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INBRX-109

Phase 2

Conventional Chondrosarcoma | Small molecule | Oncology |Inhibrx Biosciences, Inc.|Last Updated: Jan 9, 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 Enrollment206
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04950075Study of INBRX-109 in Conventional ChondrosarcomaPHASE2 ACTIVE NOT_RECRUITING 206Sep 23, 2021Dec 1, 2026Jan 9, 202668 United States, Australia +7
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Study Endpoints
Primary Endpoints
Progression-free survival per RECISTv1.1 by real time IRR comparing INBRX-109 and placebo
3 years

Progression-free survival per RECISTv1.1 will be determined.

Secondary Endpoints
Overall survival of patients comparing INBRX-109 and placebo
3 years
ORR per RECISTv1.1 by real-time IRR.
3 years
PFS per RECISTv1.1 by Investigator assessment
3 years
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
INBRX-109EXPERIMENTALIV every three weeks
PlaceboPLACEBO_COMPARATORIV every three weeks
Interventions
NameTypeDescription
INBRX-109DRUGTetravalent DR5 Agonist Antibody
PlaceboDRUGPlacebo
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Eligibility Criteria
Age Range18 Years — 85 Years
SexALL
Healthy VolunteersNo
Study Sites68

Inclusion Criteria: 1. Conventional chondrosarcoma, unresectable (=inoperable) or metastatic. 2. Measurable disease by RECISTv1.1. Note: Tumor lesions located in a previously irradiated (or other locally treated) area will be considered measurable, provided there has been clear imaging-based progre...

Countries:United StatesAustraliaFranceGermanyIrelandItalyNetherlandsSpainUnited Kingdom
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT04950075primaryCompletionDate: changed
LOWMay 24, 2026NCT04950075studyFirstPostDate: changed