Clinical trial Recruiting at 335 sites Phase 3 Interventional Ages 18 to 80

Evaluating Pegozafermin for Liver Fibrosis in MASH Patients

Official title: A Phase 3 Study to Evaluate the Efficacy and Safety of Pegozafermin in Subjects With Metabolic Dysfunction-Associated Steatohepatitis (MASH) and Fibrosis

Run by Hoffmann-La Roche · NCT06318169 · Data updated 2026-11-12

This study is testing if a new medication called pegozafermin can help adults with liver fibrosis caused by metabolic dysfunction-associated steatotic liver disease feel better.

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years to 80 Years
SexAll
Enrollment1350 (estimated)
SponsorHoffmann-La Roche
Industry-sponsored
Locations370 sites (Birmingham, Alabama and 369 other locations)
StatusRecruiting
StartedMarch 13, 2024
Main results expectedFebruary 2029
Study endsFebruary 2029
Registry record updatedOctober 23, 2026
Trial IDNCT06318169 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are males or non-pregnant females aged 18 to 80 with biopsy-confirmed MASH and fibrosis stages 2 or 3.

Probably not a fit

Patients with chronic liver diseases other than MASH/NASH or evidence of cirrhosis will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study evaluates the efficacy and safety of two different doses of pegozafermin in adults diagnosed with metabolic dysfunction-associated steatotic liver disease (MASH) and fibrosis stages 2 or 3. Participants will be assessed for their liver condition through biopsy confirmation and will receive either the medication or a placebo. The goal is to determine how well pegozafermin can improve liver fibrosis in this patient population.

Why it matters

Potential benefit: If successful, this treatment could significantly improve liver health and outcomes for patients suffering from MASH with fibrosis.

How similar studies have gone: Other studies have shown promise in treating liver fibrosis with similar approaches, but the specific use of pegozafermin is novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Key Inclusion Criteria:

* Males or non-pregnant females aged between 18 and 80 years (inclusive) at time of signing the informed consent form (ICF)
* Biopsy-confirmed MASH with fibrosis stage F2 or F3
* Body mass index (BMI) at screening ≥25.0 kilograms (kg)/meters squared (m\^2) (≥23 kg/m\^2 for Asian participants).

Key Exclusion Criteria:

* Chronic liver diseases other than MASH
* Evidence of cirrhosis on screening liver biopsy
* Have type 1 diabetes or poorly controlled type 2 diabetes
* Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) ≥250 units per liter (U/L)
* Participants taking vitamin E (\>400 international units \[IU\]/day) or pioglitazone must be on stable dose for at least 6 months prior to Screening

Other inclusion and exclusion criteria may apply.

Where it's running

  • 89bio Clinical Study Site
    Birmingham, Alabama, United States
    Recruiting
  • 89bio Clinical Study Site
    Chandler, Arizona, United States
    Recruiting
  • 89bio Clinical Study Site
    Glendale, Arizona, United States
    Recruiting
  • 89bio Clinical Study Site
    Sun City, Arizona, United States
    Recruiting
  • 89bio Clinical Study Site
    Tucson, Arizona, United States
    Recruiting
  • 89bio Clinical Study Site
    Tucson, Arizona, United States
    Recruiting
Show 44 more locations
  • 89bio Clinical Study Site
    Little Rock, Arkansas, United States
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    Canoga Park, California, United States
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  • 89bio Clinical Study Site
    Coronado, California, United States
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  • 89bio Clinical Study Site
    Escondido, California, United States
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    Lancaster, California, United States
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  • 89bio Clinical Study Site
    Long Beach, California, United States
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  • 89bio Clinical Study Site
    Montclair, California, United States
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  • 89bio Clinical Study Site
    Orange, California, United States
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  • 89bio Clinical Study Site
    Pasadena, California, United States
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  • 89bio Clinical Study Site
    Poway, California, United States
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  • 89bio Clinical Study Site
    Rialto, California, United States
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  • 89bio Clinical Study Site
    Stanford, California, United States
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  • 89bio Clinical Study Site
    Victorville, California, United States
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  • 89bio Clinical Study Site
    Littleton, Colorado, United States
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  • 89bio Clinical Study Site
    Brandon, Florida, United States
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  • 89bio Clinical Study Site
    Clermont, Florida, United States
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  • 89bio Clinical Study Site
    Fort Myers, Florida, United States
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  • 89bio Clinical Study Site
    Hialeah Gardens, Florida, United States
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  • 89bio Clinical Study Site
    Homestead, Florida, United States
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  • 89bio Clinical Study Site
    Lady Lake, Florida, United States
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  • 89bio Clinical Study Site
    Lakewood Rch, Florida, United States
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  • 89bio Clinical Study Site
    Lehigh Acres, Florida, United States
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  • 89bio Clinical Study Site
    Maitland, Florida, United States
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  • 89bio Clinical Study Site
    Miami, Florida, United States
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  • 89bio Clinical Study Site
    New Port Richey, Florida, United States
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  • 89bio Clinical Study Site
    Ocala, Florida, United States
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  • 89bio Clinical Study Site
    Ocoee, Florida, United States
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  • 89bio Clinical Study Site
    Sarasota, Florida, United States
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  • 89bio Clinical Study Site
    Winter Park, Florida, United States
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  • 89bio Clinical Study Site
    Athens, Georgia, United States
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  • 89bio Clinical Study Site
    Dalton, Georgia, United States
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  • 89bio Clinical Study Site
    Marietta, Georgia, United States
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  • 89bio Clinical Study Site
    Chicago, Illinois, United States
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  • 89bio Clinical Study Site
    Hammond, Indiana, United States
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  • 89bio Clinical Study Site
    New Albany, Indiana, United States
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  • 89bio Clinical Study Site
    South Bend, Indiana, United States
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  • 89bio Clinical Study Site
    Iowa City, Iowa, United States
    Recruiting

+320 more sites. See ClinicalTrials.gov for the full list.

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
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Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.