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A Study of Efimosfermin Alfa in Participants With Biopsy-confirmed Cirrhosis (Compensated) Due to MASH

A Phase 2, Randomized, Double-blinded, Placebo-controlled Study of Efimosfermin Alfa in Participants With Biopsy-confirmed Cirrhosis (Compensated) Due to Metabolic Dysfunction-associated Steatohepatitis (MASH)

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06920043
Enrollment
42
Registered
2025-04-09
Start date
2025-04-09
Completion date
2028-07-10
Last updated
2026-07-08

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

Conditions

Metabolic Dysfunction-Associated Steatohepatitis, Non-alcoholic Fatty Liver Disease

Keywords

Fibroblast growth factor, Stage 4 fibrosis, Compensated Cirrhosis

Brief summary

The purpose of this study is to evaluate the safety, tolerability, preliminary efficacy, and pharmacokinetics (PK) of efimosfermin in participants with metabolic dysfunction associated steatohepatitis (MASH) and compensated cirrhosis consistent with stage F4 fibrosis.

Interventions

Efimosfermin will be administered as a subcutaneous injection.

DRUGPlacebo

Placebo will be administered as a subcutaneous injection.

Sponsors

GlaxoSmithKline
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

* Ability to understand and sign a written informed consent form (ICF) * Age 18 through 75 years at enrollment * History or presence of 2 or more of the 5 components of metabolic syndrome * Liver biopsy confirmation of MASH consistent with stage F4 fibrosis * Other inclusion criteria may apply.

Exclusion criteria

* Individuals with chronic liver disease from other causes, or any history or evidence of decompensated liver disease * History of type 1 diabetes * Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) ≥5 × the upper limit of normal (ULN) * Other

Design outcomes

Primary

MeasureTime frameDescription
Number of participants with treatment emergent adverse events (TEAEs)From Day 1 to 100 weeksTo assess the effects of efimosfermin on safety and tolerability.

Secondary

MeasureTime frameDescription
Serum concentrations of efimosferminUp to Week 21To assess the steady-state PK of efimosfermin.
Maximum serum drug concentration (Cmax) of efimosferminUp to Week 21To assess the steady-state PK of efimosfermin.
Area under the serum concentration-time curve (AUC) of efimosferminUp to Week 21To assess the steady-state PK of efimosfermin.
Average serum drug concentration (Cavg) of efimosferminUp to Week 21To assess the steady-state PK of efimosfermin.
Concentration of study drug at the end of the dosing interval (Ctrough) of efimosferminUp to Week 21To assess the steady-state PK of efimosfermin.

Countries

United States

Contacts

CONTACTUS GSK Clinical Trials Call Center
GSKClinicalSupportHD@gsk.com877-379-3718
CONTACTEU GSK Clinical Trials Call Center
GSKClinicalSupportHD@gsk.com+44 (0) 20 89904466

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jul 9, 2026