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GSK4532990

Phase 2

Nonalcoholic Fatty Liver Disease | Small molecule | Metabolic |GSK plc|Last Updated: May 22, 2026

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-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment284
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05583344Phase 2b Study of GSK4532990 in Adults With NASHPHASE2 ACTIVE NOT_RECRUITING 284Jan 2, 2023Apr 5, 2027May 22, 2026170 United States, Argentina +15
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Study Endpoints
Primary Endpoints
Percentage of Participants Achieving ≥ 1 Stage Improvement in Histological Fibrosis with no Worsening of NASH - F3 Cohort
At Week 52

Improvement in histological fibrosis is assessed with Clinical research network (CRN) Scoring. No worsening of NASH is defined as no increase in the NAFLD Activity Score (NAS) for steatosis, ballooning, or inflammation.

Percentage of Participants Achieving NASH Resolution with no Worsening of Fibrosis - F3 Cohort
At Week 52

NASH resolution is defined as a ballooning score of 0 and an inflammation score of 0-1. No worsening of fibrosis is defined as no increase in CRN fibrosis score.

Secondary Endpoints
Percentage of Participants Achieving ≥ 1 Stage Improvement in Histological Fibrosis with no Worsening of NASH - Pooled Cohort (F3 participants and F4 participants)
At Week 52
Percentage of Participants Achieving NASH Resolution with no Worsening of Fibrosis - Pooled Cohort (F3 participants and F4 participants)
At Week 52
Change from baseline in Pro-peptide of type III collagen (Pro-C3) - F3 Cohort
Baseline (Day 1) and at Week 24 and 52
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
High Dose GSK4532990EXPERIMENTAL -
Low Dose GSK4532990EXPERIMENTAL -
PlaceboPLACEBO_COMPARATOR -
Interventions
NameTypeDescription
GSK4532990DRUGGSK4532990 will be administered.
PlaceboDRUGPlacebo will be administered.
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Eligibility Criteria
Age Range18 Years — 75 Years
SexALL
Healthy VolunteersNo
Study Sites170

Inclusion Criteria: * Body Mass Index (BMI) ≥25 kilogram per meter square (kg/m\^2) (all ethnic origins) except for Asian participants who qualify for the study with BMI ≥23 kg/m2 at Screening. * In the opinion of the investigator, there are features of metabolic syndrome and NAFLD is the most like...

Countries:United StatesArgentinaAustraliaBelgiumCanadaFranceGreeceIndiaItalyJapanMexicoPanamaPuerto RicoSouth KoreaSpainTurkey (Türkiye)United Kingdom
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT05583344primaryCompletionDate: changed
LOWMay 24, 2026NCT05583344studyFirstPostDate: changed