转移灶的敏感性上级于CT或PET-CT,但小病灶(<5- mm)和软脑膜扩散仍然可能被遗漏,这可能对预后产生重大影响, 计划立体定向放射外科手术,以及使用靶向生物制剂,通过血脑 屏障一种可以进一步提高MRI对脑肿瘤的敏感性和特异性的方法将是 巨大的临床效益。为此,我们开发了一类新的脉冲序列,称为T1 弛豫增强稳态(T1 RESS),大大提高了肿瘤的可见性, 增强MRI。与现有的神经影像学技术相比,T1 RESS至少使肿瘤- 背景对比度,同时显著改善肿瘤-背景对比度-噪声比。一个 “不平衡”版本(uT 1 RESS)使血管变暗,是我们提案的重点。 在发表在《科学进展》上的一项针对54名成年患者的初步研究中,uT 1 RESS提供了 肿瘤-脑对比度显著提高两倍或更高, 与标准护理MPPT和其他脉冲序列相比, 通常被用来给脑肿瘤成像我们发现,即使是很小的转移性肿瘤沉积, 标准成像难以与小血管区分的软脑膜病变 技术可以明确识别。 这项为期五年的赠款提案的主要假设是,T1 RESS将显着改善 与现有MRI脉冲序列相比,对小脑转移瘤的敏感性,同时还减少了扫描 次第二个假设是,使用该方法获得的肿瘤与脑对比度提高了两倍 uT 1 RESS可用于使钆基造影剂(GBCA)的使用量大幅减少两倍 剂量.沿着Bloch方程研究脑肿瘤患者、健康志愿者和幻肢 建模将用于指导序列优化。这些优化工作之后,将有两个- 机构研究,以确定该技术的准确性。我们的具体目标如下: 1.在健康受试者和脑肿瘤患者中应用uT 1 RESS,系统评价 各种序列参数的图像外观,对比度,信噪比和病变清晰度,并优化 最大化肿瘤可见度同时最小化扫描时间和图像伪影的技术。 2.进行一项初步研究,以确定是否使用uT 1 RESS和双重 减少的GBCA造影剂剂量不劣于使用标准造影剂剂量的MPPT。 3.在3 T下进行一项双中心研究试验,以描述脑转移瘤的外观, uT 1 RESS,并确定其与标准治疗MPT 3相比对小脑转移瘤的准确性。

项目成果

期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)

数据更新时间:{{ journalArticles.updateTime }}

{{ item.title }}
{{ item.translation_title }}
  • DOI:
    {{ item.doi }}
  • 发表时间:
    {{ item.publish_year }}
  • 期刊:
  • 影响因子:
    {{ item.factor }}
  • 作者:
    {{ item.authors }}
  • 通讯作者:
    {{ item.author }}

数据更新时间:{{ journalArticles.updateTime }}

{{ item.title }}
  • 作者:
    {{ item.author }}

数据更新时间:{{ monograph.updateTime }}

{{ item.title }}
  • 作者:
    {{ item.author }}

数据更新时间:{{ sciAawards.updateTime }}

{{ item.title }}
  • 作者:
    {{ item.author }}

数据更新时间:{{ conferencePapers.updateTime }}

{{ item.title }}
  • 作者:
    {{ item.author }}

数据更新时间:{{ patent.updateTime }}

Robert R. Edelman其他文献

Prospective comparison of brain tumor detection and characterization using post-contrast Dixon uT1RESS and MPRAGE at 3 Tesla
在 3 特斯拉下使用对比后 Dixon uT1RESS 和 MPRAGE 对脑肿瘤检测和特征描述的前瞻性比较
  • DOI:
    10.1016/j.ejrad.2025.112283
  • 发表时间:
    2025-10-01
  • 期刊:
  • 影响因子:
    3.300
  • 作者:
    Adrienn Tóth;Robert R. Edelman;Muhammad Taha Hagar;Dmitrij Kravchenko;Milán Vecsey-Nagy;James Ira Griggers;Jonathan Eernisse;Tilman Emrich;M. Vittoria Spampinato;Akos Varga-Szemes
  • 通讯作者:
    Akos Varga-Szemes
Acute diarrheal infections in infants I. Bacterial and viral causes.
婴儿急性腹泻感染 I. 细菌和病毒原因。
  • DOI:
  • 发表时间:
    1980
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Robert R. Edelman;Myron M. Levine
  • 通讯作者:
    Myron M. Levine
Breath-hold, whole-chest, equilibrium phase contrast-enhanced MR angiography using highly accelerated nonselective balanced T1 relaxation-enhanced steady-state (bT1RESS)
屏气全胸平衡稳态进动快速成像增强磁共振血管造影
  • DOI:
    10.1016/j.jocmr.2024.101615
  • 发表时间:
    2025-03-01
  • 期刊:
  • 影响因子:
    6.100
  • 作者:
    Robert R. Edelman;Amit Pursnani;Nondas Leloudas;Ioannis Koktzoglou
  • 通讯作者:
    Ioannis Koktzoglou
The epidemiology of acquired immunodeficiency syndrome among heterosexuals.
异性恋者中获得性免疫缺陷综合征的流行病学。
  • DOI:
    10.1001/jama.1988.03410130130038
  • 发表时间:
    1988
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Harry W. Haverkos;Robert R. Edelman
  • 通讯作者:
    Robert R. Edelman
A comprehensive evaluation of the left atrium using cardiovascular magnetic resonance
使用心血管磁共振对左心房进行综合评估
  • DOI:
    10.1016/j.jocmr.2025.101852
  • 发表时间:
    2025-06-01
  • 期刊:
  • 影响因子:
    6.100
  • 作者:
    Maurice Pradella;Mohammed S.M. Elbaz;Daniel C. Lee;KyungPyo Hong;Rod S. Passman;Eugene Kholmovski;Dana C. Peters;Justin J. Baraboo;Daniel A. Herzka;Reza Nezafat;Robert R. Edelman;Daniel Kim
  • 通讯作者:
    Daniel Kim

Robert R. Edelman的其他文献

{{ item.title }}
{{ item.translation_title }}
  • DOI:
    {{ item.doi }}
  • 发表时间:
    {{ item.publish_year }}
  • 期刊:
  • 影响因子:
    {{ item.factor }}
  • 作者:
    {{ item.authors }}
  • 通讯作者:
    {{ item.author }}

{{ truncateString('Robert R. Edelman', 18)}}的其他基金

Twofold Reduction in Gadolinium Dose for Brain MRI Exams using a Novel Unbalanced T1 Relaxation-Enhanced Steady-State (uT1RESS) Technique
使用新型不平衡 T1 弛豫增强稳态 (uT1RESS) 技术将脑 MRI 检查的钆剂量减少两倍
  • 批准号:
    10507378
  • 财政年份:
    2022
  • 资助金额:
    $ 49.76万
  • 项目类别:
Twofold Reduction in Gadolinium Dose for Brain MRI Exams using a Novel Unbalanced T1 Relaxation-Enhanced Steady-State (uT1RESS) Technique
使用新型不平衡 T1 弛豫增强稳态 (uT1RESS) 技术将脑 MRI 检查的钆剂量减少两倍
  • 批准号:
    10671616
  • 财政年份:
    2022
  • 资助金额:
    $ 49.76万
  • 项目类别:
Improved Detection of Cerebral Metastases using a using a Novel T1 Relaxation-Enhanced Steady-State (T1RESS) MRI Technique
使用新型 T1 弛豫增强稳态 (T1RESS) MRI 技术改进脑转移瘤的检测
  • 批准号:
    10440636
  • 财政年份:
    2022
  • 资助金额:
    $ 49.76万
  • 项目类别:
Nonenhanced 3T QISS MR Angiography of the Peripheral Arteries
非增强 3T QISS MR 外周动脉血管造影
  • 批准号:
    9324355
  • 财政年份:
    2015
  • 资助金额:
    $ 49.76万
  • 项目类别:
Nonenhanced 3T QISS MR Angiography of the Peripheral Arteries
非增强 3T QISS MR 外周动脉血管造影
  • 批准号:
    9766368
  • 财政年份:
    2015
  • 资助金额:
    $ 49.76万
  • 项目类别:
Non-Contrast Magnetic Resonance Angiography of Peripheral Vascular Disease
周围血管疾病的非对比磁共振血管造影
  • 批准号:
    8402153
  • 财政年份:
    2010
  • 资助金额:
    $ 49.76万
  • 项目类别:
Non-Contrast Magnetic Resonance Angiography of Peripheral Vascular Disease
周围血管疾病的非对比磁共振血管造影
  • 批准号:
    8034741
  • 财政年份:
    2010
  • 资助金额:
    $ 49.76万
  • 项目类别:
Non-Contrast Magnetic Resonance Angiography of Peripheral Vascular Disease
周围血管疾病的非对比磁共振血管造影
  • 批准号:
    8206849
  • 财政年份:
    2010
  • 资助金额:
    $ 49.76万
  • 项目类别:
Non-Contrast Magnetic Resonance Angiography of Peripheral Vascular Disease
周围血管疾病的非对比磁共振血管造影
  • 批准号:
    7786580
  • 财政年份:
    2010
  • 资助金额:
    $ 49.76万
  • 项目类别:
MR-Guided Endovascular Intervention Using Off-Resonance Contrast Angiography
使用非共振造影血管造影的 MR 引导血管内干预
  • 批准号:
    7588560
  • 财政年份:
    2009
  • 资助金额:
    $ 49.76万
  • 项目类别:

相似海外基金

Linking Epidermis and Mesophyll Signalling. Anatomy and Impact in Photosynthesis.
连接表皮和叶肉信号传导。
  • 批准号:
    EP/Z000882/1
  • 财政年份:
    2024
  • 资助金额:
    $ 49.76万
  • 项目类别:
    Fellowship
Digging Deeper with AI: Canada-UK-US Partnership for Next-generation Plant Root Anatomy Segmentation
利用人工智能进行更深入的挖掘:加拿大、英国、美国合作开发下一代植物根部解剖分割
  • 批准号:
    BB/Y513908/1
  • 财政年份:
    2024
  • 资助金额:
    $ 49.76万
  • 项目类别:
    Research Grant
Simultaneous development of direct-view and video laryngoscopes based on the anatomy and physiology of the newborn
根据新生儿解剖生理同步开发直视喉镜和视频喉镜
  • 批准号:
    23K11917
  • 财政年份:
    2023
  • 资助金额:
    $ 49.76万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Genetics of Extreme Phenotypes of OSA and Associated Upper Airway Anatomy
OSA 极端表型的遗传学及相关上呼吸道解剖学
  • 批准号:
    10555809
  • 财政年份:
    2023
  • 资助金额:
    $ 49.76万
  • 项目类别:
computational models and analysis of the retinal anatomy and potentially physiology
视网膜解剖学和潜在生理学的计算模型和分析
  • 批准号:
    2825967
  • 财政年份:
    2023
  • 资助金额:
    $ 49.76万
  • 项目类别:
    Studentship
Computational comparative anatomy: Translating between species in neuroscience
计算比较解剖学:神经科学中物种之间的翻译
  • 批准号:
    BB/X013227/1
  • 财政年份:
    2023
  • 资助金额:
    $ 49.76万
  • 项目类别:
    Research Grant
Doctoral Dissertation Research: Social and ecological influences on brain anatomy
博士论文研究:社会和生态对大脑解剖学的影响
  • 批准号:
    2235348
  • 财政年份:
    2023
  • 资助金额:
    $ 49.76万
  • 项目类别:
    Standard Grant
Development of a novel visualization, labeling, communication and tracking engine for human anatomy.
开发一种新颖的人体解剖学可视化、标签、通信和跟踪引擎。
  • 批准号:
    10761060
  • 财政年份:
    2023
  • 资助金额:
    $ 49.76万
  • 项目类别:
Understanding the functional anatomy of nociceptive spinal output neurons
了解伤害性脊髓输出神经元的功能解剖结构
  • 批准号:
    10751126
  • 财政年份:
    2023
  • 资助金额:
    $ 49.76万
  • 项目类别:
The Anatomy of Online Reviews: Evidence from the Steam Store
在线评论剖析:来自 Steam 商店的证据
  • 批准号:
    2872725
  • 财政年份:
    2023
  • 资助金额:
    $ 49.76万
  • 项目类别:
    Studentship
{{ showInfoDetail.title }}

作者:{{ showInfoDetail.author }}

知道了