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Vonsetamig

Phase 1

Chronic Kidney Disease (CKD) | Small molecule | Nephrology |Regeneron Pharmaceuticals, Inc.|Last Updated: Jun 2, 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
UNCONTROLLEDBiomarker
Total Trials1
Total Enrollment43
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05092347A Study to Learn How Safe and Tolerable Vonsetamig is in Adult Patients With Chronic Kidney Disease (CKD) Who Need Kidney Transplantation and Are Highly Sensitized to Human Leukocyte Antigen (HLA)PHASE1 ACTIVE NOT_RECRUITING 43Aug 2, 2022Nov 22, 2027Jun 2, 202610 United States
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Study Endpoints
Primary Endpoints
Incidence of adverse event(s) of interest (AEI) from the first dose through end of the safety observation period
Up to approximately 6 weeks
Incidence and severity of treatment-emergent adverse events (TEAE)s from the first study drug dose up to the end of the study
Up to 78 weeks

TEAEs include adverse events of special interest (AESI) and serious adverse events (SAEs)

Secondary Endpoints
Proportion of Participants with a clinically meaningful reduction in anti-HLA alloantibodies
Up to 78 weeks
Maximum reduction in the peak (immunodominant) MFI of anti-HLA alloantibodies from baseline
Up to 78 weeks
Percent change from baseline in the peak (immunodominant) MFI
Up to 78 weeks
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
VonsetamigEXPERIMENTAL -
Interventions
NameTypeDescription
VonsetamigDRUGAdministered by intravenous (IV) infusion
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Eligibility Criteria
Age Range18 Years — 70 Years
SexALL
Healthy VolunteersNo
Study Sites10

Key Inclusion Criteria: 1. Has Chronic Kidney Disease (CKD) requiring hemodialysis, and awaiting kidney transplant on the United Network for Organ Sharing (UNOS), with a cPRA ≥99.9%, or those with a cPRA \>98% (98.1% to 99.8%) who have spent 5 years or longer on the waitlist, as defined in the prot...

Countries:United States
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Recent Changes (Last 90 Days)
HIGHJun 2, 2026NCT05092347Status: RECRUITING → ACTIVE_NOT_RECRUITING
HIGHJun 2, 2026NCT05092347Status: RECRUITING → ACTIVE_NOT_RECRUITING
HIGHJun 2, 2026NCT05092347Status: RECRUITING → ACTIVE_NOT_RECRUITING
MEDIUMMay 26, 2026NCT05092347primaryCompletionDate: changed
LOWMay 24, 2026NCT05092347studyFirstPostDate: changed