Novel MRE Technique to Assess Tissue Viscoelasticity as a Risk Factor for Liver Cancer
试验速览
- 阶段
- 不适用
- 状态
- 进行中（未招募）
- 发起方
- 入组人数
- 35
- 试验地点
- 1
- 主要终点
- Novel MRE technique to assess tissue viscoelasticity as a risk factor for liver cancer
研究概览
简要总结
The aim of this proposal is to investigate a novel imaging method to identify patients with non-alcoholic steatohepatitis (NASH) who are at risk for hepatocellular carcinoma (HCC).
详细描述
NASH is the most common cause of chronic liver disease, and it is estimated that 40-50% of patients with obesity and T2DM have NASH. NASH can lead to HCC with the risk increasing 2-3 fold in patient with poor glycemic control. Unless caught early, HCC has a poor prognosis with no effective therapies. A unique feature of HCC in NASH is that it often arises at a pre-cirrhotic stage, and the prognosis is often dismal. There are no current surveillance strategies for these pre-cirrhotic patients. Based on our animal models and pilot patient studies, we developed a novel paradigm that linked liver matrix changes to a more aggressive HCC phenotype. Our goal is to develop an imaging-based surveillance tool that will identify early matrix changes that may predispose to HCC.
研究设计
- 研究类型
- Observational
- 观察模型
- Case Control
- 时间视角
- Prospective
入排标准
- 年龄范围
- 18 Years 至 99 Years（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Male or non-pregnant/non-lactating women ≥ 18 years of age
- •Diagnosis of NASH
- •Diagnosis of pre-cirrhotic fibrosis (F1-F3), diagnosed as per standard of care (history, exam, laboratory tests, Fibroscan, within 6 months of enrollment)
- •Na-MELD < 9: The Na-MELD (sodium-Model for End Stage Liver Disease) score is routinely used to assess liver synthetic function and life expectancy. Patients with Na-MELD<9 have less than 1.9% 3 months liver-related mortality risk, and their liver synthetic function is normal.
- •Groups both with and without T2DM will be enrolled.
- •Women of childbearing potential must agree to at least two methods of contraception.
- •Will not participate in any other clinical trial for the duration of the study
- •Will not consume alcohol for the duration of the study
- •If on vitamin E, pioglitazone or any anti diabetic treatment prior to the study, will have been on stable therapies for 6 months prior to enrolment.
- •Able to undergo 3 Tesla MRI and complete MRI screening form
- •Ability to understand and the willingness to sign a written informed consent document.
- •ECOG or Karnofsky Performance Status will be not be employed
排除标准
- •Presence of any other form of liver disease, including viral hepatitis, autoimmune hepatitis, alcoholic liver disease, genetic causes of chronic liver disease, cardiogenic liver disease, and HIV positivity (can cause liver fibrosis).
- •ALT>300 U/l
- •Total serum bilirubin ≥ to 1.3 mg/dL (Gilbert's Syndrome patients are excepted)
- •International Normalized Ratio (INR) ≥ 1.3
- •Serum creatinine >2.0mg/dl
- •Known alcohol abuse or alcohol use disorder (AUDIT profile and/or pos. urine ethylglucuronide):
- •>20 g/day for women
- •>30 g/day for men
- •Active substance abuse
- •Platelet count ≤100//mm3
- •Hemoglobin <11 g/dl in females or <12 g/dl in males
- •Presence/history of HCC, or other primary or metastatic cancer to the liver.
- •History of liver transplantation
- •History of bariatric surgery
- •History of inflammatory bowel disease
- •History of advanced pulmonary disease
- •Any concerns regarding compliance by enrolling physician
- •Pregnant or lactating women.
- •Presence of cardiac implantable electronic device (CIED)
- •History of CIED with retained leads
- •Presence of any metallic foreign body that is unsafe for the MRI environment
- •Inability to undergo MRI based on responses to the MRI screening form
- •History of claustrophobia or the need for sedation to undergo MRI
结局指标
主要结局
Novel MRE technique to assess tissue viscoelasticity as a risk factor for liver cancer
时间窗: For individual patients: duration of the study 8 weeks (including lab, scheduling the MR and 4w post MR period).
Safety:MRE evaluation of the liver for stiffness is a standard of care test. We do not expect issues as this is a non-invasive technique. Our MR may require a longer session compared to the traditional MRE (40 minutes of scan time for multifrequency MRE, as compared to 25 minutes for conventional MRE). However, all issues, patient symptoms will be recorded. Technical Feasibility: The MRE algorithm we will use has previously been shown to produce data from a different scanner platform, across all frequencies. Feasibility of multifrequency MRE will be assessed by descriptive summary of technical success and image quality for each of the individual reconstructed MRE datasets (stiffness, elasticity, and viscosity). Mean and standard deviation for the MRE outcome variables viscosity elasticity and stiffness will be presented and tested for the difference in means between the 2 groups by way of ANOVA, and if a difference is found, followed by Tukey's test.
次要结局
- Studies on liver injury and glycemic control.(For individual patients: duration of the study 8 weeks)
研究者
Natalie Torok
Professor of Medicine
Stanford University