TMEM-MRI: A Pilot Feasibility Study of Magnetic Resonance Imaging for Imaging of TMEM (Tumor Microenvironment of Metastasis) in Patients With Operable Breast Cancer
试验速览
- 阶段
- 不适用
- 状态
- 招募中
- 入组人数
- 95
- 试验地点
- 2
- 主要终点
- Tumor permeability assessed by TMEM-MRI
研究概览
简要总结
The aim of this study is to assess feasibility of a new imaging technology in the management of breast cancer - Tumor Microenvironment of Metastasis - Magnetic Resonance imaging (TMEM-MRI).
详细描述
The primary objective of this study is to develop a magnetic resonance imaging (MRI) based method for assessing TMEM-mediated permeability associated with cancer cell dissemination in breast cancer patients. TMEM-MRI has the ability to detect tumor areas with more leakiness (perfusion), where cancer cells enter blood vessels to travel to other sites. This novel TMEM-MRI has potential to be used in clinical practice to identify tumors with high leakiness that might have higher chances to recur after breast cancer treatment. In addition, TMEM-MRI can potentially be used to assess response to preoperative treatments (chemotherapy, hormonal therapy) over time.
In a prior study, it was found that patients with high TMEM doorway score, compared to patients with mid/low TMEM doorway score, in their residual disease after neoadjuvant therapy, had worse distant relapse-free survival (p = 0.008). These results demonstrated that TMEM doorway density after neoadjuvant therapy is a prognostic biomarker of breast cancer outcomes. In the initial development of the proposed TMEM MRI in humans, the tumor microenvironment is naïve to treatment. However, neoadjuvant therapy may affect the tumor microenvironment which could affect vascular anatomy - a key component of the TMEM MRI algorithm. Therefore, the study team aims to assess the correlation between TMEM doorway density and TMEM MRI activity after neoadjuvant therapy (Pilot Cohort C).
研究设计
- 研究类型
- Interventional
- 分配方式
- Non Randomized
- 干预模型
- Parallel
- 主要目的
- Other
- 盲法
- None
盲法说明
no need for masking, all patients will undergo TMEM-MRI
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- 未提供
排除标准
- 未提供
结局指标
主要结局
Tumor permeability assessed by TMEM-MRI
时间窗: Cohort B: ~14 days following breast biopsy and signing of consent. Cohort C: After neoadjuvant therapy and signing of consent and 0-56 days before surgery
Tumor permeability will be assessed by TMEM-MRI, and is defined as a number of Uth units (the number of tumor voxels with permeability density above threshold divided by the number of all tumor voxels) that will be obtained from the permeability map and TMEM-MRI algorithm.
次要结局
- Circulating Tumor Cells (CTCs)(Cohort B: ~14 days following breast biopsy and signing of consent. Cohort C: After neoadjuvant therapy and consent and 0-56 days before surgery)
- TMEM density in breast cancer patients(Cohort B: ~14 days following breast biopsy and consent. Cohort C: After neoadjuvant therapy and signing of consent analyses. Conducted on tissue sections from formalin-fixed paraffin-embedded breast cancer specimen resected for therapeutic purposes)
- MenaCalc(Cohort B: ~14 days following breast biopsy and consent. Cohort C: After neoadjuvant therapy and signing of consent analyses. Conducted on tissue sections from formalin-fixed paraffin-embedded breast cancer specimen resected for therapeutic purposes)
- MenaInv(Cohort B: ~14 days following breast biopsy and consent. Cohort C: After neoadjuvant therapy and signing of consent analyses. Conducted on tissue sections from formalin-fixed paraffin-embedded breast cancer specimen resected for therapeutic purposes)
- Circulating Tumor Cells (CTCs)(Cohort B: ~14 days following breast biopsy and signing of consent. Cohort C: After neoadjuvant therapy and consent and 0-56 days before surgery)