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IVA337

Phase 3

NASH - Nonalcoholic Steatohepatitis | Small molecule | Infectious Disease |Inventiva S.A. - American Depository Shares|Last Updated: May 20, 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 Enrollment1,000
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04849728A Phase 3 Study Evaluating Efficacy and Safety of Lanifibranor Followed by an Active Treatment Extension in Adult Patients With (NASH) and Fibrosis Stages F2 and F3 ( NATiV3 )PHASE3 ACTIVE NOT_RECRUITING 1,000Aug 19, 2021Sep 30, 2027May 20, 2026459 United States, Argentina +22
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Study Endpoints
Primary Endpoints
Resolution of NASH and improvement of fibrosis
Part A: Date of randomisation until the date of biopsy at Week 72

Part A: DBPC: Resolution of NASH and improvement of fibrosis at Week 72, defined by NASH CRN scores for ballooning of 0 and inflammation of 0 to 1, and fibrosis score ≥1 stage decrease compared to Baseline

Safety Analyses
48 weeks after completion of DBPC period

Part B: ATE: * Using the DBPC on-treatment period, comparing the 2 active arms versus placebo * Using the DBPC +ATE on treatment periods, assessing the 2 active arms. For adverse events, adjudicated liver events, and DILI and MACE events, in addition to the raw cumulative incidence proportions, the exposure-adjusted incidence rates will be provided based on the time patients are at risk.

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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Lanifibranor (IVA 337) (800 mg/day)EXPERIMENTAL2 Lanifibranor tablets 400mg + 1 Placebo to match tablet with food --\> once a day (quaque die, QD)
Lanifibranor (IVA 337) (1200 mg/day)EXPERIMENTAL3 Lanifibranor tablets 400mg with food --\> once a day (quaque die, QD)
Matching placeboPLACEBO_COMPARATOR3 Placebo to match tablets with food --\> once a day (quaque die, QD)
Interventions
NameTypeDescription
IVA337DRUGA total of 1000 patients will be randomised to receive lanifibranor (800 mg/day) or lanifibranor (1200 mg/day), or matching placebo, employing a 1:1:1 randomisation scheme, respectively, without interruption between Part A and Part B.
PlaceboDRUGA total of 1000 patients will be randomised to receive lanifibranor (800 mg/day) or lanifibranor (1200 mg/day), or matching placebo, employing a 1:1:1 randomisation scheme, respectively, without interruption between Part A and Part B.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites459

Prescreening Criteria: * Diagnosed with NASH on prior liver biopsy * Type 2 diabetes with high waist circumference or obesity or hepatic steatosis on ultrasound * At least 3 of the components of metabolic syndrome Inclusion Criteria: 1. Male or female, aged ≥18 years at the time of signing inform...

Countries:United StatesArgentinaAustraliaBelgiumBrazilBulgariaCanadaChileChinaCzechiaFranceGermanyHungaryIsraelItalyMexicoNetherlandsPolandPortugalPuerto RicoSouth AfricaSpainUkraineUnited Kingdom
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