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Semaglutide

Phase 2

Nonalcoholic Steatohepatitis | Small molecule | Infectious Disease |Gilead Sciences, Inc.|Last Updated: Nov 26, 2025

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindCONTROLLEDDMCBiomarker
Total Trials2
Total Enrollment566
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04971785Study of Semaglutide, and Cilofexor/Firsocostat, Alone and in Combination, in Adults With Cirrhosis Due to Nonalcoholic Steatohepatitis (NASH)PHASE2 COMPLETED 457Aug 9, 2021Dec 9, 2024Nov 26, 2025242 United States, Australia +5
NCT03987074Safety, Tolerability, and Efficacy of Monotherapy and Combination Regimens in Participants With Nonalcoholic Steatohepatitis (NASH)PHASE2 COMPLETED 109Jul 29, 2019Jul 13, 2020Jul 15, 202118 United States
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Study Endpoints
Primary Endpoints
Percentage of Participants Who Achieved ≥ 1-Stage Improvement in Fibrosis Without Worsening of Nonalcoholic Steatohepatitis (NASH) at Week 72 in Semaglutide (SEMA) + Cilofexor/Firsocostat (CILO/FIR) Fixed Dose Combination (FDC) Versus Placebo Groups
Week 72

Fibrosis improvement was defined as ≥ 1-stage decrease from baseline in fibrosis according to the NASH clinical research network (CRN) classification. Worsening of NASH was defined as ≥ 1-point increase from baseline in hepatocellular ballooning or lobular inflammation. Clopper-Pearson method was used in outcome measure analysis in each arm. Percentages were rounded-off.

Percentage of Participants Experiencing Treatment-Emergent Adverse Events (TEAEs)
First dose date up to Week 24 plus 30 days

Treatment-emergent adverse events (TEAEs) were defined as, any AEs with an onset date on or after the study drug start date and no later than 30 days after permanent discontinuation of study drug or any AEs leading to premature discontinuation of study drug. Participants were assessed for AEs according to Common Terminology Criteria for Adverse Events (CTCAE) version 5.0.

Percentage of Participants Experiencing Treatment-Emergent Laboratory Abnormalities
First dose date up to 24 weeks plus 30 days

Treatment-emergent laboratory abnormalities, defined as values that increase at least one toxicity grade from baseline at any time post-baseline up to and including the date of last dose of study drug plus 30 days, were summarized by treatment group. Graded laboratory abnormalities were defined using the grading scheme in the CTCAE 5.0.

Secondary Endpoints
Percentage of Participants Who Achieved ≥1-Stage Improvement in Fibrosis Without Worsening of NASH at Week 72 in SEMA + CILO/FIR FDC Versus SEMA Alone
Week 72
Percentage of Participants With NASH Resolution Without Worsening in Fibrosis at Week 72 in SEMA + CILO/FIR FDC Versus Placebo Groups
Week 72
Percentage of Participants With NASH Resolution Without Worsening in Fibrosis In Participants Treated With SEMA + CILO/FIR FDC Versus CILO/FIR Alone Groups
Week 72
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
SEMA + CILO/FIR FDCEXPERIMENTALParticipants will receive semaglutide (SEMA) 3.0 mg/mL, once weekly and cilofexor and firsocostat (CILO/FIR) 30 mg/20 mg fixed-dose combination (FDC) tablet, once daily up to 72 weeks.
SEMA + PTM CILO/FIREXPERIMENTALParticipants will receive SEMA 3.0 mg/mL, once weekly and Placebo-To-Match (PTM) CILO/FIR FDC tablet, once daily up to 72 weeks.
PTM SEMA + CILO/FIR FDCEXPERIMENTALParticipants will receive PTM SEMA, once weekly and CILO/FIR 30 mg/20 mg FDC tablet, once daily up to 72 weeks.
PTM SEMA + PTM CILO/FIRPLACEBO_COMPARATORParticipants will receive PTM SEMA, once weekly and PTM CILO/FIR FDC tablet, once daily up to 72 weeks.
SemaglutideEXPERIMENTALSemaglutide 0.24 mg - 2.4 mg (dose escalated over 16 weeks) for 24 weeks
Semaglutide + Firsocostat 20 mgEXPERIMENTALSemaglutide 0.24 mg - 2.4 mg (dose escalated over 16 weeks) + firsocostat 20 mg for 24 weeks
Semaglutide + Cilofexor 30 mgEXPERIMENTALSemaglutide 0.24 mg - 2.4 mg (dose escalated over 16 weeks) + cilofexor 30 mg for 24 weeks
Semaglutide + Cilofexor 100 mgEXPERIMENTALSemaglutide 0.24 mg - 2.4 mg (dose escalated over 16 weeks) + cilofexor 100 mg for 24 weeks
Semaglutide + Firsocostat 20 mg + Cilofexor 30 mgEXPERIMENTALSemaglutide 0.24 mg - 2.4 mg (dose escalated over 16 weeks) + firsocostat 20 mg + cilofexor 30 mg for 24 weeks
Interventions
NameTypeDescription
Semaglutide (SEMA)DRUGAdministered as subcutaneous (SC) injection
Cilofexor (CILO)/Firsocostat (FIR)DRUGTablets administered orally
PTM SEMADRUGAdministered as SC injection
PTM CILO/FIRDRUGTablets administered orally
SemaglutideDRUGSolution administered subcutaneously with pre-filled PDS290 pen-injector once weekly
FirsocostatDRUGTablets administered orally once daily
CilofexorDRUGTablets administered orally once daily
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Eligibility Criteria
Age Range18 Years — 80 Years
SexALL
Healthy VolunteersNo
Study Sites242

Key Inclusion Criteria: * Liver biopsy consistent with cirrhosis (F4) due to nonalcoholic steatohepatitis (NASH) in the opinion of the central reader. In individuals who have never had a liver biopsy, a screening liver biopsy may be performed. * Screening laboratory parameters as determined by the ...

Countries:United StatesAustraliaCanadaFranceJapanPuerto RicoSpain
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