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Can vitamin e tame fatty liver? new study tests the right dose

NCT ID NCT04801849

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested different doses of vitamin E in 200 adults with nonalcoholic fatty liver disease (NAFLD) to find the best dose for improving liver health. Participants took vitamin E or a placebo for 24 weeks, and researchers measured changes in a key liver enzyme (ALT). The goal was to see if vitamin E could help control the disease, not cure it.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

200 people

The number who actually took part.

Started

Aug 2022

Finished

Jun 2025

Lead sponsor

A government research agency

The lead sponsor is the US National Institutes of Health.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * 18 years of age or older as of the initial screening interview and provision of consent * FibroScan CAP\>280 dB/m within 60 days prior to randomization. * ALT ≥ 60 U/L within 30 days of randomization Exclusion Criteria: * Concurrent or prior use (within 90 days) of vitamin E supplements in excess of 40 IU/day * Current or history of significant alcohol consumption for a period of more than 3 consecutive months within 1 year prior to screening (significant alcohol consumption is defined as more than 20 g/day (\~1.5 drinks/day) (\> 10.5 drinks per week) in females and more than 30 g/day (\~2 drinks/day) (\>14 drinks per week) in males, respectively. One "standard" drink (or one alcoholic drink equivalent) contains roughly 14 grams of pure alcohol, which is found in: 12 ounces of regular beer, 5 ounces of wine, or 1.5 ounces of distilled spirits). * Inability to reliably quantify alcohol consumption based upon local study physician judgment * Continued use of drugs historically associated with NAFLD (amiodarone, methotrexate, systemic glucocorticoids, tetracyclines, tamoxifen, estrogens at doses greater than those used for hormone replacement, anabolic steroids, valproic acid, and other known hepatotoxins) for more than 2 weeks in the 6 months prior to randomization * Current use of anticoagulation therapy (not including antiplatelet agents such as aspirin or clopidogrel) * Platelet count below 150,000 /mm3 within 90 days of randomization * History of condition(s) that cause increased risk of bleeding, including hemophilia A, hemophilia B, von Willebrand disease, or other clotting factor deficiencies. * Prior or planned (during the study period) bariatric surgery (eg, gastroplasty, roux-en-Y gastric bypass) * Uncontrolled diabetes defined as HbA1c 9.5% or higher within 60 days prior to randomization * Clinical evidence of hepatic decompensation as defined by the presence of any of the following abnormalities: * Serum albumin less than 3.2 g/dL * International Normalized Ratio (INR) greater than 1.3 * Direct bilirubin greater than 1.0 mg/dL * History of esophageal varices, ascites or hepatic encephalopathy * Evidence of other forms of chronic liver disease: * Hepatitis B as defined by presence of hepatitis B surface antigen (HBsAg) * Hepatitis C as defined by presence of hepatitis C virus (HCV) RNA * Evidence of ongoing autoimmune liver disease as defined by compatible liver histology * Primary biliary cirrhosis as defined by the presence of at least 2 of these criteria (i) Biochemical evidence of cholestasis based mainly on alkaline phosphatase elevation (ii) Presence of anti-mitochondrial antibody (AMA) (iii) Histologic evidence of nonsuppurative destructive cholangitis and destruction of interlobular bile ducts\[1\] * Primary sclerosing cholangitis * Known history of Wilson disease, alpha-1-antitrypsin liver disease, or hemochromatosis. Any other type of liver disease that is currently active other than NASH such as drug-induced liver disease, liver cancer, or bile duct obstruction. * Serum alanine aminotransferase (ALT) greater than 400 U/L within 90 days of randomization * Moderate or severe renal impairment (serum creatinine ≥ 2.0 mg/dL or eGFR \< 60 mg/mL/1.73m2) * History of biliary diversion or evidence of current biliary obstruction * Known positivity for Human Immunodeficiency Virus (HIV) infection * Active, serious medical disease with likely life expectancy less than 5 years * Active substance abuse including inhaled or injection drugs in the year prior to screening * Pregnancy, planned pregnancy, potential for pregnancy and unwillingness to use ≥ 1 effective form(s) of birth control during the trial, breast feeding * Current use of medications that may impact the absorption of fat-soluble vitamins (i.e. orlistat or cholestyramine) * Pre-existing history of fat malabsorption * Males at high risk of prostate cancer, including: * PSA \>ULN at baseline * History of prostate cancer * Age 45 or older with a first-degree relative (father or brother) diagnosed with prostate cancer at an early age (younger than age 65). * Age 40 or older with more than one first-degree relative who had prostate cancer at an early age (younger than age 65) * Participation in an IND trial in the 30 days before randomization * Any other condition which, in the opinion of the investigator, would impede compliance or hinder completion of the study, including inability to swallow treatment capsules * Failure or inability to give informed consent

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Cleveland Clinic Foundation

    Cleveland, Ohio, 44195, United States

  • Duke University Medical Center

    Durham, North Carolina, 27710, United States

  • Indiana University- Adults

    Indianapolis, Indiana, 46202, United States

  • Liver Institute Northwest

    Seattle, Washington, 98105, United States

  • St. Louis University

    St Louis, Missouri, 63110, United States

  • University of California, San Diego

    La Jolla, California, 92103, United States

  • University of California, San Francisco

    San Francisco, California, 94143, United States

  • University of Southern California

    Los Angeles, California, 90089, United States

  • Virginia Commonwealth University

    Richmond, Virginia, 23298, United States

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