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RecruitingNCT07122700NIMBLEUpdated Oct 26, 2026

Evaluation of Non-Invasive Tests for Metabolic Liver Disease

An observational study in Metabolic Associated Fatty Liver Disease, Metabolic Associated Steatotic Liver Disease and Cirrhosis, Liver, sponsored by Foundation for the National Institutes of Health. Recruiting at 4 sites in United States. Open to participants aged 18 Years to 75 Years. Per ClinicalTrials.gov, last updated 2026-10-26.

Sponsored by Foundation for the National Institutes of Health · Observational

From the registry’s dates

  • Started May 2025; still recruiting 1 year 5 months later.
Updated Oct 26, 2026Primary completion movedStudy completion movedGo to Updates ↓
Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
400
Ages
18 Years to 75 Years
Sex
All
01

Study summary

The Non-Invasive Biomarkers for Metabolic Liver Disease (NIMBLE) study is a comprehensive, multi-year collaborative effort to standardize, validate and advance the regulatory qualification of blood- and imaging-based biomarkers to diagnose and stage Metabolic dysfunction-associated steatohepatitis (MASH), previously known as nonalcoholic steatohepatitis (NASH). MASH is characterized by liver inflammation accompanied by simultaneous fat accumulation in the liver.

Read the detailed description

Metabolic dysfunction-associated steatotic liver disease (MASLD), previously known as nonalcoholic fatty liver disease (NAFLD), is a common liver problem which affects 30% of the United States population. Liver biopsy-based histopathology is accepted as the most accurate technique to detect patients at risk of developing serious liver conditions secondary to non-alcoholic steatohepatitis (MASH). However, the liver biopsy is an invasive test with risk for complications and even risk of mortality. Alternative non-invasive blood-based and imaging biomarkers are needed to replace liver biopsy for diagnosis and staging of MASH with fibrosis with the ultimate goal to guide timely decisions for clinical care including pharmacologic intervention for patients with MASH.

The Non-Invasive Biomarkers for Metabolic Liver Disease (NIMBLE) project was commissioned by the FNIH to qualify non-invasive tests (NITs) for MASLD. It represents a collaborative effort involving the FNIH, Food and Drug Administration (FDA), academics and multiple industry partners to qualify biomarkers for diagnosis and staging of MASH with fibrosis. The NIMBLE project plan was designed to occur across two stages (Stage 1 and Stage 2) and with the ultimate goal to generate data on blood-based, Vibration Controlled Transient Elastography- (VCTE) based and imaging-based biomarkers to support seeking regulatory approval of one or more biomarker(s) or biomarker panel(s) for diagnosis and staging of MASH.

Data generated within NIMBLE Stage 1 were able to successfully identify a set of candidate blood-based and imaging biomarkers that met prespecified criteria for further evaluation in Stage 2. The current study aims to deliver on that goal for NIMBLE Stage 2, namely, to confirm and extend the findings from NIMBLE Stage 1 in the setting of a prospective non-interventional trial in a population at risk for MASH with fibrosis. To that end, NIMBLE Study 2.0 is primarily designed to evaluate the performance characteristics of prespecified blood-based, VCTE-based and imaging-based biomarker(s) and biomarker panel(s) when calibrated against liver biopsy-based histology as well as currently available tools for diagnosis and staging of MASH in those at risk.

02

Conditions studied

  • Metabolic Associated Fatty Liver Disease
  • Metabolic Associated Steatotic Liver Disease
  • Cirrhosis, Liver
  • NASH
  • Liver Fibrosis
  • Liver Fat
  • Liver Steatoses
  • Liver Inflammation
03

In context

Liver Cirrhosis

1,298 studies on the registry are indexed under Liver Cirrhosis; 338 are open to participants now.

This study's planned enrollment of 400 is above the median of 171 across 526 observational studies indexed under Liver Cirrhosis.

Browse Liver Cirrhosis studies →

Lead sponsor

Foundation for the National Institutes of Health is the lead sponsor of 10 studies on the registry; 2 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 75 Years
Sexes eligible
All
Sampling method
Non-probability sample

Study population

This study will enroll participants with suspected or confirmed diagnosis of MASLD.

Sex: Male and female participants Age: ≥ 18 and \< 75 years Population sample: Patients with a high probability of MASLD based on eligibility criteria (details under inclusion/exclusion criteria in Section 5.1) General health status: Patients with suspected or confirmed diagnosis of MASLD and no contraindications precluding participation in any study procedures.

Geographic location: United States, multi-site

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  1. Provision of signed and dated form
  2. Stated willingness to comply with all study procedures and availability for the duration of the study
  3. Male or female, aged > 18 years and \< 75 years
  4. Participants must exhibit some manifestations of metabolic dysregulation. Either:

A. Physician-diagnosed T2DM for at least 90 days with > 6.5 and antidiabetic therapy, if any, stable for at least 90 days prior to screening or B. At least any one of the following six metabolic syndrome criteria [6]

1. (BMI) of > 25 kg/m2 2. waist circumference: i. > 102 cm for men ii. > 88.9 cm for women 3. fasting triglyceride concentration > 150 mg/dL i. or ongoing treatment with triglyceride lowering medication 4. HDL-cholesterol concentration: i. \< 40 mg/dL for men ii. \< 50 mg/dL for women iii. or ongoing treatment with cholesterol lowering medication. 5. fasting glucose concentration > 100 mg/dL 6. either semi-recumbent or supine blood pressure systolic > 130 mmHg and/ or diastolic > 85 mmHg i. or ongoing treatment with antihypertensive medication. 5. FIB-4 > 1.3 (age \< 65 years) and > 2.0 (age > 65 years) 6. Agreement to adhere to Lifestyle Considerations (see section 5.3) throughout study duration

Exclusion criteria

Exclusion Criteria:

  1. Known history or evidence of other forms of chronic liver disease other than MASLD/MASH including but not limited to viral or C, liver disease, primary biliary cholangitis, primary sclerosing cholangitis, Wilson disease, hemochromatosis, drug-induced liver disease, conditions involving bile duct obstructions, liver cancer, past history of HCC or HCC treatment, listed for or history of liver transplantation, prior resection of liver, etc.
  2. Current or past evidence of decompensated liver disease defined by overt ascites that is clinically obvious and requires diuretic therapy, overt encephalopathy requiring therapy or history of variceal hemorrhage
  3. Circulating (ALT)> 5xULN
  4. Ongoing or recent (within the last two years prior to screening) consumption of significantly greater than moderate amounts of alcohol.

    • A standard alcoholic drink is any drink that contains about 14 g of pure alcohol, such as 12 fluid ounces of regular beer 8-10 fluid ounces of malt liquor or flavored malt beverages such as hard seltzer 5 fluid ounces of table wine 3-4 fluid ounces of fortified wine such as sherry or port 2-3 fluid ounces of cordial liqueur or aperitif 1.5 fluid ounces (a single jigger or shot) of brandy, cognac, or distilled spirits such as gin, rum, tequila, vodka, whiskey, etc.
    • Significantly greater than moderate alcohol consumption is defined as on average over a 2-year period prior to screening:

    Women

    • >1 standard drink per day and/or
    • >14 standard drinks per week Men
    • >2 standard drinks per day and/or
    • >21 standard drinks per week in men

      • An Alcohol Use Disorders Identification Test (AUDIT) score of 7 or higher
      • A PEth test score of ≥ 20ng/ml.
  5. In the opinion of the investigator, any to liver including but not limited to having significant uncorrected coagulopathy or thrombocytopenia, on chronic anticoagulation with Direct Oral Anticoagulants (DOACs), or on low dose heparin or Warfarin.
  6. Uncontrolled systolic blood pressure > 180 mmHg and diastolic blood pressure > 120 mmHg at screening. Blood pressure will be obtained after at least 10 minutes of resting in a semi-recumbent or supine position.
  7. Any systemic disease that in the opinion of the investigator precludes inclusion of the patient in the trial
  8. Unable or unwilling to provide
  9. Unwilling to undergo liver biopsy procedure
  10. Unable or unwilling to comply with requirements for study procedures (such as fasting)
  11. Unable to perform study procedures in the opinion of the investigator
  12. Participants who are unwilling or unable (e.g. due active implants such as pacemaker or having a waist diameter (calculated as: diameter = circumference / π) 70cm, unless a wide-bore MRI machine is available) to undergo MRI procedures.
  13. Pregnancy or planned pregnancy within 4 months of screening.
  14. Participation in another clinical trial within 30 days, or dosing with an agent within 90 days prior to signing the ICF for this study.
Terms in these criteria, in plain language(9)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

HbA1c

A blood test of average blood sugar over the past two to three months, given as a percentage or in mmol/mol. 6.5% (48 mmol/mol) or more is the usual threshold for diabetes, normally confirmed by a second test.

BMI (body mass index)

Weight in kilograms divided by height in metres squared. Example: 70 kg and 1.75 m gives 70 ÷ (1.75 × 1.75) ≈ 22.9.

What counts as overweight or obesity differs between countries (some use lower cut-offs), so go by the range the study states.

Hepatitis B tests

Hepatitis B is a virus that infects the liver. These are separate tests: HBsAg positive usually means a current infection (a recent vaccination can briefly cause it too); total anti-HBc (HBcAb) positive means an infection now or in the past; HBV DNA measures how much virus is in the blood.

Some studies accept a past infection if HBV DNA is undetectable, sometimes with antiviral medicine during the study. Check what this study allows.

Autoimmune disease

A condition in which the immune system attacks the body’s own tissues, such as rheumatoid arthritis, lupus, psoriasis, type 1 diabetes or inflammatory bowel disease.

Immunotherapy studies often leave out active autoimmune disease, and some name exceptions, such as thyroid disease on replacement hormone. Check the exceptions this study lists.

ALT and AST (liver enzymes)

Two enzymes measured in a routine blood test of the liver. Higher levels can mean the liver is under strain or damaged. SGPT and SGOT are older names for ALT and AST.

Criteria usually give a limit as a multiple of the upper limit of normal (ULN), often higher when cancer has spread to the liver.

Contraindication

A reason a treatment, test or procedure should not be given to a particular person, such as an allergy, another illness or a medicine they take.

Biopsy and archival tissue

A biopsy takes a small piece of tissue to examine. “Archival tissue” is a sample already taken, for example at diagnosis, and kept by the hospital.

Whether a stored sample will do depends on when it was taken, how much there is and what the study needs. Ask whether the study accepts your stored sample or needs a new biopsy.

Investigational drug or device

A drug or device being studied in a clinical trial.

It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.

05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
400 participants (estimated)
Patient registry
No
Biospecimen retention
Samples with dna
06

What researchers measure

Primary outcomes

  1. Detection of At-Risk MASH

    Evaluate the diagnostic performance of individual and combined biomarkers (e.g., NIS2+, ADAPT \[PRO-C3-based score\], MRI-AST (MAST) \[MRE + PDFF + AST\], FAST and Metabolomics-Advanced Steatohepatitis Fibrosis (MASEF) \[included in the OWLiver Test\]) for identifying at-risk MASH (MASH + MAS ≥4 + fibrosis stage ≥2).

    Time frame: within 120 days of study enrollment.

  2. Fibrosis Staging

    Assess blood-based, imaging, and composite biomarkers (e.g., Enhanced Liver Fibrosis (ELF) Test, Liver Stiffness Measure (LSM) by VCTE, MRE, Agile 3+, Agile 4) for detecting clinically significant fibrosis (≥2), advanced fibrosis (≥3), and fibrosis stage 4 (cirrhosis, histologically defined).

    Time frame: within 120 days of study enrollment.

  3. Liver Fat Content Monitoring

    Evaluate imaging-based biomarkers (e.g., MRI-PDFF, Hepatorenal Index, Controlled Attenuation Parameter (CAP)) for hepatic steatosis monitoring.

    Time frame: within 120 days of study enrollment.

  4. Diagnostic Enrichment

    Identify biomarkers that enhance participant selection for clinical trials, focusing on populations with at-risk MASH, specific fibrosis stages, or steatosis.

    Time frame: within 120 days of study enrollment.

  5. Exploratory Biomarkers

    Investigate exploratory biomarkers (e.g., AI-based histological scoring, sequential testing strategies) for novel diagnostic workflows.

    Time frame: within 120 days of study enrollment.

Secondary outcomes

  1. Comparison to Fibrosis (FIB)-4 or other fibrosis-related standards

    To compare the performance characteristics of one or more 1) blood-based biomarkers, 2) imaging-based biomarkers, 3) VCTE-based biomarkers and 4) multiparametric biomarkers to to FIB-4 or other fibrosis-related standards specific to the context of use (COU) for fibrosis in a population at risk for MASH with fibrosis.

    Time frame: within 120 days of study enrollment.

  2. Comparison to ALT or other activity-related standards.

    To compare the performance characteristics of one or more 1) blood-based biomarkers, 2) imaging-based biomarkers, 3) VCTE-based biomarkers and 4) multiparametric biomarkers to ALT or other activity-related standards specific to the context of use (COU) of at-risk MASH in a population at risk for MASH with fibrosis.

    Time frame: within 120 days of study enrollment.

  3. Comparison to Histology.

    To compare the performance characteristics of one or more 1) blood-based biomarkers, 2) imaging-based biomarkers, 3) VCTE-based biomarkers and 4) multiparametric biomarkers to histology standards to the context of use (COU) for steatosis in a population at risk for MASH with fibrosis.

    Time frame: within 120 days of study enrollment.

  4. AI-driven histology endpoints

    a. Correlation of AI-based digital pathology results with traditional histological scoring systems (MAFLD Activity Score (MAS), fibrosis stages).

    Time frame: within 120 days of study enrollment.

07

Study locations

4 of 4 sites recruiting
08

References and documents

Individual participant data

Plan to share: Yes — NIMBLE has an ancillary studies protocol which governs all requests for use of data, beyond the primary publication by project team members who have contributed services to the project. For example, this request covers clinical data that are associated with the biospecimens each company obtained and analyzed, as well as biomarker values, imaging results, and biopsy results generated by project team members.

Supporting information: Study protocol, Statistical analysis plan, Informed consent form

Time frame: Data will be made publicly available upon closeout (estimated Q4 2026). Until that point, all data are governed by the ancillary studies policy.

Access criteria: Companies only get access to data they generated and associated clinical values, unless requested via ancillary studies protocol. Project team members who funded the project get access to all IPD.

No publications or documents are linked to this record.

09

Updates

1 registry update since Sep 25, 2026
Primary completion
Jun 30, 2026→Jun 30, 2027
Oct 26, 2026
Study completion
Jul 31, 2026→Dec 31, 2027
Oct 26, 2026
Show all 1 update
  1. Oct 26, 2026
    Primary completion Jun 30, 2026→Jun 30, 2027
    Study completion Jul 31, 2026→Dec 31, 2027
    + 2 other changes: verification date and contact details

From the registry record's own update history. This site started tracking changes on Sep 25, 2026; for anything earlier, see the record history on ClinicalTrials.gov ↗

10

Registry details

Key details

Study ID
NCT07122700
Lead sponsor
Foundation for the National Institutes of Health
Responsible party
Sponsor
First posted
Aug 14, 2025
Start date
May 13, 2025
Primary completion
Jun 30, 2027 (estimated)
Completion
Dec 31, 2027 (estimated)
Last update
Oct 26, 2026

Study contacts

Geraldine Dacpano
Contact
gdacpano@ergclinical.com
908-650-1353
Clay Dehn
Contact
cdehn@ergclinical.com
908-484-4110
Arun Sanyal
principal investigator · Virginia Commonwealth University

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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