Assessing a new treatment for advanced liver fibrosis caused by MASH

A Phase Ib, Multicenter, Open-Label, Single-Arm Study to Assess the Safety, Pharmacokinetics, and Activity of RO7790121 in Patients With Advanced MASH Liver Fibrosis

Phase 1 Interventional Hoffmann-La Roche · NCT06903065

This study is testing a new drug called RO7790121 to see if it can improve liver health in people with advanced liver fibrosis caused by MASH.

Quick facts

PhasePhase 1
Study typeInterventional
Enrollment50 (estimated)
Ages18 Years to 75 Years
SexAll
SponsorHoffmann-La Roche Industry-sponsored
Locations14 sites (Tucson, Arizona and 13 other locations)
Trial IDNCT06903065 on ClinicalTrials.gov

What this trial studies

This study evaluates the safety, pharmacokinetics, and activity of a new drug called RO7790121 in participants suffering from advanced metabolic dysfunction-associated steatohepatitis (MASH) fibrosis. Participants will be monitored for their response to the treatment, including any side effects and how the drug is processed in the body. The study aims to determine the effectiveness of RO7790121 in improving liver health in individuals with significant fibrosis. It is a Phase 1 interventional trial, focusing on a specific patient population with advanced liver conditions.

Who should consider this trial

Good fit: Ideal candidates are adults with a body mass index between 25 and 45 kg/m² and confirmed advanced MASH fibrosis.

Not a fit: Patients with significant weight fluctuations, decompensated liver disease, or other serious liver conditions may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could provide a new therapeutic option for patients with advanced liver fibrosis due to MASH.

How similar studies have performed: While this approach is novel, similar studies targeting liver fibrosis have shown promise, indicating potential for success.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Body mass index within the range of \>= 25 and \<=45 kilograms per square meter (kg/m\^2)
* MASH with fibrosis score of F3 or F4 confirmed by transient elastography measurement \>=12.0 kPa and \<=25.0 kPa
* Agreement to adhere to the contraception requirements

Exclusion Criteria:

* Weight gain or loss \>5% in the 3 months prior to baseline or \>10% in the 6 months prior to baseline
* Bariatric surgery within 1 year prior to baseline
* Current signs or prior history of decompensated liver disease
* Complications or clinical evidence of portal hypertension
* Lack of peripheral venous access
* Other causes of liver disease based on medical history and/or centralized review of liver histology
* History of liver transplantation
* Current or prior history of hepatocellular carcinoma (HCC)
* Uncontrolled hypertension
* Concomitant Type 1 diabetes, or Type 2 diabetes with HbA1c \>10%
* History of malignancy within 5 years prior to screening, with the exception of malignancies with a negligible risk of metastasis or death
* Current, significant alcohol consumption or a history of significant alcohol consumption for a period of more than 3 consecutive months any time within 1 year prior to screening
* Initiation of a medication of an antidiabetic, weight loss, lipid-modifying or anti-depressant drug class
* Active tuberculosis requiring treatment within the 12 months prior to baseline
* History of organ transplant

Where this trial is running

Tucson, Arizona and 13 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions MASH
Last reviewed 2026-06-13 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.