A Pivotal Clinical Study to Investigate Efimosfermin Alfa in Participants With Biopsy-confirmed F2- or F3-stage MASH

Trial statusRecruiting
Trial phasePhase 3
Trial typeInterventional
Biological sexAll
Age18-75
SponsorGlaxoSmithKline

About this trial

The purpose of this study is to assess the safety and efficacy of efimosfermin alfa in the resolution of steatohepatitis and improvement of liver-related clinical outcome compared to placebo in individuals with MASH and biopsy-confirmed F2- or F3-stage fibrosis.

Eligibility criteria

Qualifiers

Able and willing to understand and sign a written informed consent form that must be obtained prior to the initiation of study procedures

Age >=18 and <=75 years at enrollment

History or presence of 2 or more of the 5 components of metabolic syndrome per American Heart Association definition

Liver biopsy confirmation of MASH consistent with stage F2 or F3 fibrosis and a NAS score >=4 confirmed by a central pathologist

Disqualifiers

Contraindication or ineligibility for percutaneous liver biopsy

ALT or AST >=5 x upper limit of normal (ULN)

Total bilirubin >=1.3 milligram per deciliter (mg/dL). Individuals with documented Gilbert's syndrome may be enrolled if they experienced an isolated increase in total bilirubin of >=1.3 mg/dL and direct bilirubin is <=20% of total bilirubin; otherwise, the individual will be excluded.

Serum albumin <=3.5 grams per deciliter (g/dL)

Trial design

Treatments tested in this trial

  • Efimosfermin alfa
  • Efimosfermin alfa
  • Placebo

Treatment groups

1,200 Participants
are divided into 3 treatment groups

Locations

49
California
GSK Investigational Site91006, Arcadia United States
GSK Investigational Site91723, Covina United States
GSK Investigational Site90057, Los Angeles United States
GSK Investigational Site93458, Santa Maria United States

Sponsors and collaborators

GlaxoSmithKline

Lead sponsor