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A Study Evaluating Efruxifermin in Subjects With Non-invasively Diagnosed Nonalcoholic Steatohepatitis (NASH)/Metabolic Dysfunction-Associated Steatohepatitis (MASH) and Nonalcoholic Fatty Liver Disease (NAFLD)/Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD)

A Phase 3, Randomized, Double-Blind, Placebo-Controlled Study Evaluating the Safety and Efficacy of Efruxifermin in Subjects With Non-invasively Diagnosed Nonalcoholic Steatohepatitis (NASH)/Metabolic Dysfunction-Associated Steatohepatitis (MASH) and Nonalcoholic Fatty Liver Disease (NAFLD)/Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD)

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06161571
Enrollment
700
Registered
2023-12-08
Start date
2023-11-10
Completion date
2026-06-19
Last updated
2026-04-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

NAFLD/MASLD, NASH/MASH

Brief summary

The aim of this study is to assess the safety and tolerability of EFX compared to placebo in subjects with non-invasively diagnosed NASH/MASH and NAFLD/MASLD.

Interventions

Administered by subcutaneous (SC) injection

DRUGPlacebo

Administered by SC injection

Sponsors

Akero Therapeutics, Inc
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 80 Years
Healthy volunteers
No

Inclusion criteria

Main Study Only: * Males and non-pregnant, non-lactating females between 18 - 80 (between 19-80 in the Republic of Korea) years of age inclusive, on the day of signing informed consent * Previous history or presence of 2 out of 4 components of metabolic syndrome (obesity, dyslipidemia, elevated blood pressure, elevated fasting glucose) or type 2 diabetes * Suspected or confirmed diagnosis of NASH/MASH or NAFLD/MASLD or non-invasively diagnosed NASH/MASH or NAFLD/MASLD Open-Label Rollover * Prior participation in a previous Akero Phase 2 study

Exclusion criteria

* Other causes of liver disease based on medical history and/or liver histology and/or central laboratory results, including but not limited to: alcoholic liver disease, autoimmune disorders (e.g., primary biliary cholangitis \[PBC\], primary sclerosing cholangitis \[PSC\], autoimmune hepatitis), drug induced hepatotoxicity, Wilson disease, clinically significant iron overload, or alpha-1-antitrypsin deficiency * Type 1 or unstable Type 2 diabetes A reduced list of inclusion and

Design outcomes

Primary

MeasureTime frameDescription
Extent of exposure52 WeeksA participant's extent of exposure to study drug (weeks) will be generated from the data recorded in the study drug administration eCRF.
Number of participants with adverse events52 WeeksAn adverse event (AE) is any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease temporally associated with the use of a study drug, whether or not related to the study drug.
Number of participants with adverse events by severity52 WeeksAll AEs, both serious and non-serious, will be assessed for severity using the Common Terminology Criteria for Adverse Events v5.0.
Number of participants with clinically significant changes in clinical assessments52 WeeksClinical assessments include clinical laboratory tests, electrocardiogram, ultrasounds, vital sign assessments, and concomitant medication usage.

Secondary

MeasureTime frameDescription
Percentage of participants with reduction in enhanced liver fibrosis (ELF) score by ≥ 0.5 and reduction in liver stiffness measurement (LSM) by ≥ 30%52 Weeks
Change from baseline in non-invasive marker ELF score52 WeeksELF scale of 6.7 to 9.8 where higher scores indicative of increased fibrosis.
Change from baseline in non-invasive marker pro-peptide of type 3 procollagen (Pro-C3)52 Weeks
Change from baseline in non-invasive marker liver stiffness assessed by transient elastography (kPa, CAP)52 Weeks
Percentage of participants with a reduction in ELF score by ≥ 0.552 Weeks
Percentage of participants with a reduction in LSM by ≥ 30%52 Weeks
Change from baseline in lipoproteins52 WeeksTotal cholesterol (mg/dL), Triglycerides (TG) (mg/dL), high density lipoprotein cholesterol (HDL-C) (mg/dL), Non-HDL-C (mg/dL), and low-density lipoprotein cholesterol (LDL-C) (mg/dL).
Change from baseline in markers of glycemic control: HbA1c (%)52 Weeks
Change from baseline in markers of glycemic control: adiponectin (mg/L)52 Weeks
Change from baseline in markers of liver injury52 WeeksAlanine aminotransferase (ALT) (U/L), aspartate aminotransferase (AST) (U/L), and gamma glutamyl transferase (GGT) (U/L).
Change from baseline in markers of liver injury: uric acid (mg/dL)52 Weeks
Change from baseline in body weight (kg)52 Weeks

Countries

Argentina, Australia, Canada, India, Israel, Mexico, Puerto Rico, South Korea, Switzerland, Taiwan, Turkey (Türkiye), United Kingdom, United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: May 1, 2026