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INCB099280

Phase 2

Advanced Solid Tumor | Small molecule | Oncology |Incyte Corporation|Last Updated: Dec 17, 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
RandomizedCONTROLLEDDMCBiomarker
Total Trials2
Total Enrollment255
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05879822A Study to Evaluate INCB099280 in Participants With Select Solid Tumors Who Are Immune Checkpoint Inhibitor NaivePHASE2 ACTIVE NOT_RECRUITING 73Oct 30, 2023Jul 22, 2026Dec 17, 202554 Brazil, China +7
NCT04242199Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of INCB099280 in Participants With Advanced Solid TumorsPHASE1 COMPLETED 182Sep 4, 2020Nov 21, 2024Jul 14, 202521 United States, Australia +3
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Study Endpoints
Primary Endpoints
Objective response rate (ORR)
Up to 2 years

Defined as the percentage of participants with a best overall response of complete response (CR) or partial response (PR), as determined by investigator radiographic disease assessment according to Response Evaluation Criteria in Solid Tumors (RECIST) v1.1.

Number of participants with Treatment-emergent Adverse Events (TEAEs)
Up to 2 years 3 months

Defined as any Adverse event either reported for the first time or worsening of a pre-existing event after first dose of study drug up to 90 days after the last dose of study drug or until the start of new anticancer therapy, whichever occurs first.

Number of participants with TEAEs leading to dose modification or discontinuation
Up to 2 years

Number of participants with TEAEs leading to dose modification or discontinuation.

Number of treatment-emergent adverse events
Up to approximately 25 months

Defined as any adverse event either reported for the first time or worsening of a pre-existing event after first dose of study drug up to 30 days after last dose of study drug.

Secondary Endpoints
Disease Control Rate (DCR)
Up to 2 years
Duration Of Response (DOR)
Up to 2 years
INCB099280 pharmacokinetic (PK) in Plasma
Pre dose and 1, 2 and 6 hours post dose on Cycle 1 Day 1 and Cycle 2 Day 1. Pre dose every other cycle until Cycle 11 Day 1 (Cycle 3 Day 1, Cycle 5 Day 1, Cycle 7 Day 1, Cycle 9 Day 1 and Cycle 11 Day 1) (each cycle is 28 days)
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Part 1: INCB099280 Dose 1EXPERIMENTALParticipants will receive INCB099280 dose 1 twice daily (BID) for up to 2 years.
Part 1: INCB099280 Dose 2EXPERIMENTALParticipants will receive INCB099280 dose 2 twice daily (BID) for up to 2 years.
Part 1: INCB099280 Dose 3EXPERIMENTALParticipants will receive INCB099280 dose 3 twice daily (BID) for up to 2 years
Part 2: INCB099280 Dose selected from Part 1EXPERIMENTALParticipants will receive INCB099280 dose selected from Part 1 twice daily (BID) for up to 2 years.
Cohort 1EXPERIMENTALParticipants with select solid tumors who are immunotherapy treatment-naive
Cohort 2EXPERIMENTALParticipants with high microsatellite instability (MSI-H) or deficient mismatch repair (dMMR) tumors who are immunotherapy treatment-naïve.
Cohort 3EXPERIMENTALParticipants with progression of any solid tumor treated with an approved anti-PD-1 monoclonal antibody therapy
Interventions
NameTypeDescription
INCB099280DRUGAdministered as specified in the treatment arm description
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites54

Inclusion Criteria: * Immunotherapy naive and without access to approved and/or available immune checkpoint inhibitor (ICI) therapy. * Measurable disease per RECIST v1.1. * One of the following disease settings: * Unresectable or metastatic Child-Pugh Class A hepatocellular carcinoma (HCC) not e...

Countries:BrazilChinaGeorgiaGreeceHungaryNew ZealandRomaniaSouth AfricaTurkey (Türkiye)United StatesAustraliaBelgiumFranceJapan
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT05879822primaryCompletionDate: changed
LOWMay 24, 2026NCT05879822studyFirstPostDate: changed