- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04054310
Non-Invasive Quantification of Liver Health in NASH (N-QUAN)
Non-Invasive Quantification of Liver Health in NASH (N-QUAN): A Prospective Diagnostic Accuracy Study
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
NASH trials will often use the criteria proposed by the NASH Clinical Research Network (NASH-CRN), the NAS scoring system, to classify patients as suitable for study enrolment. NAS is a summation of the histology scores for fat (0-3), inflammation (0-3), and ballooning (0-2) with a score of 4 or 5 or higher regarded as NASH. Whilst the score doesn't include fibrosis, the rapidly evolving clinical trials landscape in NASH has seen a shift in emphasis from drugs proposed to target liver fat to the targeting of fibrosis. This was due to observations contrary to the previously held belief that fibrosis could not improve, and the data to support fibrosis being predictive of clinical outcomes. As a result, many clinical trials now require patients to have a NAS ≥4 or 5, with the regulatory accepted criteria requirement for at least a score of 1 for inflammation and 1 for ballooning, and evidence of fibrosis of stage 2 or more (scored using the Kleiner-Brunt (0-4) scale). The route by which a liver biopsy is indicated for inclusion to a clinical trial is usually based on patient presentation and clinical work-up. In the Primary care patient presents with clinical risk factors for NASH like metabolic syndrome. Blood biomarkers will be checked and if raised patient will be referred to the hepatology. In the secondary care patient might have a transient elastography and if CAP is equal or more than 280 and LSM is equal or more than 7 kPa, patient will have biopsy.
However clinical risk factors are often not sensitive enough, and NASH trials often suffer from high levels of screen fails at biopsy, meaning a large proportion are unnecessarily biopsied. Screening strategies are becoming increasingly more popular in order to reduce the number that fail screening and metrics derived from magnetic resonance imaging (MRI) such as T1-mapping and PDFF are emerging as promising diagnostic screening biomarkers in NASH.
MRI exploits the magnetic properties of hydrogen nuclei protons within a determined magnetic field. T1 mapping measures longitudinal relaxation time, a measure of how long it takes for protons to re-equilibrate their spins to the magnetic field after being excited by a radiofrequency pulse, and thus is an indicator of regional tissue water (proton) content. T1 mapping has shown promise as an effective biomarker of liver inflammation and fibrosis, as T1 relaxation time lengthens with increases in extracellular fluid (which may be caused by fibrosis and/or inflammation). The presence of iron however, which can be accurately measured from MRI-T2star (T2*) relaxation time, shortens the T1, and thus must be accounted for. An algorithm has been created (Perspectum Diagnostics) that allows for the bias introduced by elevated iron to be removed from the T1 measurements, yielding the iron corrected T1 (cT1). Iron corrected T1 (cT1) has been shown to correlate with fibro-inflammatory disease and can effectively stratify patients with NASH and cirrhosis (7).
MRI-PDFF is a ratio, expressed as a percentage, of the fraction of the MRI-visible protons attributable to fat divided by all MRI-visible protons in that region of the liver attributable to fat and water. Taking advantage of the chemical shift between fat and water, pulse sequences including fast spin echo and gradient-recalled echo (GRE) sequences can be used to acquire images at multiple echo times at which fat and water signals have different phases relative to each other. PDFF has been shown to have excellent correlation between histologically graded steatosis across the clinical range seen in NASH and high diagnostic accuracy in stratification of all grades of liver steatosis, although it is weaker in the presence of advanced fibrosis. Whilst PDFF does not correlate with other features of NASH, it has been reported that NAFLD patients with grade one steatosis are more likely to have characteristics of advanced liver disease such as fibrosis and ballooning, and changes in hepatic steatosis may be correlated with changes in other histological endpoints. Thus whilst some authors advise caution about using PDFF as a biomarker of NASH it has been well accepted by the NASH community as a biomarker for both enrolment and as an endpoint in NASH clinical trials (e.g. MOZART: NCT01766713; FLINT: NCT01265498).
Where cT1 appears to have an advantage over PDFF as a non-invasive biomarker for NASH, is in detection of patients with both disease activity (ballooning and inflammation) and fibrosis as cT1 has been reported to be correlated with ballooning, fibrosis and NAFLD activity score, and has been shown to predict clinical outcomes. As such it is emerging as a promising biomarker for both screening and as an endpoint in NASH clinical trials (NCT02421094; NCT02912260) particularly those investigating mechanisms of action of fibro-inflammation, or for distinguishing those with more advanced NASH with fibrosis. Both cT1 and PDFF can be acquired as part of the LiverMultiScan™ (LMS) imaging protocol (Perspectum Diagnostics Ltd, UK).
Based on the data reported in the literature, and from our preliminary analysis of N=109 biopsy-confirmed NAFL patients recruited from the two UK studies, both cT1 and PDFF appear to have potential to become diagnostic biomarkers, that may have utility for clinical trial population enrichment when used in conjunction with clinical risk factors. Specifically, for PDFF to identify participants who are more likely to have histopathologic findings of steatosis, and cT1 to identify participants who are more likely to have histopathologic findings of NASH, and NASH with fibrosis.
The primary objective of this study is to evaluate cT1 (Corrected T1) as a diagnostic biomarker that can be used, in conjunction with clinical risk factors, to identify patients who are more likely to have liver histopathologic findings of non-alcoholic steatohepatitis (NASH). Ideally, this biomarker should identify patients with a non-alcoholic fatty liver disease activity score (NAS) ≥ 4 and liver fibrosis (NASH/CRN Brunt/Kleiner scale) ≥ stage 2 on histopathologic assessment.
Based on our observations from earlier trials, our hypothesis is that we expect cT1 to have good diagnostic accuracy for discriminating those with NAS≥4 & F≥2 from those without
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Bryn Horsington, BSc.
- Phone Number: 01865655343
- Email: bryn.horsington@perspectum.com
Study Locations
-
-
Arizona
-
Chandler, Arizona, United States, 85224
- Recruiting
- Arizona Liver Health
-
Principal Investigator:
- Naim Alkhouri, MD
-
Contact:
- David Rios, MD
- Email: drios@azliver.com
-
-
Illinois
-
Chicago, Illinois, United States, 60612
- Recruiting
- Rush University Medical Center
-
Principal Investigator:
- Nancy Reau, MD
-
Contact:
- Lelani Fetrow, BSN
- Email: Lelani_C_Fetrow@rush.edu
-
-
Indiana
-
Indianapolis, Indiana, United States, 46202
- Recruiting
- Indiana University Health
-
Principal Investigator:
- Raj Vuppalanchi, MD
-
Contact:
- Sreemala Murthy, BSc
- Email: srmurthy@iu.edu
-
-
New York
-
New York, New York, United States, 10029
- Recruiting
- Icahn School of Medicine at Mount Sinai
-
Contact:
- Elianna Sanchez
- Email: elianna.sanchez@mssm.edu
-
Principal Investigator:
- Douglas Dieterich
-
-
Texas
-
Dallas, Texas, United States, 75234
- Active, not recruiting
- Liver Center of Texas
-
-
Virginia
-
Charlottesville, Virginia, United States, 22908
- Recruiting
- University of Virginia
-
Contact:
- Cheree Denbee
- Email: cjd4a@hscmail.mcc.virginia.edu
-
Principal Investigator:
- Zachary Henry
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Richmond, Virginia, United States, 23284
- Recruiting
- Virginia Common wealth University
-
Principal Investigator:
- Arun Sanyal
-
Contact:
- Arun Sanyal, MD
- Phone Number: 804-828-4060
- Email: arun.sanyal@vcuhealth.org
-
Contact:
- Rebecca Collen, BSC
- Phone Number: 8048280100
- Email: rebeccs.collen@vcuhealth.org
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Male and Female subjects aged between 18 and 75 years old
- Ability to understand and sign a written informed consent forms
- Patients scheduled to undergo a standard of care diagnostic liver biopsy as follows
- Percutaneous biopsy with a 16 gauged needle passed into the right lobe
- Trans-jugular biopsy with an 18 gauged needle passed into the right lobe
- Patients who are suspected of having NAFLD, who are being considered for treatment, and presenting with two or more of the following risk factors for NASH
- Elevated liver enzymes (ALT≥40)
- BMI≥25kG/m^2
- Hypertension
- Type II diabetes
- Dyslipidameia
- Low High-density lipoprotein (HDL) (<40mg/dl in men or <50mg/dl in women)
- Hypertriglyceridemia (≥150mg/dl)
- Hypercholestrolemia (≥200mg/dl)
- Triglycerides (TG)/HDL>5.0
Exclusion Criteria:
- Prior histopathological diagnosis of NASH
- Inability to undergo a liver biopsy
- Prior or planned liver transplantation
- Patient scheduled to undergo a laparoscopic or wedge liver biopsy or biopsy taken from the left lobe
- Participation in an investigational new drug (IND) trial in the 30 days before enrolment
- Other known causes of chronic liver disease based on clinical criteria at the study site such as the following:
- Alcoholic liver disease
- Primary biliary cirrhosis
- Primary sclerosing cholangitis
- Autoimmune Hepatitis
- Wilson's disease, hemochromatosis, iron overload
- Alpha/1/Antitrypsin (A1AT) deficiency
- HCV, HBV
- History or diagnosis of cirrhosis and or hepatic decompensation including ascites, hepatic encephalopathy or variceal bleeding
- Clinically relevant drug or alcohol abuse within 12 months of screening
- Any contradiction or significant limitation to MRI scanning
- Claustrophobia preventing MR imaging (requires 15-30 minutes in scanning)
- Pacemaker or another implanted device
- Metal in body (such as an aneurysm clip) that might produce artefacts on abdominal MRI or might be adversely impacted by a high magnetic field
- Inability to lie flat, remain still or briefly hold breath as necessary during MR imaging
- Medical condition likely to produce significant hypervolemia like congestive heart failure
- Severe obesity complicating positioning in MR scanner
- Weight reduction surgery within 3 years
- Concomitant medical illnesses per investigators discretion (such as HIV infection, recent major surgery, uncontrolled heart disease, concurrent infection or fever of unknown origin, illicit drug use, cancer
- Clinically significant medical or psychiatric condition considered a high risk participation in an investigational study
- Failure to give informed consent
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Study-gate
Single arm of biopsy naïve participants suspected of having NAFLD or NASH, who have been referred for a liver biopsy as part of routine clinical care
|
MRI to create cT1, T2* and PDFF images of patients liver.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Diagnostic performance of cT1
Time Frame: 12 months
|
To evaluate, in patients with suspected Nash referred for Liver biopsy, the diagnostic performance of cT1 at discriminating those patients with NAS≥4 & F≥2 from those patients without.
In order to evaluate the diagnostic performance area under the receiver operative curve (AUROC) will be analysised.
|
12 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Diagnostics performance of PDFF
Time Frame: 12 months
|
To evaluate, inpatients with suspected NASH referred for liver biopsy, the diagnostic performance of PDFF at discriminating those with NAS≥4 from those without, and those with Brunt Steatosis≥2 from those without.
The diagnostic performance will be determined using area under the receiver operative curve (AUROC) analysis.
|
12 months
|
Correlation between cT1 and hisopathological features
Time Frame: 12 months
|
To assess the correlation between cT1 and histopathological features of NASH and PDFF and histopathological features of NASH.
The correlations will be explored using Spearman's Rho
|
12 months
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Arun Sanyal, M.D., VCU School of Medicine
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- IIP137
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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