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Prevalence, Incidence and Characteristics of NAFLD/NASH in Type 1 Diabetes Mellitus (NAFLDIA1)

2022年3月3日 更新者:Christophe De Block、University Hospital, Antwerp

Prevalence, Incidence and Characteristics of NAFLD/NASH in Type 1 Diabetes Mellitus Obtained Via a Non-invasive Screening Protocol

Nonalcoholic fatty liver disease (NAFLD) is a condition characterized by intrahepatic fat accumulation. It is closely related to insulin resistance. To date, it remains unclear whether NAFLD is common in patients with type 1 diabetes or if NAFLD translates into an increased health burden in this population. Screening for NAFLD is challenging due to the limitations of non-invasive diagnostic tools.

Liver biopsy remains the gold standard but is not suited for routine screening or clinical studies. Therefore, there is a great demand for accurate non-invasive screening tools that can not only diagnose but also stage NAFLD. This study aims to generate a large cohort of thoroughly characterized type 1 diabetes patients screened for NAFLD using multiple non-invasive tools including MRI, ultrasound, controlled attenuation parameter, and score panels. We aim to generate a biobank to promote a research collaboration network in the field of non-invasive diagnosis of NAFLD.

A secondary endpoint is to investigate the potential correlation between the presence of NAFLD and the occurrence of micro-or macrovascular complications in patients with diabetes.

研究概览

详细说明

This study aims to characterize and follow a thoroughly characterized cohort of adult type 1 diabetes patients free from secondary liver disease due to excessive alcohol usage, viral hepatitis, alfa-1 antitrypsin deficiency, Wilson's disease or steatogenic or hepatotoxic drug use.

The investigators will screen for NAFLD and fibrosis using multiple non-invasive techniques including

  • ultrasound
  • controlled attenuation parameter
  • fatty liver index
  • human steatosis index
  • transient elastography
  • FIB-4
  • NAFLD fibrosis score
  • NASH algorithm based on multiple parameters

Subjects will be screened for microvascular and microvascular complications with:

  • ECG
  • microfilament examination
  • 24hour urine collection for microalbuminuria
  • serum kidney test (creatinine, eGFR)
  • fundoscopy
  • peripheral arterial pulsation palpation

The investigators will subsequently thoroughly characterize various metabolic and anthropometric parameters and document any microvascular or macrovascular complications.

The patients will be annually rescreened for both NAFLD-related as cardiovascular variables. Therefore this study will assess the correlation between NAFLD, cardiovascular risk, and type 1 diabetes in a prospective manner.

研究类型

观察性的

注册 (预期的)

700

联系人和位置

本节提供了进行研究的人员的详细联系信息,以及有关进行该研究的地点的信息。

学习联系方式

研究联系人备份

学习地点

    • Antwerp
      • Edegem、Antwerp、比利时、2650
        • 招聘中
        • Antwerp University Hospital
        • 接触:

参与标准

研究人员寻找符合特定描述的人,称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。

资格标准

适合学习的年龄

18年 及以上 (成人、年长者)

接受健康志愿者

有资格学习的性别

全部

取样方法

非概率样本

研究人群

Adult type 1 diabetes patients followed in the outpatient diabetes clinic of the Antwerp University Hospital

描述

Inclusion Criteria:

  • Type 1 diabetes
  • Adult age
  • Informed consent given

Exclusion Criteria:

  • Secondary liver disease
  • Excess alcohol usage
  • Pregnancy
  • Use of steatogenic medication
  • Active cancer or oncological treatment
  • History of organ transplantation

学习计划

本节提供研究计划的详细信息,包括研究的设计方式和研究的衡量标准。

研究是如何设计的?

设计细节

队列和干预

团体/队列
干预/治疗
NAFLD + type 1 diabetes
type 1 diabetes patient with NAFLD on screening
ultrasound to check for NAFLD according to Saverymuttu criteria
elastography to compare liver stiffness indices
CAP is a non-invasive additive on Fibroscan (trademark) which can quantify hepatic steatosis
the FLI is a score panel designed to screen for NAFLD
the FIB-4 is a score panel designed to screen for significant fibrosis
the NFS is a score panel designed to screen for significant fibrosis
noNAFLD + type 1 diabetes
type 1 diabetes patient without NAFLD on screening
ultrasound to check for NAFLD according to Saverymuttu criteria
elastography to compare liver stiffness indices
CAP is a non-invasive additive on Fibroscan (trademark) which can quantify hepatic steatosis
the FLI is a score panel designed to screen for NAFLD
the FIB-4 is a score panel designed to screen for significant fibrosis
the NFS is a score panel designed to screen for significant fibrosis

研究衡量的是什么?

主要结果指标

结果测量
措施说明
大体时间
Prevalence of NAFLD in type 1 diabetes: percentage of patients with indices of liver steatosis and/or NASH and/or fibrosis.
大体时间:one year
Determination of the cross-sectional prevalence of NAFLD in a cohort of type 1 diabetes patient (population size approximately 1000 subjects) according to ultrasound criteria, FLI≥60, HSI≥36, controlled attenuation parameter >215dB/m (M-probe) or ≥250 dB/m (XL probe) and MRI-PDFF >5% hepatocyte steatosis (reference method). All measures will be performed in a combined and standardized protocol to explore their diagnostic accuracy (see outcome 4).
one year
Incidence of NAFLD in type 1 diabetes.
大体时间:five years
Incidence of NAFLD in type 1 diabetes determined by new cases of NAFLD according to ultrasound criteria, FLI≥60, HSI≥36, controlled attenuation parameter >215dB/m (M-probe) or ≥250 dB/m (XL probe) or MRI-PDFF >5% hepatocyte fat infiltration (reference method)
five years
correlation of NAFLD with microvascular and macrovascular complications in type 1 diabetes mellitus: odds ratio to have prevalent complications in NAFLD and diabetes compared to diabetes without NAFLD
大体时间:one year
The correlation between indices of microvascular (neuropathy assessed by microfilament test, nephropathy assessed by microalbuminuria rate and retinopathy assessed by fundoscopic criteria) or macrovascular (non-fatal ischemic coronary disease, non-fatal cerebrovascular disease, non-fatal peripheral artery disease, or mortality due to cardiovascular disease) complications will be compared between groups with and without NAFLD as determined by the abovementioned screening tools.
one year
Association of NAFLD with microvascular and macrovascular complications in type 1 diabetes mellitus: odds ratio to develop in NAFLD and diabetes compared to diabetes without NAFLD in subjects with no prior complications
大体时间:five years
The association between indices of microvascular (neuropathy assessed by microfilament test, nephropathy assessed by microalbuminuria rate and retinopathy assessed by fundoscopic criteria) or macrovascular (non-fatal ischemic coronary disease, non-fatal cerebrovascular disease, non-fatal peripheral artery disease or mortality due to cardiovascular disease) complications will be assessed between groups with and without NAFLD, but all without prior micro- or macrovascular disease as determined by the abovementioned screening tools.
five years

次要结果测量

结果测量
措施说明
大体时间
Diagnostic accuracy of non-invasive tools for NAFLD in type 1 diabetes: comparison of AUROC and diagnostic accuracy
大体时间:five years
The investigators will compare the abovementioned non-invasive tools to diagnose and grade liver steatosis and fibrosis with the predefined gold standard (MRI-PDFF for steatosis and magnetic resonance elastography for fibrosis). Correlations and agreement statistics will be performed for each index. Using regression analysis, a new specific algorithm will be developed based on cohort-specific cutoffs. Using longitudinal data, a prediction score will be determined to predict NAFLD occurrence or NAFLD progression.
five years
Natural history of NAFLD in type 1 diabetes
大体时间:five years
Timewise description of the progression of quantitative indices of liver steatosis and fibrosis on the abovementioned tools (ultrasound, score systems, elastography) to assess the natural evolution of NAFLD. Every year this assay will be performed. MRI-PDFF will be performed in 5 years as a reference method to mark the five-year follow-up window
five years

合作者和调查者

在这里您可以找到参与这项研究的人员和组织。

调查人员

  • 首席研究员:Christophe De Block, M.D., PhD、Universiteit Antwerpen
  • 首席研究员:Sven Francque, M.D., PhD、Universiteit Antwerpen

出版物和有用的链接

负责输入研究信息的人员自愿提供这些出版物。这些可能与研究有关。

一般刊物

研究记录日期

这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查,以确保它们在发布到公共网站之前符合特定的质量控制标准。

研究主要日期

学习开始 (实际的)

2018年9月17日

初级完成 (预期的)

2023年7月30日

研究完成 (预期的)

2025年7月30日

研究注册日期

首次提交

2020年11月4日

首先提交符合 QC 标准的

2020年12月10日

首次发布 (实际的)

2020年12月11日

研究记录更新

最后更新发布 (实际的)

2022年3月4日

上次提交的符合 QC 标准的更新

2022年3月3日

最后验证

2022年3月1日

更多信息

与本研究相关的术语

计划个人参与者数据 (IPD)

计划共享个人参与者数据 (IPD)?

IPD 计划说明

monocentric study

药物和器械信息、研究文件

研究美国 FDA 监管的药品

研究美国 FDA 监管的设备产品

是的

在美国制造并从美国出口的产品

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