Study of Oral Idebenone to Treat Non-Alcoholic Steatohepatitis
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT04669158 |
Recruitment Status :
Active, not recruiting
First Posted : December 16, 2020
Last Update Posted : October 25, 2022
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Condition or disease | Intervention/treatment | Phase |
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Non Alcoholic Steatohepatitis | Drug: Idebenone Drug: Placebo | Phase 1 Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 45 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Triple (Participant, Care Provider, Investigator) |
Primary Purpose: | Treatment |
Official Title: | A Pilot Study to Treat Adults With Non-Alcoholic Steatohepatitis With Oral Idebenone |
Actual Study Start Date : | July 30, 2021 |
Estimated Primary Completion Date : | April 2023 |
Estimated Study Completion Date : | May 2023 |

Arm | Intervention/treatment |
---|---|
Experimental: Idebenone
Participants will take Idebenone 200 mg for 48 weeks, with study visits in clinic for physical and laboratory assessments at weeks 0, 2, 4, 12, 24, 36, and 48 weeks during treatment period and at 4, and 12 weeks after the last dose.
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Drug: Idebenone
Idebenone, initially 200mg by mouth (P.O.) once a day for 2 weeks, then 200 mg twice a day for 2 weeks, then 200 mg three times per day for the remainder of the study will be used.
Other Name: Placebo |
Placebo Comparator: Placebo
Participants will take Placebo for 48 weeks, with study visits in clinic for physical and laboratory assessments at weeks 0, 2, 4, 12, 24, 36, and 48 weeks during treatment period and at 4, and 12 weeks after the last dose.
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Drug: Placebo
Placebo to match Idebenone once a day for 2 weeks, then twice a day for 2 weeks, then three times per day for the remainder of the study will be used. |
- Number of Participants with Treatment-Related Adverse Events as Assessed by CTCAE v4.0 [ Time Frame: Week 60: Assessment of AEs ]Number of Participants with Treatment-Related Adverse Events (Assessed by CTCAE v4.0, including abnormal Physical exams and abnormal laboratory tests results will be reported.
- Change in fibrosis stage [ Time Frame: Week 48: fibrosis change ]Number of Participants with change in fibrosis stage

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- 1) Male or non-pregnant/ non-lactating women ≥ 18 years of age
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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
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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

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04669158
United States, California | |
Digestive Health Center, Stanford University | |
Redwood City, California, United States, 94063 | |
Stanford University | |
Stanford, California, United States, 94305 |
Principal Investigator: | Natalie Torok, MD | Stanford University |
Responsible Party: | Natalie Torok, Professor, Stanford University |
ClinicalTrials.gov Identifier: | NCT04669158 |
Other Study ID Numbers: |
52212 R21DK111217 ( U.S. NIH Grant/Contract ) |
First Posted: | December 16, 2020 Key Record Dates |
Last Update Posted: | October 25, 2022 |
Last Verified: | October 2022 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Undecided |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Fatty Liver Non-alcoholic Fatty Liver Disease Liver Diseases Digestive System Diseases Idebenone |
Antioxidants Molecular Mechanisms of Pharmacological Action Protective Agents Physiological Effects of Drugs |