Could a common supplement help fatty liver disease?
NCT ID NCT04669158
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-phase study tested an oral drug called idebenone in 53 adults with non-alcoholic steatohepatitis (NASH) and mild-to-moderate liver scarring. The main goal was to check safety and tolerability, while also looking for signs that the drug might reduce liver stiffness and scarring. Participants received either idebenone or a placebo for a set period, and researchers monitored side effects and changes in liver health.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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53 people
The number who actually took part.
- Started
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Jul 2021
- Finished
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Jul 2023
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * 1\) Male or non-pregnant/ non-lactating women ≥ 18 years of age * 2\) Diagnosis of NASH: NAFLD activity score (NAS) of 4 or greater with a score of 1 for each of the following (steatosis scored 0-3, lobular inflammation scored 0-3, ballooning scored 0-2): * Steatosis * Lobular inflammation * Hepatocyte ballooning 3) Fibrosis (Ishak fibrosis score ≥1 on liver biopsy) within 6 months of enrollment with MELD\<10, or based on MRE Exclusion Criteria: * Presence of any other form of liver disease, including viral hepatitis, autoimmune hepatitis, alcoholic liver disease, genetic causes of chronic liver disease): * Subjects with other etiologies of chronic liver disease, such as chronic hepatitis B and C; autoimmune hepatitis; and inherited liver disease. * ALT\>300 U/l * Total serum bilirubin ≥ to 1.3 mg/dL (Gilbert's Syndrome patients excepted) * International Normalized Ratio (INR) ≥ 1.3 * MELD\>10 * Serum creatinine \>2.0mg/dl * Known alcohol abuse or alcohol use disorder: * \>20 g/day for women * \>30 g/day for men * Active substance abuse * Any medical condition that prevents MRE, MR-PDFF * Platelet count ≤100//mm3 * Decompensated cirrhosis * Hemoglobin \<11 g/dl in females or \<12 g/dl in males * Presence/history of HCC * History of liver transplantation * History of bariatric surgery * History of inflammatory bowel disease * History of cardiovascular disease, long QT syndrome. * Subjects who have participated in investigational drug trials and took any investigational drugs within 60 days prior to the first dose of Idebenone. History of receiving other investigations drug within 30 days prior to enrollment * Any concerns regarding compliance by enrolling physician
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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
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Digestive Health Center, Stanford University
Redwood City, California, 94063, United States
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Stanford University
Stanford, California, 94305, United States
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